Attachment 559062 Details for Bug 841293

Kernel log

kernel.log (text/plain), 106.15 KB, created by Don Hughes on 2013-09-19 13:15:19 UTC

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Creator: Don Hughes

Created: 2013-09-19 13:15:19 UTC

Size: 106.15 KB

patch

obsolete

>Sep 18 22:01:31 Owl2 kernel: [216733.905335] usb 3-2.4: Manufacturer: Logitech
>Sep 19 01:01:21 Owl2 kernel: [227524.179700] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:01:21 Owl2 kernel: [227524.179708] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:01:21 Owl2 kernel: [227524.179762] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:21 Owl2 kernel: [227524.179765] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:21 Owl2 kernel: [227524.179771] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:01:21 Owl2 kernel: [227524.179775] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:01:21 Owl2 kernel: [227524.179777] RIP: 0010:[<ffffffff81597f6a>]  [<ffffffff81597f6a>] _raw_spin_lock+0x1a/0x30
>Sep 19 01:01:21 Owl2 kernel: [227524.179783] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:01:21 Owl2 kernel: [227524.179785] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:01:21 Owl2 kernel: [227524.179787] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:01:21 Owl2 kernel: [227524.179789] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:01:21 Owl2 kernel: [227524.179791] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:01:21 Owl2 kernel: [227524.179793] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:01:21 Owl2 kernel: [227524.179795] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:21 Owl2 kernel: [227524.179797] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:21 Owl2 kernel: [227524.179798] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:21 Owl2 kernel: [227524.179800] Stack:
>Sep 19 01:01:21 Owl2 kernel: [227524.179802]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:01:21 Owl2 kernel: [227524.179808]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:01:21 Owl2 kernel: [227524.179812]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:01:21 Owl2 kernel: [227524.179815] Call Trace:
>Sep 19 01:01:21 Owl2 kernel: [227524.179844]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.179883]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.179923]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.179989]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.180054]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.180137]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.180219]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.180287]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:01:21 Owl2 kernel: [227524.180293]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:01:21 Owl2 kernel: [227524.180299]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:01:21 Owl2 kernel: [227524.180305]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:01:21 Owl2 kernel: [227524.180310]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:01:21 Owl2 kernel: [227524.180315]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:01:21 Owl2 kernel: [227524.180320]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:01:21 Owl2 kernel: [227524.180326]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:21 Owl2 kernel: [227524.180331]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:21 Owl2 kernel: [227524.180336] Code: 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 f3 90 <0f> b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00
>Sep 19 01:01:21 Owl2 kernel: [227524.207703] BUG: soft lockup - CPU#3 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:01:21 Owl2 kernel: [227524.207708] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:01:21 Owl2 kernel: [227524.207762] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:21 Owl2 kernel: [227524.207764] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:21 Owl2 kernel: [227524.207767] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:01:21 Owl2 kernel: [227524.207769] RIP: 0010:[<ffffffffa00f3f9d>]  [<ffffffffa00f3f9d>] comp_entry+0xd/0x1b0 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.207800] RSP: 0018:ffff880224b13bd8  EFLAGS: 00000296
>Sep 19 01:01:21 Owl2 kernel: [227524.207802] RAX: ffff8800b53131f0 RBX: ffffffff8116dce7 RCX: 00000000000000b8
>Sep 19 01:01:21 Owl2 kernel: [227524.207804] RDX: 0000000000000000 RSI: ffff8800b5313130 RDI: ffff8805c88b56d0
>Sep 19 01:01:21 Owl2 kernel: [227524.207805] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88029d26e851
>Sep 19 01:01:21 Owl2 kernel: [227524.207807] R10: 000000000000000c R11: ffff88007700faf0 R12: ffff880224739f40
>Sep 19 01:01:21 Owl2 kernel: [227524.207809] R13: 000001b94a813000 R14: 0000000000000010 R15: 0000000000001000
>Sep 19 01:01:21 Owl2 kernel: [227524.207811] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:21 Owl2 kernel: [227524.207813] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:21 Owl2 kernel: [227524.207815] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:21 Owl2 kernel: [227524.207816] Stack:
>Sep 19 01:01:21 Owl2 kernel: [227524.207818]  ffff8805c88b56d0 0000000000000000 ffff880172efcf78 ffffffffa00f4bd4
>Sep 19 01:01:21 Owl2 kernel: [227524.207824]  0000000101b94a81 ffff8805c88b56d0 ffff880172e538b0 ffff880218e6bef8
>Sep 19 01:01:21 Owl2 kernel: [227524.207827]  ffff880224b13c38 ffff880206594168 ffff880218e6bef8 ffff880172e538b0
>Sep 19 01:01:21 Owl2 kernel: [227524.207831] Call Trace:
>Sep 19 01:01:21 Owl2 kernel: [227524.207952]  [<ffffffffa00f4bd4>] btrfs_merge_delayed_refs+0xe4/0x3d0 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.208055]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.208094]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.208137]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.208192]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:01:21 Owl2 kernel: [227524.208233]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:21 Owl2 kernel: [227524.208241]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:21 Owl2 kernel: [227524.208246] Code: ff ff ff e8 0a 6b 02 00 66 0f 1f 44 00 00 e9 01 ff ff ff 0f 0b 66 0f 1f 84 00 00 00 00 00 48 83 ec 18 48 89 1c 24 48 89 6c 24 08 <48> 89 f3 4c 89 64 24 10 48 8b 47 18 48 89 fd 48 39 46 18 0f 82
>Sep 19 01:01:49 Owl2 kernel: [227552.180184] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:01:49 Owl2 kernel: [227552.180187] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:01:49 Owl2 kernel: [227552.180226] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:49 Owl2 kernel: [227552.180228] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:49 Owl2 kernel: [227552.180233] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:01:49 Owl2 kernel: [227552.180236] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:01:49 Owl2 kernel: [227552.180237] RIP: 0010:[<ffffffff81597f68>]  [<ffffffff81597f68>] _raw_spin_lock+0x18/0x30
>Sep 19 01:01:49 Owl2 kernel: [227552.180242] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:01:49 Owl2 kernel: [227552.180244] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:01:49 Owl2 kernel: [227552.180246] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:01:49 Owl2 kernel: [227552.180247] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:01:49 Owl2 kernel: [227552.180249] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:01:49 Owl2 kernel: [227552.180251] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:01:49 Owl2 kernel: [227552.180253] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:49 Owl2 kernel: [227552.180255] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:49 Owl2 kernel: [227552.180256] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:49 Owl2 kernel: [227552.180258] Stack:
>Sep 19 01:01:49 Owl2 kernel: [227552.180259]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:01:49 Owl2 kernel: [227552.180265]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:01:49 Owl2 kernel: [227552.180268]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:01:49 Owl2 kernel: [227552.180272] Call Trace:
>Sep 19 01:01:49 Owl2 kernel: [227552.180293]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180330]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180368]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180432]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180497]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180578]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180660]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.180727]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:01:49 Owl2 kernel: [227552.180733]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:01:49 Owl2 kernel: [227552.180738]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:01:49 Owl2 kernel: [227552.180743]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:01:49 Owl2 kernel: [227552.180749]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:01:49 Owl2 kernel: [227552.180754]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:01:49 Owl2 kernel: [227552.180758]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:01:49 Owl2 kernel: [227552.180763]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:49 Owl2 kernel: [227552.180768]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:49 Owl2 kernel: [227552.180772] Code: ff ff 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 <f3> 90 0f b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00
>Sep 19 01:01:49 Owl2 kernel: [227552.208188] BUG: soft lockup - CPU#3 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:01:49 Owl2 kernel: [227552.208192] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:01:49 Owl2 kernel: [227552.208232] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:49 Owl2 kernel: [227552.208234] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:49 Owl2 kernel: [227552.208237] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:01:49 Owl2 kernel: [227552.208238] RIP: 0010:[<ffffffffa00f402e>]  [<ffffffffa00f402e>] comp_entry+0x9e/0x1b0 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208262] RSP: 0018:ffff880224b13bd8  EFLAGS: 00000206
>Sep 19 01:01:49 Owl2 kernel: [227552.208264] RAX: 0000000000000002 RBX: ffff88022473e700 RCX: 00000000000000b8
>Sep 19 01:01:49 Owl2 kernel: [227552.208266] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88049cf69f10
>Sep 19 01:01:49 Owl2 kernel: [227552.208267] RBP: ffff88049cf69f10 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:49 Owl2 kernel: [227552.208269] R10: ffff880120c89850 R11: ffff880120c912b0 R12: ffff880224739f40
>Sep 19 01:01:49 Owl2 kernel: [227552.208271] R13: 000001b94a813000 R14: 0000000000000010 R15: 0000000000001000
>Sep 19 01:01:49 Owl2 kernel: [227552.208273] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:49 Owl2 kernel: [227552.208275] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:49 Owl2 kernel: [227552.208276] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:49 Owl2 kernel: [227552.208278] Stack:
>Sep 19 01:01:49 Owl2 kernel: [227552.208279]  ffff88049cf69f10 0000000000000000 ffff880172efcf78 ffffffffa00f4bd4
>Sep 19 01:01:49 Owl2 kernel: [227552.208284]  0000000101b94a81 ffff88049cf69f10 ffff880172e538b0 ffff880218e6bef8
>Sep 19 01:01:49 Owl2 kernel: [227552.208288]  ffff880224b13c38 ffff880206594168 ffff880218e6bef8 ffff880172e538b0
>Sep 19 01:01:49 Owl2 kernel: [227552.208291] Call Trace:
>Sep 19 01:01:49 Owl2 kernel: [227552.208405]  [<ffffffffa00f4bd4>] btrfs_merge_delayed_refs+0xe4/0x3d0 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208507]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208546]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208588]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208643]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:01:49 Owl2 kernel: [227552.208684]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:49 Owl2 kernel: [227552.208691]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:49 Owl2 kernel: [227552.208695] Code: c4 80 f9 b6 74 37 45 84 e4 75 32 80 f9 b8 0f 85 b6 00 00 00 a8 01 0f 85 cf 00 00 00 83 e6 01 0f 85 b0 00 00 00 80 7b 39 b2 74 72 <48> 8b 45 48 48 39 43 48 72 58 77 2e 31 c0 eb 2f 66 90 a8 01 0f
>Sep 19 01:01:54 Owl2 kernel: [227556.572263] INFO: rcu_sched self-detected stall on CPU { 3}  (t=15000 jiffies g=568151 c=568150 q=0)
>Sep 19 01:01:54 Owl2 kernel: [227556.572272] sending NMI to all CPUs:
>Sep 19 01:01:54 Owl2 kernel: [227556.572276] NMI backtrace for cpu 3
>Sep 19 01:01:54 Owl2 kernel: [227556.572281] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.572283] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.572285] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:01:54 Owl2 kernel: [227556.572286] RIP: 0010:[<ffffffff81031b21>]  [<ffffffff81031b21>] default_send_IPI_mask_sequence_phys+0x91/0xf0
>Sep 19 01:01:54 Owl2 kernel: [227556.572292] RSP: 0018:ffff88022fcc3dd8  EFLAGS: 00000096
>Sep 19 01:01:54 Owl2 kernel: [227556.572294] RAX: 0000000000000014 RBX: 000000000000b0ca RCX: 0000000000000004
>Sep 19 01:01:54 Owl2 kernel: [227556.572295] RDX: 0000000000000004 RSI: 0000000000000200 RDI: 0000000000000300
>Sep 19 01:01:54 Owl2 kernel: [227556.572297] RBP: ffffffff81cae100 R08: ffffffff81cae100 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.572299] R10: 0000000000000000 R11: 000000000000077f R12: 0000000000000400
>Sep 19 01:01:54 Owl2 kernel: [227556.572300] R13: 0000000000000096 R14: 0000000000000002 R15: 0000000000000014
>Sep 19 01:01:54 Owl2 kernel: [227556.572302] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.572304] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.572306] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.572307] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.572309]  ffff88022fcc3e28 0000000000000004 ffff88022fcc3e38 0000000000002710
>Sep 19 01:01:54 Owl2 kernel: [227556.572314]  ffffffff81c40980 ffffffff81c40880 ffff880224b12000 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.572317]  ffff88022fcce360 ffffffff81031cdf ffffffff81cae140 ffffffff810ef3e0
>Sep 19 01:01:54 Owl2 kernel: [227556.572320] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.572327]  [<ffffffff81031cdf>] arch_trigger_all_cpu_backtrace+0x4f/0x90
>Sep 19 01:01:54 Owl2 kernel: [227556.572333]  [<ffffffff810ef3e0>] rcu_check_callbacks+0x310/0x5f0
>Sep 19 01:01:54 Owl2 kernel: [227556.572341]  [<ffffffff8105ffbf>] update_process_times+0x3f/0x80
>Sep 19 01:01:54 Owl2 kernel: [227556.572347]  [<ffffffff810ac937>] tick_sched_handle.isra.10+0x27/0x70
>Sep 19 01:01:54 Owl2 kernel: [227556.572352]  [<ffffffff810acaa5>] tick_sched_timer+0x45/0x70
>Sep 19 01:01:54 Owl2 kernel: [227556.572356]  [<ffffffff81076da6>] __run_hrtimer+0x66/0x1b0
>Sep 19 01:01:54 Owl2 kernel: [227556.572361]  [<ffffffff81077589>] hrtimer_interrupt+0xf9/0x230
>Sep 19 01:01:54 Owl2 kernel: [227556.572367]  [<ffffffff81030116>] smp_apic_timer_interrupt+0x36/0x50
>Sep 19 01:01:54 Owl2 kernel: [227556.572372]  [<ffffffff815a0f5d>] apic_timer_interrupt+0x6d/0x80
>Sep 19 01:01:54 Owl2 kernel: [227556.572396]  [<ffffffffa00f3fc0>] comp_entry+0x30/0x1b0 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572504]  [<ffffffffa00f4bd4>] btrfs_merge_delayed_refs+0xe4/0x3d0 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572607]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572645]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572687]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572742]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572781]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:54 Owl2 kernel: [227556.572786]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.572789] Code: bd ca 81 41 83 fe 02 44 0f b7 3c 03 74 54 8b 04 25 00 23 5f ff f6 c4 10 74 0e f3 90 8b 0c 25 00 23 5f ff 80 e5 10 75 f2 44 89 f8 <c1> e0 18 89 04 25 10 23 5f ff 41 83 fe 02 44 89 e0 41 0f 45 c6
>Sep 19 01:01:54 Owl2 kernel: [227556.572815] NMI backtrace for cpu 1
>Sep 19 01:01:54 Owl2 kernel: [227556.572818] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.572820] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.572824] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:01:54 Owl2 kernel: [227556.572826] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:01:54 Owl2 kernel: [227556.572828] RIP: 0010:[<ffffffff81597f6a>]  [<ffffffff81597f6a>] _raw_spin_lock+0x1a/0x30
>Sep 19 01:01:54 Owl2 kernel: [227556.572832] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:01:54 Owl2 kernel: [227556.572834] RAX: 0000000000007af8 RBX: ffff880172efcea8 RCX: 00000000000052ee
>Sep 19 01:01:54 Owl2 kernel: [227556.572835] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:01:54 Owl2 kernel: [227556.572837] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:01:54 Owl2 kernel: [227556.572839] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff880172e53270
>Sep 19 01:01:54 Owl2 kernel: [227556.572840] R13: ffff880218fbff40 R14: ffff88062537e9d7 R15: ffff88062537e800
>Sep 19 01:01:54 Owl2 kernel: [227556.572842] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.572844] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.572846] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.572847] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.572848]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:01:54 Owl2 kernel: [227556.572853]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:01:54 Owl2 kernel: [227556.572857]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:01:54 Owl2 kernel: [227556.572860] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.572878]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572912]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.572950]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.573014]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.573078]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.573159]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.573240]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:01:54 Owl2 kernel: [227556.573308]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:01:54 Owl2 kernel: [227556.573313]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:01:54 Owl2 kernel: [227556.573318]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:01:54 Owl2 kernel: [227556.573324]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.573329]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:01:54 Owl2 kernel: [227556.573334]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:01:54 Owl2 kernel: [227556.573338]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:01:54 Owl2 kernel: [227556.573343]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:01:54 Owl2 kernel: [227556.573348]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.573351] Code: 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 f3 90 <0f> b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00
>Sep 19 01:01:54 Owl2 kernel: [227556.573378] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.101 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.573382] NMI backtrace for cpu 0
>Sep 19 01:01:54 Owl2 kernel: [227556.573391] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.573395] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.573400] task: ffffffff81c12440 ti: ffffffff81c00000 task.ti: ffffffff81c00000
>Sep 19 01:01:54 Owl2 kernel: [227556.573416] RIP: 0010:[<ffffffff812deda3>]  [<ffffffff812deda3>] rb_insert_color+0x3/0x180
>Sep 19 01:01:54 Owl2 kernel: [227556.573427] RSP: 0018:ffff88022fc03eb0  EFLAGS: 00000046
>Sep 19 01:01:54 Owl2 kernel: [227556.573433] RAX: ffffffff81e70a38 RBX: ffffffff81e70a48 RCX: 0000cef54fbb8a00
>Sep 19 01:01:54 Owl2 kernel: [227556.573437] RDX: ffffffff81e70a38 RSI: ffff88022fc0d7d0 RDI: ffff88022fc0df60
>Sep 19 01:01:54 Owl2 kernel: [227556.573442] RBP: ffff88022fc0df60 R08: 0000cef531370a00 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573446] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88022fc0d7d0
>Sep 19 01:01:54 Owl2 kernel: [227556.573451] R13: ffff88022fc0d7c0 R14: 0000000000000001 R15: ffffffff810aca60
>Sep 19 01:01:54 Owl2 kernel: [227556.573456] FS:  00007f0b744f2700(0000) GS:ffff88022fc00000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573461] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.573465] CR2: 00007fe4dee99a50 CR3: 00000003e8b4e000 CR4: 00000000000007f0
>Sep 19 01:01:54 Owl2 kernel: [227556.573469] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.573472]  ffffffff812dff11 ffff88022fc0df60 ffff88022fc0df60 ffff88022fc0d7c0
>Sep 19 01:01:54 Owl2 kernel: [227556.573485]  ffffffff8107687c ffff88022fc0df60 ffff88022fc0d780 ffff88022fc0d780
>Sep 19 01:01:54 Owl2 kernel: [227556.573494]  ffffffff81076dd1 00000000003bf7ee ffff88022fc0d7c0 ffff88022fc0d780
>Sep 19 01:01:54 Owl2 kernel: [227556.573503] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.573524]  [<ffffffff812dff11>] timerqueue_add+0x61/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.573538]  [<ffffffff8107687c>] enqueue_hrtimer+0x1c/0x80
>Sep 19 01:01:54 Owl2 kernel: [227556.573551]  [<ffffffff81076dd1>] __run_hrtimer+0x91/0x1b0
>Sep 19 01:01:54 Owl2 kernel: [227556.573562]  [<ffffffff81077589>] hrtimer_interrupt+0xf9/0x230
>Sep 19 01:01:54 Owl2 kernel: [227556.573576]  [<ffffffff81030116>] smp_apic_timer_interrupt+0x36/0x50
>Sep 19 01:01:54 Owl2 kernel: [227556.573590]  [<ffffffff815a0f5d>] apic_timer_interrupt+0x6d/0x80
>Sep 19 01:01:54 Owl2 kernel: [227556.573607]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.573619]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.573632]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.573646]  [<ffffffff81cceebf>] start_kernel+0x434/0x43f
>Sep 19 01:01:54 Owl2 kernel: [227556.573659]  [<ffffffff81cce6b5>] x86_64_start_kernel+0x10d/0x11c
>Sep 19 01:01:54 Owl2 kernel: [227556.573665] Code: e9 3d ff ff ff 48 89 58 10 e9 34 ff ff ff 49 89 1e eb d7 48 89 58 10 eb d1 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 07 <48> 85 c0 0f 84 24 01 00 00 48 8b 10 f6 c2 01 0f 85 58 01 00 00
>Sep 19 01:01:54 Owl2 kernel: [227556.573733] NMI backtrace for cpu 2
>Sep 19 01:01:54 Owl2 kernel: [227556.573740] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.447 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.573758] CPU: 2 PID: 0 Comm: swapper/2 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.573765] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.573771] task: ffff880225626340 ti: ffff880225628000 task.ti: ffff880225628000
>Sep 19 01:01:54 Owl2 kernel: [227556.573776] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.573793] RSP: 0018:ffff880225629eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.573798] RAX: ffffffff8100b140 RBX: ffff880225629fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573802] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.573806] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573810] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225629fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.573814] R13: ffff880225629fd8 R14: 0000000000000000 R15: ffff880225629fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.573820] FS:  00007fd558092700(0000) GS:ffff88022fc80000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573825] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.573829] CR2: 0000000000f60000 CR3: 00000001cab53000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.573833] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.573836]  ffffffff8100b158 0000000000000000 ffff880225629fd8 ffff880225629fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.573848]  ffffffff810a27d6 0000000000000002 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573858]  f6a8571a8d10f460 ffff88022fc8ce40 ffff880225629f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.573866] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.573890]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.573905]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.573922]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.573929] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.573996] NMI backtrace for cpu 4
>Sep 19 01:01:54 Owl2 kernel: [227556.574005] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.706 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.574018] CPU: 4 PID: 0 Comm: swapper/4 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.574021] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.574024] task: ffff88022562e3c0 ti: ffff880225630000 task.ti: ffff880225630000
>Sep 19 01:01:54 Owl2 kernel: [227556.574027] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.574038] RSP: 0018:ffff880225631eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.574040] RAX: ffffffff8100b140 RBX: ffff880225631fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574042] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.574044] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574046] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225631fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574047] R13: ffff880225631fd8 R14: 0000000000000000 R15: ffff880225631fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574050] FS:  00007f2701407940(0000) GS:ffff88042fc00000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574052] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.574070] CR2: 00007f270125f000 CR3: 00000002ca277000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.574091] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.574106]  ffffffff8100b158 0000000000000000 ffff880225631fd8 ffff880225631fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574166]  ffffffff810a27d6 0000000000000004 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574226]  1da01ae591d54b89 ffff88042fc0ce40 ffff880225631f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574284] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.574326]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.574358]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.574395]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.574413] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.574560] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.727 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.574566] NMI backtrace for cpu 9
>Sep 19 01:01:54 Owl2 kernel: [227556.574572] CPU: 9 PID: 27691 Comm: EMT-0 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.574575] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.574578] task: ffff8805405f6180 ti: ffff88060a128000 task.ti: ffff88060a128000
>Sep 19 01:01:54 Owl2 kernel: [227556.574605] RIP: 0010:[<ffffffffa0cc258d>]  [<ffffffffa0cc258d>] 0xffffffffa0cc258c
>Sep 19 01:01:54 Owl2 kernel: [227556.574608] RSP: 0018:ffff88060a129c60  EFLAGS: 00000082
>Sep 19 01:01:54 Owl2 kernel: [227556.574611] RAX: 00000000cf5fe000 RBX: 0000000068747541 RCX: 00000000444d4163
>Sep 19 01:01:54 Owl2 kernel: [227556.574617] RDX: 0000000069746e65 RSI: 000000000000ae46 RDI: 0000000000000001
>Sep 19 01:01:54 Owl2 kernel: [227556.574619] RBP: 0000000080551204 R08: ffffc9001aa29000 R09: 0000cef530bd791e
>Sep 19 01:01:54 Owl2 kernel: [227556.574622] R10: 0000000000000000 R11: 000000000173ea82 R12: ffffc9001aa29940
>Sep 19 01:01:54 Owl2 kernel: [227556.574624] R13: ffffc9001aa29000 R14: ffffc9001aa0e000 R15: 0000000000000246
>Sep 19 01:01:54 Owl2 kernel: [227556.574627] FS:  00007f0b9ba4d700(0000) GS:ffff88082fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>Sep 19 01:01:54 Owl2 kernel: [227556.574632] CR2: 0000000000f60000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.574634] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.574636]  ffffc9001aa29940 ffffc9001aba5000 ffffc9001aa29940 ffffc9001aa29000
>Sep 19 01:01:54 Owl2 kernel: [227556.574645]  ffffc9001aa0e000 0000000000000246 0000000000000082 ffff88060a129d98
>Sep 19 01:01:54 Owl2 kernel: [227556.574649]  0000000000000000 00000000cf5fe000 00000000753f3000 ffffc9001aa29940
>Sep 19 01:01:54 Owl2 kernel: [227556.574653] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.574669] Inexact backtrace:
>Sep 19 01:01:54 Owl2 kernel: [227556.574669]
>Sep 19 01:01:54 Owl2 kernel: [227556.574682]  [<ffffffff81061eae>] ? __send_signal+0x16e/0x410
>Sep 19 01:01:54 Owl2 kernel: [227556.574708]  [<ffffffffa0987867>] ? supdrvIOCtlFast+0x77/0xa0 [vboxdrv]
>Sep 19 01:01:54 Owl2 kernel: [227556.574722]  [<ffffffffa098434c>] ? VBoxDrvLinuxIOCtl_4_2_18+0x4c/0x1e0 [vboxdrv]
>Sep 19 01:01:54 Owl2 kernel: [227556.574728]  [<ffffffff81086a10>] ? __dequeue_entity+0x40/0x50
>Sep 19 01:01:54 Owl2 kernel: [227556.574734]  [<ffffffff8119908b>] ? do_vfs_ioctl+0x8b/0x520
>Sep 19 01:01:54 Owl2 kernel: [227556.574741]  [<ffffffff815964e6>] ? __schedule+0x146/0x37e
>Sep 19 01:01:54 Owl2 kernel: [227556.574744]  [<ffffffff811995c0>] ? SyS_ioctl+0xa0/0xc0
>Sep 19 01:01:54 Owl2 kernel: [227556.574750]  [<ffffffff815a016d>] ? system_call_fastpath+0x1a/0x1f
>Sep 19 01:01:54 Owl2 kernel: [227556.574752] Code: 10 02 00 00 8b be 38 02 00 00 8b ae 28 02 00 00 8b b6 30 02 00 00 0f 01 dd fb 0f 01 da 0f 01 d8 0f 01 db 58 0f 01 da fa 0f 01 dc <58> 36 89 98 18 02 00 00 36 89 88 08 02 00 00 36 89 90 10 02 00
>Sep 19 01:01:54 Owl2 kernel: [227556.574782] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1.949 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.574788] NMI backtrace for cpu 8
>Sep 19 01:01:54 Owl2 kernel: [227556.574794] CPU: 8 PID: 0 Comm: swapper/8 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.574796] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.574799] task: ffff8802256404c0 ti: ffff880225642000 task.ti: ffff880225642000
>Sep 19 01:01:54 Owl2 kernel: [227556.574813] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.574816] RSP: 0018:ffff880225643eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.574818] RAX: ffffffff8100b140 RBX: ffff880225643fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574820] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.574823] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574825] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225643fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574827] R13: ffff880225643fd8 R14: 0000000000000000 R15: ffff880225643fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574830] FS:  00007fce3b20c700(0000) GS:ffff88082fc00000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574832] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.574835] CR2: 00007fce3002f000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.574836] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.574838]  ffffffff8100b158 0000000000000000 ffff880225643fd8 ffff880225643fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574848]  ffffffff810a27d6 0000000000000008 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574852]  124498cf8ec882b3 ffff88082fc0ce40 ffff880225643f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574856] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.574877]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.574886]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.574897]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.574900] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.574932] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 2.097 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.574937] NMI backtrace for cpu 5
>Sep 19 01:01:54 Owl2 kernel: [227556.574944] CPU: 5 PID: 0 Comm: swapper/5 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.574947] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.574950] task: ffff880225634400 ti: ffff880225636000 task.ti: ffff880225636000
>Sep 19 01:01:54 Owl2 kernel: [227556.574965] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.574968] RSP: 0018:ffff880225637eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.574970] RAX: ffffffff8100b140 RBX: ffff880225637fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574973] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.574976] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574978] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225637fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574981] R13: ffff880225637fd8 R14: 0000000000000000 R15: ffff880225637fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.574984] FS:  00007f912fdf2880(0000) GS:ffff88042fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.574987] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.574990] CR2: 00007f911c7a1000 CR3: 000000081dd28000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.574992] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.574994]  ffffffff8100b158 0000000000000000 ffff880225637fd8 ffff880225637fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575005]  ffffffff810a27d6 0000000000000005 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575011]  9c6b2dabf530dd83 ffff88042fc4ce40 ffff880225637f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575016] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.575038]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.575049]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.575061]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.575066] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.575103] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 2.265 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.575113] NMI backtrace for cpu 10
>Sep 19 01:01:54 Owl2 kernel: [227556.575124] CPU: 10 PID: 0 Comm: swapper/10 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.575129] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.575134] task: ffff880225648540 ti: ffff88022564a000 task.ti: ffff88022564a000
>Sep 19 01:01:54 Owl2 kernel: [227556.575154] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.575168] RSP: 0018:ffff88022564beb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.575174] RAX: ffffffff8100b140 RBX: ffff88022564bfd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575179] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.575183] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575187] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022564bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575191] R13: ffff88022564bfd8 R14: 0000000000000000 R15: ffff88022564bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575197] FS:  00007fce350ef700(0000) GS:ffff88082fc80000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575201] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.575206] CR2: 00007fce3002f000 CR3: 000000061f444000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.575210] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.575213]  ffffffff8100b158 0000000000000000 ffff88022564bfd8 ffff88022564bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575226]  ffffffff810a27d6 000000000000000a ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575235]  5a2483ed85dda0f8 ffff88082fc8ce40 ffff88022564bf40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575245] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.575274]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.575292]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.575308]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.575316] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.575401] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 2.555 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.575409] NMI backtrace for cpu 12
>Sep 19 01:01:54 Owl2 kernel: [227556.575419] CPU: 12 PID: 0 Comm: swapper/12 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.575422] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.575426] task: ffff8802256525c0 ti: ffff880225654000 task.ti: ffff880225654000
>Sep 19 01:01:54 Owl2 kernel: [227556.575430] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.575448] RSP: 0018:ffff880225655eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.575455] RAX: ffffffff8100b140 RBX: ffff880225655fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575459] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.575464] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575468] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225655fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575473] R13: ffff880225655fd8 R14: 0000000000000000 R15: ffff880225655fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575479] FS:  00007f0b9b94c700(0000) GS:ffff88062fc00000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575483] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.575487] CR2: 0000000000f60000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.575491] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.575510]  ffffffff8100b158 0000000000000000 ffff880225655fd8 ffff880225655fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575514]  ffffffff810a27d6 000000000000000c ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575529]  067d67357304b305 ffff88062fc0ce40 ffff880225655f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575536] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.575564]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.575580]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.575604]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.575612] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.575683] NMI backtrace for cpu 6
>Sep 19 01:01:54 Owl2 kernel: [227556.575693] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 2.839 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.575714] CPU: 6 PID: 0 Comm: swapper/6 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.575721] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.575727] task: ffff880225638440 ti: ffff88022563a000 task.ti: ffff88022563a000
>Sep 19 01:01:54 Owl2 kernel: [227556.575733] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.575747] RSP: 0018:ffff88022563beb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.575752] RAX: ffffffff8100b140 RBX: ffff88022563bfd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575757] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.575761] RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575765] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022563bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575769] R13: ffff88022563bfd8 R14: 0000000000000000 R15: ffff88022563bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575774] FS:  00007f912fdf2880(0000) GS:ffff88042fc80000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575779] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.575784] CR2: 00007f911c7a1000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.575787] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.575791]  ffffffff8100b158 0000000000000000 ffff88022563bfd8 ffff88022563bfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.575802]  ffffffff810a27d6 0000000000000006 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575811]  e9a584ae6acd6e71 ffff88042fc8ce40 ffff88022563bf40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.575820] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.575842]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.575857]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.575871]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.575878] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.575947] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 3.097 msecs
>Sep 19 01:01:54 Owl2 kernel: [227556.575954] NMI backtrace for cpu 11
>Sep 19 01:01:54 Owl2 kernel: [227556.575965] CPU: 11 PID: 0 Comm: swapper/11 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.575970] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.575977] task: ffff88022564c580 ti: ffff88022564e000 task.ti: ffff88022564e000
>Sep 19 01:01:54 Owl2 kernel: [227556.575995] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.576001] RSP: 0018:ffff88022564feb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.576006] RAX: ffffffff8100b140 RBX: ffff88022564ffd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576011] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.576015] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576020] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022564ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576024] R13: ffff88022564ffd8 R14: 0000000000000000 R15: ffff88022564ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576030] FS:  00007f0b98730700(0000) GS:ffff88082fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576035] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.576040] CR2: 00000000026dd000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.576044] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.576047]  ffffffff8100b158 0000000000000000 ffff88022564ffd8 ffff88022564ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576063]  ffffffff810a27d6 000000000000000b ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576073]  9e5b9737a4b64f8f ffff88082fccce40 ffff88022564ff40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576082] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.576108]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.576123]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.576138]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.576145] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.576218] NMI backtrace for cpu 13
>Sep 19 01:01:54 Owl2 kernel: [227556.576235] CPU: 13 PID: 0 Comm: swapper/13 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.576241] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.576248] task: ffff880225656600 ti: ffff880225658000 task.ti: ffff880225658000
>Sep 19 01:01:54 Owl2 kernel: [227556.576252] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.576267] RSP: 0018:ffff880225659eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.576273] RAX: ffffffff8100b140 RBX: ffff880225659fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576277] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.576282] RBP: 000000000000000d R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576285] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225659fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576290] R13: ffff880225659fd8 R14: 0000000000000000 R15: ffff880225659fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576295] FS:  00007f0b9b94c700(0000) GS:ffff88062fc40000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576300] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.576304] CR2: 0000000000f60000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.576308] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.576311]  ffffffff8100b158 0000000000000000 ffff880225659fd8 ffff880225659fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576322]  ffffffff810a27d6 000000000000000d ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576332]  83fa6311819e4622 ffff88062fc4ce40 ffff880225659f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576341] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.576363]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.576377]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.576392]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.576399] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.576468] NMI backtrace for cpu 7
>Sep 19 01:01:54 Owl2 kernel: [227556.576485] CPU: 7 PID: 0 Comm: swapper/7 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.576491] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.576498] task: ffff88022563c480 ti: ffff88022563e000 task.ti: ffff88022563e000
>Sep 19 01:01:54 Owl2 kernel: [227556.576503] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.576517] RSP: 0018:ffff88022563feb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.576522] RAX: ffffffff8100b140 RBX: ffff88022563ffd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576527] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.576531] RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576535] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022563ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576539] R13: ffff88022563ffd8 R14: 0000000000000000 R15: ffff88022563ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576545] FS:  00007f912fdf2880(0000) GS:ffff88042fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576549] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.576554] CR2: 00007f912ba2f000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.576558] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.576561]  ffffffff8100b158 0000000000000000 ffff88022563ffd8 ffff88022563ffd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576572]  ffffffff810a27d6 0000000000000007 ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576581]  4646690f77309ed8 ffff88042fccce40 ffff88022563ff40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576590] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.576613]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.576627]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.576642]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.576649] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.576718] NMI backtrace for cpu 14
>Sep 19 01:01:54 Owl2 kernel: [227556.576735] CPU: 14 PID: 0 Comm: swapper/14 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.576742] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.576748] task: ffff88022565a640 ti: ffff88022565c000 task.ti: ffff88022565c000
>Sep 19 01:01:54 Owl2 kernel: [227556.576753] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.576768] RSP: 0018:ffff88022565deb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.576773] RAX: ffffffff8100b140 RBX: ffff88022565dfd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576778] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.576782] RBP: 000000000000000e R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576786] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022565dfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576790] R13: ffff88022565dfd8 R14: 0000000000000000 R15: ffff88022565dfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576796] FS:  00007f0bb2435700(0000) GS:ffff88062fc80000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576800] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.576804] CR2: 0000000000f60000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.576808] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.576812]  ffffffff8100b158 0000000000000000 ffff88022565dfd8 ffff88022565dfd8
>Sep 19 01:01:54 Owl2 kernel: [227556.576823]  ffffffff810a27d6 000000000000000e ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576832]  a7349ef86c8f4fcb ffff88062fc8ce40 ffff88022565df40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.576841] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.576864]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.576878]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.576892]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.576899] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:01:54 Owl2 kernel: [227556.576969] NMI backtrace for cpu 15
>Sep 19 01:01:54 Owl2 kernel: [227556.576986] CPU: 15 PID: 0 Comm: swapper/15 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:01:54 Owl2 kernel: [227556.576992] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:01:54 Owl2 kernel: [227556.576998] task: ffff88022565e680 ti: ffff880225660000 task.ti: ffff880225660000
>Sep 19 01:01:54 Owl2 kernel: [227556.577003] RIP: 0010:[<ffffffff8103c2a2>]  [<ffffffff8103c2a2>] native_safe_halt+0x2/0x10
>Sep 19 01:01:54 Owl2 kernel: [227556.577018] RSP: 0018:ffff880225661eb0  EFLAGS: 00000296
>Sep 19 01:01:54 Owl2 kernel: [227556.577023] RAX: ffffffff8100b140 RBX: ffff880225661fd8 RCX: 0100000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.577028] RDX: 0140000000000000 RSI: 0000000000000000 RDI: 0000000000000096
>Sep 19 01:01:54 Owl2 kernel: [227556.577032] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.577036] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880225661fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.577040] R13: ffff880225661fd8 R14: 0000000000000000 R15: ffff880225661fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.577046] FS:  00007f0b9b94c700(0000) GS:ffff88062fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.577050] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:01:54 Owl2 kernel: [227556.577055] CR2: 0000000000f60000 CR3: 00000003e8b4e000 CR4: 00000000000007e0
>Sep 19 01:01:54 Owl2 kernel: [227556.577059] Stack:
>Sep 19 01:01:54 Owl2 kernel: [227556.577062]  ffffffff8100b158 0000000000000000 ffff880225661fd8 ffff880225661fd8
>Sep 19 01:01:54 Owl2 kernel: [227556.577073]  ffffffff810a27d6 000000000000000f ffffffff810ab631 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.577082]  6e2784a2aabbee80 ffff88062fccce40 ffff880225661f40 0000000000000000
>Sep 19 01:01:54 Owl2 kernel: [227556.577092] Call Trace:
>Sep 19 01:01:54 Owl2 kernel: [227556.577114]  [<ffffffff8100b158>] default_idle+0x18/0xb0
>Sep 19 01:01:54 Owl2 kernel: [227556.577128]  [<ffffffff810a27d6>] cpu_startup_entry+0xc6/0x260
>Sep 19 01:01:54 Owl2 kernel: [227556.577143]  [<ffffffff8102e291>] start_secondary+0x211/0x2c0
>Sep 19 01:01:54 Owl2 kernel: [227556.577149] Code: 2e 0f 1f 84 00 00 00 00 00 fa c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 fb f4 <c3> 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 66 66 66 66 66
>Sep 19 01:02:21 Owl2 kernel: [227584.180739] BUG: soft lockup - CPU#1 stuck for 23s! [kworker/u65:1:27938]
>Sep 19 01:02:21 Owl2 kernel: [227584.180742] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:02:21 Owl2 kernel: [227584.180780] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:02:21 Owl2 kernel: [227584.180782] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:02:21 Owl2 kernel: [227584.180786] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:02:21 Owl2 kernel: [227584.180788] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:02:21 Owl2 kernel: [227584.180790] RIP: 0010:[<ffffffff81597f68>]  [<ffffffff81597f68>] _raw_spin_lock+0x18/0x30
>Sep 19 01:02:21 Owl2 kernel: [227584.180794] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:02:21 Owl2 kernel: [227584.180796] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:02:21 Owl2 kernel: [227584.180798] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:02:21 Owl2 kernel: [227584.180800] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:02:21 Owl2 kernel: [227584.180801] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:02:21 Owl2 kernel: [227584.180803] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:02:21 Owl2 kernel: [227584.180805] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:02:21 Owl2 kernel: [227584.180807] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:02:21 Owl2 kernel: [227584.180809] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:02:21 Owl2 kernel: [227584.180810] Stack:
>Sep 19 01:02:21 Owl2 kernel: [227584.180811]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:02:21 Owl2 kernel: [227584.180817]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:02:21 Owl2 kernel: [227584.180820]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:02:21 Owl2 kernel: [227584.180823] Call Trace:
>Sep 19 01:02:21 Owl2 kernel: [227584.180843]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.180878]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.180916]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.180980]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.181045]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.181127]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.181208]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.181276]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:02:21 Owl2 kernel: [227584.181281]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:02:21 Owl2 kernel: [227584.181286]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:02:21 Owl2 kernel: [227584.181292]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:02:21 Owl2 kernel: [227584.181297]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:02:21 Owl2 kernel: [227584.181302]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:02:21 Owl2 kernel: [227584.181306]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:02:21 Owl2 kernel: [227584.181311]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:02:21 Owl2 kernel: [227584.181317]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:02:21 Owl2 kernel: [227584.181320] Code: ff ff 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 <f3> 90 0f b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00
>Sep 19 01:02:21 Owl2 kernel: [227584.208745] BUG: soft lockup - CPU#3 stuck for 23s! [btrfs-transacti:785]
>Sep 19 01:02:21 Owl2 kernel: [227584.208748] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:02:21 Owl2 kernel: [227584.208792] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:02:21 Owl2 kernel: [227584.208794] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:02:21 Owl2 kernel: [227584.208796] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:02:21 Owl2 kernel: [227584.208798] RIP: 0010:[<ffffffffa00f4bc9>]  [<ffffffffa00f4bc9>] btrfs_merge_delayed_refs+0xd9/0x3d0 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.208827] RSP: 0018:ffff880224b13bf8  EFLAGS: 00000246
>Sep 19 01:02:21 Owl2 kernel: [227584.208829] RAX: ffff8803f9ace670 RBX: ffff88061f1512b0 RCX: 00000000000000b8
>Sep 19 01:02:21 Owl2 kernel: [227584.208831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8803f9ace730
>Sep 19 01:02:21 Owl2 kernel: [227584.208832] RBP: 0000000000000000 R08: ffff88061f1512b0 R09: 0000000000000000
>Sep 19 01:02:21 Owl2 kernel: [227584.208834] R10: ffff88062299bdf0 R11: ffff880120c912b0 R12: ffff88062299bdf0
>Sep 19 01:02:21 Owl2 kernel: [227584.208836] R13: ffff880120c912b0 R14: ffffffff8116dce7 R15: ffff8802a731fa30
>Sep 19 01:02:21 Owl2 kernel: [227584.208838] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:02:21 Owl2 kernel: [227584.208840] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:02:21 Owl2 kernel: [227584.208841] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:02:21 Owl2 kernel: [227584.208843] Stack:
>Sep 19 01:02:21 Owl2 kernel: [227584.208844]  0000000101b94a81 ffff8801e774ed90 ffff880172e538b0 ffff880218e6bef8
>Sep 19 01:02:21 Owl2 kernel: [227584.208850]  ffff880224b13c38 ffff880206594168 ffff880218e6bef8 ffff880172e538b0
>Sep 19 01:02:21 Owl2 kernel: [227584.208853]  ffff880172efcea8 ffff880624fee000 0000000000000000 ffffffffa009be46
>Sep 19 01:02:21 Owl2 kernel: [227584.208857] Call Trace:
>Sep 19 01:02:21 Owl2 kernel: [227584.208971]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.209010]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.209053]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.209107]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:02:21 Owl2 kernel: [227584.209148]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:02:21 Owl2 kernel: [227584.209156]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:02:21 Owl2 kernel: [227584.209160] Code: 00 4c 89 ff e8 79 99 1e e1 48 8b 53 18 49 39 57 18 49 89 c6 0f 85 28 01 00 00 48 85 ed 74 0a 49 3b 6f 28 0f 86 19 01 00 00 31 d2 <4c> 89 fe 48 89 df e8 bc f3 ff ff 85 c0 0f 85 44 01 00 00 41 0f
>Sep 19 01:02:49 Owl2 kernel: [227612.181228] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:02:49 Owl2 kernel: [227612.181235] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:02:49 Owl2 kernel: [227612.181271] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:02:49 Owl2 kernel: [227612.181273] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:02:49 Owl2 kernel: [227612.181278] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:02:49 Owl2 kernel: [227612.181280] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:02:49 Owl2 kernel: [227612.181282] RIP: 0010:[<ffffffff81597f6d>]  [<ffffffff81597f6d>] _raw_spin_lock+0x1d/0x30
>Sep 19 01:02:49 Owl2 kernel: [227612.181287] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:02:49 Owl2 kernel: [227612.181288] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:02:49 Owl2 kernel: [227612.181290] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:02:49 Owl2 kernel: [227612.181292] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:02:49 Owl2 kernel: [227612.181294] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:02:49 Owl2 kernel: [227612.181295] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:02:49 Owl2 kernel: [227612.181297] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:02:49 Owl2 kernel: [227612.181299] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:02:49 Owl2 kernel: [227612.181301] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:02:49 Owl2 kernel: [227612.181302] Stack:
>Sep 19 01:02:49 Owl2 kernel: [227612.181303]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:02:49 Owl2 kernel: [227612.181309]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:02:49 Owl2 kernel: [227612.181312]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:02:49 Owl2 kernel: [227612.181315] Call Trace:
>Sep 19 01:02:49 Owl2 kernel: [227612.181335]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181370]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181408]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181472]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181537]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181619]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181700]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.181768]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:02:49 Owl2 kernel: [227612.181773]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:02:49 Owl2 kernel: [227612.181779]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:02:49 Owl2 kernel: [227612.181784]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:02:49 Owl2 kernel: [227612.181789]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:02:49 Owl2 kernel: [227612.181794]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:02:49 Owl2 kernel: [227612.181799]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:02:49 Owl2 kernel: [227612.181804]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:02:49 Owl2 kernel: [227612.181809]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:02:49 Owl2 kernel: [227612.181812] Code: c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 f3 90 0f b7 07 <66> 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 83
>Sep 19 01:02:49 Owl2 kernel: [227612.209231] BUG: soft lockup - CPU#3 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:02:49 Owl2 kernel: [227612.209236] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:02:49 Owl2 kernel: [227612.209280] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:02:49 Owl2 kernel: [227612.209283] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:02:49 Owl2 kernel: [227612.209285] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:02:49 Owl2 kernel: [227612.209286] RIP: 0010:[<ffffffff812de563>]  [<ffffffff812de563>] rb_prev+0x43/0x50
>Sep 19 01:02:49 Owl2 kernel: [227612.209294] RSP: 0018:ffff880224b13bf0  EFLAGS: 00000202
>Sep 19 01:02:49 Owl2 kernel: [227612.209295] RAX: ffff880411077130 RBX: 0000000000000000 RCX: 00000000000000b8
>Sep 19 01:02:49 Owl2 kernel: [227612.209297] RDX: ffff880411077131 RSI: 0000000000000000 RDI: ffff8804110771f0
>Sep 19 01:02:49 Owl2 kernel: [227612.209299] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88061f1c1611
>Sep 19 01:02:49 Owl2 kernel: [227612.209301] R10: ffff8804237344f0 R11: ffff880120c912b0 R12: ffff8804237344f0
>Sep 19 01:02:49 Owl2 kernel: [227612.209302] R13: ffff880120c912b0 R14: ffffffff8116dce7 R15: ffff88049db653d0
>Sep 19 01:02:49 Owl2 kernel: [227612.209304] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:02:49 Owl2 kernel: [227612.209306] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:02:49 Owl2 kernel: [227612.209308] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:02:49 Owl2 kernel: [227612.209309] Stack:
>Sep 19 01:02:49 Owl2 kernel: [227612.209311]  ffffffffa00f4ba7 0000000101b94a81 ffff88049ce71250 ffff880172e538b0
>Sep 19 01:02:49 Owl2 kernel: [227612.209316]  ffff880218e6bef8 ffff880224b13c38 ffff880206594168 ffff880218e6bef8
>Sep 19 01:02:49 Owl2 kernel: [227612.209320]  ffff880172e538b0 ffff880172efcea8 ffff880624fee000 0000000000000000
>Sep 19 01:02:49 Owl2 kernel: [227612.209323] Call Trace:
>Sep 19 01:02:49 Owl2 kernel: [227612.209360]  [<ffffffffa00f4ba7>] btrfs_merge_delayed_refs+0xb7/0x3d0 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.209473]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.209513]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.209555]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.209610]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:02:49 Owl2 kernel: [227612.209651]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:02:49 Owl2 kernel: [227612.209659]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:02:49 Owl2 kernel: [227612.209663] Code: 48 89 d0 48 8b 50 08 48 85 d2 75 f4 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 10 48 89 c7 48 89 d0 48 83 e0 fc 74 06 48 3b 78 10 <74> eb f3 c3 31 c0 c3 66 0f 1f 44 00 00 48 8b 07 48 85 c0 0f 84
>Sep 19 01:03:17 Owl2 kernel: [227640.181713] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:03:17 Owl2 kernel: [227640.181716] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:03:17 Owl2 kernel: [227640.181754] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:03:17 Owl2 kernel: [227640.181756] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:03:17 Owl2 kernel: [227640.181760] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:03:17 Owl2 kernel: [227640.181763] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:03:17 Owl2 kernel: [227640.181765] RIP: 0010:[<ffffffff81597f6a>]  [<ffffffff81597f6a>] _raw_spin_lock+0x1a/0x30
>Sep 19 01:03:17 Owl2 kernel: [227640.181769] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:03:17 Owl2 kernel: [227640.181771] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:03:17 Owl2 kernel: [227640.181773] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:03:17 Owl2 kernel: [227640.181774] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:03:17 Owl2 kernel: [227640.181776] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:03:17 Owl2 kernel: [227640.181778] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:03:17 Owl2 kernel: [227640.181780] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:03:17 Owl2 kernel: [227640.181782] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:03:17 Owl2 kernel: [227640.181783] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:03:17 Owl2 kernel: [227640.181785] Stack:
>Sep 19 01:03:17 Owl2 kernel: [227640.181786]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:03:17 Owl2 kernel: [227640.181791]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:03:17 Owl2 kernel: [227640.181795]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:03:17 Owl2 kernel: [227640.181798] Call Trace:
>Sep 19 01:03:17 Owl2 kernel: [227640.181819]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.181854]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.181893]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.181957]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.182021]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.182103]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.182184]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.182253]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:03:17 Owl2 kernel: [227640.182258]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:03:17 Owl2 kernel: [227640.182264]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:03:17 Owl2 kernel: [227640.182269]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:03:17 Owl2 kernel: [227640.182274]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:03:17 Owl2 kernel: [227640.182279]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:03:17 Owl2 kernel: [227640.182284]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:03:17 Owl2 kernel: [227640.182289]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:03:17 Owl2 kernel: [227640.182294]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:03:17 Owl2 kernel: [227640.182298] Code: 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 f3 90 <0f> b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00
>Sep 19 01:03:17 Owl2 kernel: [227640.209716] BUG: soft lockup - CPU#3 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:03:17 Owl2 kernel: [227640.209719] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:03:17 Owl2 kernel: [227640.209764] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:03:17 Owl2 kernel: [227640.209766] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:03:17 Owl2 kernel: [227640.209768] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:03:17 Owl2 kernel: [227640.209770] RIP: 0010:[<ffffffff812de563>]  [<ffffffff812de563>] rb_prev+0x43/0x50
>Sep 19 01:03:17 Owl2 kernel: [227640.209777] RSP: 0018:ffff880224b13bf0  EFLAGS: 00000246
>Sep 19 01:03:17 Owl2 kernel: [227640.209779] RAX: ffff880076e838b0 RBX: 0000000000000000 RCX: 00000000000000b8
>Sep 19 01:03:17 Owl2 kernel: [227640.209780] RDX: ffff880076e838b1 RSI: 0000000000000000 RDI: ffff880076e83a90
>Sep 19 01:03:17 Owl2 kernel: [227640.209782] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
>Sep 19 01:03:17 Owl2 kernel: [227640.209784] R10: ffff88041e90d790 R11: ffff880120c912b0 R12: ffff88041e90d790
>Sep 19 01:03:17 Owl2 kernel: [227640.209786] R13: ffff880120c912b0 R14: ffffffff8116dce7 R15: ffff88049c808bb0
>Sep 19 01:03:17 Owl2 kernel: [227640.209788] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:03:17 Owl2 kernel: [227640.209790] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:03:17 Owl2 kernel: [227640.209791] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:03:17 Owl2 kernel: [227640.209793] Stack:
>Sep 19 01:03:17 Owl2 kernel: [227640.209794]  ffffffffa00f4ba7 0000000101b94a81 ffff88049c006d90 ffff880172e538b0
>Sep 19 01:03:17 Owl2 kernel: [227640.209800]  ffff880218e6bef8 ffff880224b13c38 ffff880206594168 ffff880218e6bef8
>Sep 19 01:03:17 Owl2 kernel: [227640.209803]  ffff880172e538b0 ffff880172efcea8 ffff880624fee000 0000000000000000
>Sep 19 01:03:17 Owl2 kernel: [227640.209807] Call Trace:
>Sep 19 01:03:17 Owl2 kernel: [227640.209843]  [<ffffffffa00f4ba7>] btrfs_merge_delayed_refs+0xb7/0x3d0 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.209958]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.209997]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.210040]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.210094]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:03:17 Owl2 kernel: [227640.210135]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:03:17 Owl2 kernel: [227640.210143]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:03:17 Owl2 kernel: [227640.210148] Code: 48 89 d0 48 8b 50 08 48 85 d2 75 f4 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 10 48 89 c7 48 89 d0 48 83 e0 fc 74 06 48 3b 78 10 <74> eb f3 c3 31 c0 c3 66 0f 1f 44 00 00 48 8b 07 48 85 c0 0f 84
>Sep 19 01:03:45 Owl2 kernel: [227668.182199] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:03:45 Owl2 kernel: [227668.182201] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:03:45 Owl2 kernel: [227668.182238] CPU: 1 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:03:45 Owl2 kernel: [227668.182240] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:03:45 Owl2 kernel: [227668.182244] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:03:45 Owl2 kernel: [227668.182247] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:03:45 Owl2 kernel: [227668.182248] RIP: 0010:[<ffffffff81597f68>]  [<ffffffff81597f68>] _raw_spin_lock+0x18/0x30
>Sep 19 01:03:45 Owl2 kernel: [227668.182253] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:03:45 Owl2 kernel: [227668.182255] RAX: 0000000000007af8 RBX: ffff8801b5df56e6 RCX: 00000000000052ee
>Sep 19 01:03:45 Owl2 kernel: [227668.182257] RDX: 0000000000007af9 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:03:45 Owl2 kernel: [227668.182258] RBP: 0000019723466000 R08: 00000000001e2000 R09: 0000019723466000
>Sep 19 01:03:45 Owl2 kernel: [227668.182260] R10: 0000000000000000 R11: 00000000000007e9 R12: ffff8801b5df5787
>Sep 19 01:03:45 Owl2 kernel: [227668.182262] R13: 0000000000000039 R14: ffffffffa008bd74 R15: 00000000001e2000
>Sep 19 01:03:45 Owl2 kernel: [227668.182264] FS:  00007f0b9ba4d700(0000) GS:ffff88022fc40000(0000) knlGS:0000000000000000
>Sep 19 01:03:45 Owl2 kernel: [227668.182266] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:03:45 Owl2 kernel: [227668.182267] CR2: 0000000000f60000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:03:45 Owl2 kernel: [227668.182268] Stack:
>Sep 19 01:03:45 Owl2 kernel: [227668.182270]  ffffffffa0096428 00a8000001972346 0000000000000010 00000000000052ee
>Sep 19 01:03:45 Owl2 kernel: [227668.182275]  00000000001e2000 0000000100000000 0000000000000000 ffff880218fbff40
>Sep 19 01:03:45 Owl2 kernel: [227668.182279]  00000000000052ee 00000000001e2000 0000019723466000 ffff88062537e800
>Sep 19 01:03:45 Owl2 kernel: [227668.182282] Call Trace:
>Sep 19 01:03:45 Owl2 kernel: [227668.182301]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182336]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182374]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182438]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182502]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182584]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182665]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.182733]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:03:45 Owl2 kernel: [227668.182738]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:03:45 Owl2 kernel: [227668.182744]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:03:45 Owl2 kernel: [227668.182749]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:03:45 Owl2 kernel: [227668.182754]  [<ffffffff811b107a>] bdi_writeback_workfn+0x1ba/0x390
>Sep 19 01:03:45 Owl2 kernel: [227668.182759]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:03:45 Owl2 kernel: [227668.182764]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:03:45 Owl2 kernel: [227668.182769]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:03:45 Owl2 kernel: [227668.182776]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:03:45 Owl2 kernel: [227668.182779] Code: ff ff 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 <f3> 90 0f b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00
>Sep 19 01:03:45 Owl2 kernel: [227668.210197] BUG: soft lockup - CPU#3 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:03:45 Owl2 kernel: [227668.210200] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:03:45 Owl2 kernel: [227668.210245] CPU: 3 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:03:45 Owl2 kernel: [227668.210248] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:03:45 Owl2 kernel: [227668.210250] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:03:45 Owl2 kernel: [227668.210251] RIP: 0010:[<ffffffff812de53f>]  [<ffffffff812de53f>] rb_prev+0x1f/0x50
>Sep 19 01:03:45 Owl2 kernel: [227668.210258] RSP: 0018:ffff880224b13bf0  EFLAGS: 00000282
>Sep 19 01:03:45 Owl2 kernel: [227668.210260] RAX: ffff880076e98f10 RBX: ffff880076ea3430 RCX: 00000000000000b8
>Sep 19 01:03:45 Owl2 kernel: [227668.210262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880076e98c70
>Sep 19 01:03:45 Owl2 kernel: [227668.210264] RBP: 0000000000000000 R08: ffff880076ea3430 R09: 0000000000000000
>Sep 19 01:03:45 Owl2 kernel: [227668.210265] R10: ffff880076ea6970 R11: ffff880076eb37f0 R12: ffff880076ea6970
>Sep 19 01:03:45 Owl2 kernel: [227668.210267] R13: ffff880076eb37f0 R14: ffff88022473e700 R15: 0000000000000000
>Sep 19 01:03:45 Owl2 kernel: [227668.210269] FS:  00007f0b74674700(0000) GS:ffff88022fcc0000(0000) knlGS:0000000000000000
>Sep 19 01:03:45 Owl2 kernel: [227668.210271] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:03:45 Owl2 kernel: [227668.210272] CR2: 00000000c8229298 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:03:45 Owl2 kernel: [227668.210274] Stack:
>Sep 19 01:03:45 Owl2 kernel: [227668.210275]  ffffffffa00f4ba7 0000000101b94a81 ffff880559dd4cd0 ffff880172e538b0
>Sep 19 01:03:45 Owl2 kernel: [227668.210281]  ffff880218e6bef8 ffff880224b13c38 ffff880206594168 ffff880218e6bef8
>Sep 19 01:03:45 Owl2 kernel: [227668.210285]  ffff880172e538b0 ffff880172efcea8 ffff880624fee000 0000000000000000
>Sep 19 01:03:45 Owl2 kernel: [227668.210288] Call Trace:
>Sep 19 01:03:45 Owl2 kernel: [227668.210325]  [<ffffffffa00f4ba7>] btrfs_merge_delayed_refs+0xb7/0x3d0 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.210438]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.210477]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.210519]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.210574]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:03:45 Owl2 kernel: [227668.210615]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:03:45 Owl2 kernel: [227668.210622]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:03:45 Owl2 kernel: [227668.210627] Code: eb f3 c3 31 c0 c3 66 0f 1f 44 00 00 48 8b 17 48 39 d7 74 3f 48 8b 47 10 48 85 c0 75 0a eb 23 0f 1f 44 00 00 48 89 d0 48 8b 50 08 <48> 85 d2 75 f4 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 10 48
>Sep 19 01:03:53 Owl2 kernel: [227675.730347] [sched_delayed] sched: RT throttling activated
>Sep 19 01:04:41 Owl2 kernel: [227724.199174] BUG: soft lockup - CPU#2 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:04:41 Owl2 kernel: [227724.199184] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:04:41 Owl2 kernel: [227724.199294] CPU: 2 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:04:41 Owl2 kernel: [227724.199300] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:04:41 Owl2 kernel: [227724.199313] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:04:41 Owl2 kernel: [227724.199321] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:04:41 Owl2 kernel: [227724.199326] RIP: 0010:[<ffffffff81597f6a>]  [<ffffffff81597f6a>] _raw_spin_lock+0x1a/0x30
>Sep 19 01:04:41 Owl2 kernel: [227724.199339] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:04:41 Owl2 kernel: [227724.199344] RAX: 00000000000083a4 RBX: ffff8801b5df56e6 RCX: 00000000000052ed
>Sep 19 01:04:41 Owl2 kernel: [227724.199348] RDX: 00000000000083a5 RSI: ffff88062537e9d7 RDI: ffff880172efcf80
>Sep 19 01:04:41 Owl2 kernel: [227724.199352] RBP: 0000019b1b4fa000 R08: 00000000002ed000 R09: 0000019b1b4fa000
>Sep 19 01:04:41 Owl2 kernel: [227724.199357] R10: 0000000000000000 R11: 0000000000000b6e R12: ffff8801b5df5787
>Sep 19 01:04:41 Owl2 kernel: [227724.199361] R13: ffff880100000061 R14: ffffffffa008bd74 R15: 00000000002ed000
>Sep 19 01:04:41 Owl2 kernel: [227724.199367] FS:  00007ff9ab9117c0(0000) GS:ffff88022fc80000(0000) knlGS:0000000000000000
>Sep 19 01:04:41 Owl2 kernel: [227724.199372] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:04:41 Owl2 kernel: [227724.199376] CR2: 00007f270125f000 CR3: 000000041e8bf000 CR4: 00000000000007e0
>Sep 19 01:04:41 Owl2 kernel: [227724.199380] Stack:
>Sep 19 01:04:41 Owl2 kernel: [227724.199383]  ffffffffa0096428 00a80000019b1b4f 0000000000000050 00000000000052ed
>Sep 19 01:04:41 Owl2 kernel: [227724.199396]  00000000002ed000 0000000100000000 0000000000000000 ffff880172e0deb0
>Sep 19 01:04:41 Owl2 kernel: [227724.199405]  00000000000052ed 00000000002ed000 0000019b1b4fa000 ffff88062537e800
>Sep 19 01:04:41 Owl2 kernel: [227724.199414] Call Trace:
>Sep 19 01:04:41 Owl2 kernel: [227724.199467]  [<ffffffffa0096428>] check_delayed_ref.isra.63+0x48/0x260 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.199561]  [<ffffffffa00990ff>] btrfs_cross_ref_exist+0x7f/0x110 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.199660]  [<ffffffffa00b844e>] run_delalloc_nocow+0x64e/0xaf0 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.199823]  [<ffffffffa00b8d13>] run_delalloc_range+0x333/0x3a0 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.199986]  [<ffffffffa00ceb69>] __extent_writepage+0x319/0x7b0 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.200192]  [<ffffffffa00cf23f>] extent_write_cache_pages.isra.32.constprop.50+0x23f/0x330 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.200396]  [<ffffffffa00cf5ab>] extent_writepages+0x4b/0x60 [btrfs]
>Sep 19 01:04:41 Owl2 kernel: [227724.200566]  [<ffffffff811ae2d8>] __writeback_single_inode+0x38/0x220
>Sep 19 01:04:41 Owl2 kernel: [227724.200580]  [<ffffffff811b01dd>] writeback_sb_inodes+0x1bd/0x3d0
>Sep 19 01:04:41 Owl2 kernel: [227724.200594]  [<ffffffff811b047e>] __writeback_inodes_wb+0x8e/0xc0
>Sep 19 01:04:41 Owl2 kernel: [227724.200608]  [<ffffffff811b06e3>] wb_writeback+0x233/0x2c0
>Sep 19 01:04:41 Owl2 kernel: [227724.200621]  [<ffffffff811b1186>] bdi_writeback_workfn+0x2c6/0x390
>Sep 19 01:04:41 Owl2 kernel: [227724.200635]  [<ffffffff8106c47b>] process_one_work+0x16b/0x400
>Sep 19 01:04:41 Owl2 kernel: [227724.200646]  [<ffffffff8106d546>] worker_thread+0x116/0x380
>Sep 19 01:04:41 Owl2 kernel: [227724.200659]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:04:41 Owl2 kernel: [227724.200672]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:04:41 Owl2 kernel: [227724.200682] Code: 31 c0 e9 c7 fe ff ff 90 90 90 90 90 90 90 90 90 90 b8 00 00 01 00 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 0f 0f 1f 44 00 00 f3 90 <0f> b7 07 66 39 d0 75 f6 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00
>Sep 19 01:04:41 Owl2 kernel: [227724.411188] BUG: soft lockup - CPU#12 stuck for 22s! [btrfs-transacti:785]
>Sep 19 01:04:41 Owl2 kernel: [227724.411195] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:04:41 Owl2 kernel: [227724.411253] CPU: 12 PID: 785 Comm: btrfs-transacti Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:04:41 Owl2 kernel: [227724.411256] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:04:41 Owl2 kernel: [227724.411259] task: ffff8802228187c0 ti: ffff880224b12000 task.ti: ffff880224b12000
>Sep 19 01:04:41 Owl2 kernel: [227724.411261] RIP: 0010:[<ffffffff812de53f>]  [<ffffffff812de53f>] rb_prev+0x1f/0x50
>Sep 19 01:04:41 Owl2 kernel: [227724.411271] RSP: 0018:ffff880224b13bf0  EFLAGS: 00000286
>Sep 19 01:04:41 Owl2 kernel: [227724.411273] RAX: ffff8803f7ac4af0 RBX: dead000000200200 RCX: 00000000000000b8
>Sep 19 01:04:41 Owl2 kernel: [227724.411275] RDX: ffff8803f7ac81f0 RSI: 0000000000000000 RDI: ffff8803f7aca670
>Sep 19 01:04:41 Owl2 kernel: [227724.411276] RBP: 0000000000000000 R08: dead000000200200 R09: 000000000000000e
>Sep 19 01:04:41 Owl2 kernel: [227724.411278] R10: 000000000000000c R11: ffff88062087c550 R12: 000000000000000c
>Sep 19 01:04:41 Owl2 kernel: [227724.411280] R13: ffff88062087c550 R14: ffff88022473e700 R15: ffff88062131f6d0
>Sep 19 01:04:41 Owl2 kernel: [227724.411282] FS:  00007f027dada700(0000) GS:ffff88062fc00000(0000) knlGS:0000000000000000
>Sep 19 01:04:41 Owl2 kernel: [227724.411284] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>Sep 19 01:04:42 Owl2 kernel: [227724.411286] CR2: 00000000026dd000 CR3: 0000000001c0d000 CR4: 00000000000007e0
>Sep 19 01:04:42 Owl2 kernel: [227724.411287] Stack:
>Sep 19 01:04:42 Owl2 kernel: [227724.411289]  ffffffffa00f4ba7 0000000101f61785 ffff880622ba5a90 ffff880172e538b0
>Sep 19 01:04:42 Owl2 kernel: [227724.411295]  ffff88021a81e498 ffff880224b13c38 ffff88042191a700 ffff88021a81e498
>Sep 19 01:04:42 Owl2 kernel: [227724.411299]  ffff880172e538b0 ffff880172efcea8 ffff880624fee000 0000000000000000
>Sep 19 01:04:42 Owl2 kernel: [227724.411303] Call Trace:
>Sep 19 01:04:42 Owl2 kernel: [227724.411353]  [<ffffffffa00f4ba7>] btrfs_merge_delayed_refs+0xb7/0x3d0 [btrfs]
>Sep 19 01:04:42 Owl2 kernel: [227724.411478]  [<ffffffffa009be46>] run_clustered_refs+0x76/0xd90 [btrfs]
>Sep 19 01:04:42 Owl2 kernel: [227724.411518]  [<ffffffffa00a0820>] btrfs_run_delayed_refs+0xd0/0x570 [btrfs]
>Sep 19 01:04:42 Owl2 kernel: [227724.411561]  [<ffffffffa00b0904>] btrfs_commit_transaction+0x54/0x940 [btrfs]
>Sep 19 01:04:42 Owl2 kernel: [227724.411616]  [<ffffffffa00a95f5>] transaction_kthread+0x195/0x210 [btrfs]
>Sep 19 01:04:42 Owl2 kernel: [227724.411659]  [<ffffffff81073b13>] kthread+0xb3/0xc0
>Sep 19 01:04:42 Owl2 kernel: [227724.411668]  [<ffffffff815a00bc>] ret_from_fork+0x7c/0xb0
>Sep 19 01:04:42 Owl2 kernel: [227724.411674] Code: eb f3 c3 31 c0 c3 66 0f 1f 44 00 00 48 8b 17 48 39 d7 74 3f 48 8b 47 10 48 85 c0 75 0a eb 23 0f 1f 44 00 00 48 89 d0 48 8b 50 08 <48> 85 d2 75 f4 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 48 8b 10 48
>Sep 19 01:05:09 Owl2 kernel: [227752.199666] BUG: soft lockup - CPU#2 stuck for 22s! [kworker/u65:1:27938]
>Sep 19 01:05:09 Owl2 kernel: [227752.199673] Modules linked in: af_packet vboxpci(O) vboxnetadp(O) vboxnetflt(O) binfmt_misc vboxdrv(O) hid_logitech_dj joydev hid_generic usbhid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_pcm_oss snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer kvm_amd snd_seq_device kvm snd_mixer_oss ohci_pci ohci_hcd amd64_edac_mod ehci_pci sp5100_tco edac_core pcspkr serio_raw ehci_hcd snd edac_mce_amd k10temp i2c_piix4 usbcore sr_mod e1000e fglrx(PO) cdrom usb_common soundcore ptp sg snd_page_alloc pps_core amd_iommu_v2 shpchp button acpi_cpufreq mperf dm_mod autofs4 btrfs raid6_pq zlib_deflate xor libcrc32c processor thermal_sys scsi_dh_hp_sw scsi_dh_emc scsi_dh_rdac scsi_dh_alua scsi_dh ata_generic pata_atiixp
>Sep 19 01:05:09 Owl2 kernel: [227752.199765] CPU: 2 PID: 27938 Comm: kworker/u65:1 Tainted: P           O 3.11.0-27.g0a1c41f-default #1
>Sep 19 01:05:09 Owl2 kernel: [227752.199769] Hardware name: System manufacturer System Product Name/KGP(M)E-D16, BIOS 2202    03/29/2012
>Sep 19 01:05:09 Owl2 kernel: [227752.199780] Workqueue: writeback bdi_writeback_workfn (flush-btrfs-1)
>Sep 19 01:05:09 Owl2 kernel: [227752.199786] task: ffff8802155de340 ti: ffff8801b5df4000 task.ti: ffff8801b5df4000
>Sep 19 01:05:09 Owl2 kernel: [227752.199790] RIP: 0010:[<ffffffff81597f68>]  [<ffffffff81597f68>] _raw_spin_lock+0x18/0x30
>Sep 19 01:05:09 Owl2 kernel: [227752.199801] RSP: 0018:ffff8801b5df56e0  EFLAGS: 00000297
>Sep 19 01:05:09 OSep 19 03:39:34 Owl2 kernel: klogd 1.4.1, log source = /proc/kmsg started.
>

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Attachments on bug 841293: 559062 | 559218