Bug 881679

Summary:	sysfs group ffffffff81eaba60 not found for kobject 'parport0'
Product:	[openSUSE] openSUSE Tumbleweed	Reporter:	Martin Pluskal <mpluskal>
Component:	Kernel	Assignee:	E-mail List <kernel-maintainers>
Status:	RESOLVED DUPLICATE	QA Contact:	E-mail List <qa-bugs>
Severity:	Normal
Priority:	P5 - None	CC:	tiwai
Version:	13.2 Milestone 0
Target Milestone:	---
Hardware:	x86-64
OS:	openSUSE 13.2
Whiteboard:
Found By:	---	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description Martin Pluskal 2014-06-06 08:59:57 UTC

When running hwinfo on recent factory, following appears in dmesg:
[  480.868613] ------------[ cut here ]------------
[  480.868625] WARNING: CPU: 0 PID: 1764 at /home/abuild/rpmbuild/BUILD/kernel-desktop-3.15.rc7/linux-3.15-rc7/fs/sysfs/group.c:219 device_del+0x40/0x1b0()
[  480.868627] sysfs group ffffffff81eaba60 not found for kobject 'parport0'
[  480.868629] Modules linked in: parport_pc(-) rpcsec_gss_krb5 auth_rpcgss oid_registry nfsv4 dns_resolver nfs lockd sunrpc fscache bridge stp llc iscsi_ibft iscsi_boot_sysfs af_packet gpio_ich iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_idt snd_hda_codec_generic coretemp pcspkr serio_raw i2c_i801 lpc_ich mfd_core snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer tpm_tis tpm snd parport soundcore mei_me shpchp mei acpi_cpufreq processor btrfs xor raid6_pq ata_generic sr_mod cdrom firewire_ohci firewire_core crc_itu_t nouveau pata_marvell video mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm e1000e drm ptp pps_core button dm_mirror dm_region_hash dm_log dm_mod sg [last unloaded: lp]
[  480.868689] CPU: 0 PID: 1764 Comm: rmmod Not tainted 3.15.0-rc7-1-desktop #1
[  480.868691] Hardware name:                  /DG965WH, BIOS MQ96510J.86A.1754.2008.1117.0002 11/17/2008
[  480.868693]  0000000000000009 ffffffff81603600 ffff8800c2213de8 ffffffff810582f7
[  480.868696]  ffff8800c624bc00 ffff8800c2213e38 ffff88021dc9ea00 ffff88021e7e2810
[  480.868699]  00000000024081d0 ffffffff8105835c ffffffff81a2fe68 0000000000000028
[  480.868702] Call Trace:
[  480.868716]  [<ffffffff81004b7e>] dump_trace+0x8e/0x350
[  480.868720]  [<ffffffff81004ee6>] show_stack_log_lvl+0xa6/0x190
[  480.868724]  [<ffffffff81006371>] show_stack+0x21/0x50
[  480.868729]  [<ffffffff81603600>] dump_stack+0x49/0x6a
[  480.868735]  [<ffffffff810582f7>] warn_slowpath_common+0x77/0x90
[  480.868739]  [<ffffffff8105835c>] warn_slowpath_fmt+0x4c/0x50
[  480.868743]  [<ffffffff81403200>] device_del+0x40/0x1b0
[  480.868747]  [<ffffffff8140338a>] device_unregister+0x1a/0x60
[  480.868750]  [<ffffffff8140343a>] device_destroy+0x3a/0x40
[  480.868758]  [<ffffffffa0414546>] parport_remove_port+0x36/0x180 [parport]
[  480.868770]  [<ffffffffa06d0bc5>] parport_pc_unregister_port+0x25/0x1a0 [parport_pc]
[  480.868782]  [<ffffffffa06d407e>] parport_pc_exit+0x71/0xff3 [parport_pc]
[  480.868790]  [<ffffffff810d0fa4>] SyS_delete_module+0x154/0x1f0
[  480.868796]  [<ffffffff816116ed>] system_call_fastpath+0x1a/0x1f
[  480.868802]  [<00007f3d8d937047>] 0x7f3d8d937046
[  480.868804] ---[ end trace 9f24dc682fb2d1b9 ]---
[  480.887650] parport_pc 00:07: activated
[  480.887657] parport_pc 00:07: reported by Plug and Play ACPI
[  480.887714] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]
[  480.977933] lp0: using parport0 (interrupt-driven).
[  481.004338] ppa: Version 2.07 (for Linux 2.4.x)
[  481.034148] st: Version 20101219, fixed bufsize 32768, s/g segs 256
[  481.210758] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[  481.210762] EDD information not available.

Comment 1 Takashi Iwai 2014-06-06 12:48:52 UTC

Likely dup.

*** This bug has been marked as a duplicate of bug 856659 ***