|
Bugzilla – Full Text Bug Listing |
| Summary: | xend hangs after shutdown of paravirtual machine | ||
|---|---|---|---|
| Product: | [openSUSE] openSUSE 11.1 | Reporter: | Sebastian Reitenbach <reitenbach> |
| Component: | Xen | Assignee: | James Fehlig <jfehlig> |
| Status: | RESOLVED DUPLICATE | QA Contact: | E-mail List <qa-bugs> |
| Severity: | Normal | ||
| Priority: | P5 - None | CC: | carnold, jdouglas |
| Version: | Final | ||
| Target Milestone: | --- | ||
| Hardware: | i586 | ||
| OS: | openSUSE 11.1 | ||
| Whiteboard: | |||
| Found By: | --- | Services Priority: | |
| Business Priority: | Blocker: | --- | |
| Marketing QA Status: | --- | IT Deployment: | --- |
This is a duplicate of bug#513022. Fix will be available in pending maintenance update for both SLE11 and openSUSE11.1 *** This bug has been marked as a duplicate of bug 513022 *** |
User-Agent: Mozilla/5.0 (compatible; Konqueror/4.1; Linux) KHTML/4.1.3 (like Gecko) SUSE after shutting down a virtual machine, xend CPU utilization goes up to 100%. It doesn't matter whether shutdown via xm shutdown/destroy or logging in to the VM and then issue the halt command there. The virtual machine runs a OpenSUSE 10.2. The packages installed on the dom0 rpm -qa | grep xen ================================================= kernel-xen-2.6.27.29-0.1.1 xen-3.3.1_18546_16-0.1.1 xen-tools-3.3.1_18546_16-0.1.1 kernel-xen-base-2.6.27.29-0.1.1 xen-libs-3.3.1_18546_16-0.1.1 kernel-xen-extra-2.6.27.29-0.1.1 xen-doc-pdf-3.3.1_18546_16-0.1.1 xen-doc-html-3.3.1_18546_16-0.1.1 ================================================= cat /etc/xen/vm/test-build ================================================= name="test-build" uuid="b82d9789-1bc5-3d73-f651-32ac080f371e" memory=512 vcpus=2 on_poweroff="destroy" on_reboot="restart" on_crash="destroy" localtime=0 keymap="de" builder="linux" bootloader="/usr/lib/xen/boot/domUloader.py" bootargs="--entry=xvda2:/boot/vmlinuz-xenpae,/boot/initrd-xenpae" extra="xencons=tty" disk=[ 'file:/data/vms/OpenSUSE10.2.img,xvda,w' ] vif=[ 'mac=00:16:20:95:e9:c1,bridge=br0', ] ================================================= starting above VM works only once: xm new test-build ================================================= Using config file "/etc/xen/vm/test-build". ================================================= it013:~ # xm list ================================================= Name ID Mem VCPUs State Time(s) Domain-0 0 1410 2 r----- 4081.1 test-build 512 2 0.0 ================================================= it013:~ # xm create test-build ================================================= Using config file "/etc/xen/vm/test-build". Started domain test-build ================================================= Trying to stop the VM ends that the console to the VM will not be closed, and the xend tries to use all the CPU: dom0:~# xm console test-build test-build:~# poweroff [..] The system will be halted immediately. md: stopping all md devices. xenbus_dev_shutdown: device/console/0: Unknown != Connected, skipping System halted. [xen console stays open at that stage!] ================================================= top ================================================= top - 17:08:32 up 19 min, 4 users, load average: 1.13, 0.54, 0.33 Tasks: 137 total, 3 running, 133 sleeping, 0 stopped, 1 zombie Cpu(s): 6.8%us, 50.4%sy, 0.0%ni, 42.3%id, 0.2%wa, 0.0%hi, 0.2%si, 0.2%st Mem: 1005568k total, 971824k used, 33744k free, 15820k buffers Swap: 2096472k total, 0k used, 2096472k free, 430720k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3752 root 20 0 89392 11m 1956 S 100 1.1 1:14.36 xend ================================================= That stays the way until xend is killed manually. It is also impossible to start a new VM. Only a reboot of the dom0 allows a new start of the VM. A downgrade of the packages xen, xen-tools, xen-libs fixes the problem. == older versions where the problem doesn't exist: == xen-3.3.1_18494_03-1.8 xen-tools-3.3.1_18494_03-1.8 xen-libs-3.3.1_18494_03-1.8 below the logs when starting and stopping the xen VM: tail -f /var/log/xen/*log [2009-08-26 11:58:28 3712] DEBUG (XendDomainInfo:91) XendDomainInfo.create(['vm', ['name', 'test-build'], ['memory', 512], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], ['on_crash', 'destroy'], ['vcpus', 2], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['uuid', 'b82d9789-1bc5-3d73-f651-32ac080f371e'], ['bootloader', '/usr/lib/xen/boot/domUloader.py'], ['bootloader_args', '--entry=xvda2:/boot/vmlinuz-xenpae,/boot/initrd-xenpae'], ['image', ['linux', ['args', 'xencons=tty']]], ['device', ['vbd', ['uname', 'file:/data/vms/OpenSUSE10.2.img'], ['dev', 'xvda'], ['mode', 'w']]], ['device', ['vbd', ['uname', 'file:/data/vms/srv13.img'], ['dev', 'xvdb'], ['mode', 'w']]], ['device', ['vif', ['bridge', 'br0'], ['mac', '00:16:20:95:e9:c1']]]]) [2009-08-26 11:58:28 3712] DEBUG (XendDomainInfo:2068) XendDomainInfo.constructDomain [2009-08-26 11:58:28 3712] DEBUG (balloon:151) Balloon: 96268 KiB free; need 2048; done. [2009-08-26 11:58:28 3712] DEBUG (XendDomain:450) Adding Domain: 1 [2009-08-26 11:58:28 3712] DEBUG (XendDomainInfo:2232) XendDomainInfo.initDomain: 1 256 [2009-08-26 11:58:28 5024] DEBUG (XendBootloader:117) Launching bootloader as ['/usr/lib/xen/boot/domUloader.py', '--args=xencons=tty', '--output=/var/run/xend/boot/xenbl.12996', '--entry=xvda2:/boot/vmlinuz-xenpae,/boot/initrd-xenpae', '/data/vms/OpenSUSE10.2.img']. [2009-08-26 11:58:30 3712] DEBUG (XendDomainInfo:2262) _initDomain:shadow_memory=0x0, memory_static_max=0x20000000, memory_static_min=0x0. [2009-08-26 11:58:30 3712] DEBUG (balloon:157) Balloon: 96268 KiB free; 0 to scrub; need 526848; retries: 20. [2009-08-26 11:58:30 3712] DEBUG (balloon:172) Balloon: setting dom0 target to 989 MiB. [2009-08-26 11:58:30 3712] DEBUG (XendDomainInfo:1078) Setting memory target of domain Domain-0 (0) to 989 MiB. [2009-08-26 11:58:30 3712] DEBUG (balloon:157) Balloon: 145420 KiB free; 0 to scrub; need 526848; retries: 20. [2009-08-26 11:58:30 3712] DEBUG (balloon:157) Balloon: 296972 KiB free; 0 to scrub; need 526848; retries: 20. [2009-08-26 11:58:30 3712] DEBUG (balloon:172) Balloon: setting dom0 target to 985 MiB. [2009-08-26 11:58:30 3712] DEBUG (XendDomainInfo:1078) Setting memory target of domain Domain-0 (0) to 985 MiB. [2009-08-26 11:58:31 3712] DEBUG (balloon:151) Balloon: 531696 KiB free; need 526848; done. [2009-08-26 11:58:31 3712] INFO (image:166) buildDomain os=linux dom=1 vcpus=2 ==> /var/log/xen/domain-builder-ng.log <== ### ----- xc domain builder logfile opened ----- xc_dom_allocate: cmdline="xencons=tty", features="" xc_dom_kernel_file: filename="/var/lib/xen/tmp/kernel.TTz3jS" xc_dom_malloc_filemap : 1525 kB xc_dom_malloc : 3159 kB xc_dom_do_gunzip: unzip ok, 0x17d4f0 -> 0x315e84 xc_dom_ramdisk_file: filename="/var/lib/xen/tmp/ramdisk.h7gFHc" xc_dom_malloc_filemap : 3086 kB xc_dom_boot_xen_init: ver 3.3, caps xen-3.0-x86_32p xc_dom_parse_image: called xc_dom_find_loader: trying ELF-generic loader ... OK elf_parse_binary: phdr: paddr=0xc0100000 memsz=0x27b334 elf_parse_binary: phdr: paddr=0xc037b380 memsz=0xea734 elf_parse_binary: memory: 0xc0100000 -> 0xc0465ab4 elf_xen_parse_note: GUEST_OS = "linux" elf_xen_parse_note: GUEST_VERSION = "2.6" elf_xen_parse_note: XEN_VERSION = "xen-3.0" elf_xen_parse_note: VIRT_BASE = 0xc0000000 elf_xen_parse_note: PADDR_OFFSET = 0xc0000000 elf_xen_parse_note: ENTRY = 0xc0100000 elf_xen_parse_note: HYPERCALL_PAGE = 0xc0101000 elf_xen_parse_note: HV_START_LOW = 0xf5800000 elf_xen_parse_note: FEATURES = "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel" elf_xen_parse_note: PAE_MODE = "yes" elf_xen_parse_note: LOADER = "generic" elf_xen_addr_calc_check: addresses: virt_base = 0xc0000000 elf_paddr_offset = 0xc0000000 virt_offset = 0x0 virt_kstart = 0xc0100000 virt_kend = 0xc0465ab4 virt_entry = 0xc0100000 p2m_base = 0xffffffffffffffff xc_dom_parse_elf_kernel: xen-3.0-x86_32p: 0xc0100000 -> 0xc0465ab4 xc_dom_mem_init: mem 512 MB, pages 0x20000 pages, 4k each xc_dom_mem_init: 0x20000 pages xc_dom_boot_mem_init: called x86_compat: guest xen-3.0-x86_32p, address size 32 xc_dom_malloc : 512 kB xc_dom_build_image: called xc_dom_alloc_segment: kernel : 0xc0100000 -> 0xc0466000 (pfn 0x100 + 0x366 pages) xc_dom_pfn_to_ptr: domU mapping: pfn 0x100+0x366 at 0xb21fb000 elf_load_binary: phdr 0 at 0x0xb21fb000 -> 0x0xb2476334 elf_load_binary: phdr 1 at 0x0xb2476380 -> 0x0xb2505964 xc_dom_alloc_segment: ramdisk : 0xc0466000 -> 0xc0b5e000 (pfn 0x466 + 0x6f8 pages) xc_dom_pfn_to_ptr: domU mapping: pfn 0x466+0x6f8 at 0xb1b03000 xc_dom_do_gunzip: unzip ok, 0x303a9e -> 0x6f7c10 xc_dom_alloc_segment: phys2mach : 0xc0b5e000 -> 0xc0bde000 (pfn 0xb5e + 0x80 pages) xc_dom_pfn_to_ptr: domU mapping: pfn 0xb5e+0x80 at 0xb1a83000 xc_dom_alloc_page : start info : 0xc0bde000 (pfn 0xbde) xc_dom_alloc_page : xenstore : 0xc0bdf000 (pfn 0xbdf) xc_dom_alloc_page : console : 0xc0be0000 (pfn 0xbe0) nr_page_tables: 0x00000000ffffffff/32: 0x0000000000000000 -> 0xffffffffffffffff, 1 table(s) nr_page_tables: 0x000000003fffffff/30: 0x00000000c0000000 -> 0x00000000ffffffff, 1 table(s) nr_page_tables: 0x00000000001fffff/21: 0x00000000c0000000 -> 0x00000000c0ffffff, 8 table(s) xc_dom_alloc_segment: page tables : 0xc0be1000 -> 0xc0beb000 (pfn 0xbe1 + 0xa pages) xc_dom_pfn_to_ptr: domU mapping: pfn 0xbe1+0xa at 0xb6675000 xc_dom_alloc_page : boot stack : 0xc0beb000 (pfn 0xbeb) xc_dom_build_image : virt_alloc_end : 0xc0bec000 xc_dom_build_image : virt_pgtab_end : 0xc1000000 xc_dom_boot_image: called arch_setup_bootearly: doing nothing xc_dom_compat_check: supported guest type: xen-3.0-x86_32p <= matches xc_dom_update_guest_p2m: dst 32bit, pages 0x20000 clear_page: pfn 0xbe0, mfn 0x512d1 clear_page: pfn 0xbdf, mfn 0x512d2 xc_dom_pfn_to_ptr: domU mapping: pfn 0xbde+0x1 at 0xb6674000 start_info_x86_32: called setup_hypercall_page: vaddr=0xc0101000 pfn=0x101 domain builder memory footprint allocated malloc : 3739 kB anon mmap : 0 bytes mapped file mmap : 4611 kB domU mmap : 11172 kB arch_setup_bootlate: shared_info: pfn 0x0, mfn 0xbed shared_info_x86_32: called vcpu_x86_32: called vcpu_x86_32: cr3: pfn 0xbe1 mfn 0x512d0 launch_vm: called, ctxt=0x8610764 xc_dom_release: called ==> /var/log/xen/xen-hotplug.log <== Nothing to flush. ==> /var/log/xen/xend.log <== [2009-08-26 11:58:31 3712] DEBUG (image:642) domid = 1 [2009-08-26 11:58:31 3712] DEBUG (image:643) memsize = 512 [2009-08-26 11:58:31 3712] DEBUG (image:644) image = /var/lib/xen/tmp/kernel.TTz3jS [2009-08-26 11:58:31 3712] DEBUG (image:645) store_evtchn = 1 [2009-08-26 11:58:31 3712] DEBUG (image:646) console_evtchn = 2 [2009-08-26 11:58:31 3712] DEBUG (image:647) cmdline = xencons=tty [2009-08-26 11:58:31 3712] DEBUG (image:648) ramdisk = /var/lib/xen/tmp/ramdisk.h7gFHc [2009-08-26 11:58:31 3712] DEBUG (image:649) vcpus = 2 [2009-08-26 11:58:31 3712] DEBUG (image:650) features = [2009-08-26 11:58:31 3712] INFO (XendDomainInfo:1932) createDevice: vbd : {'uuid': '838d8464-734f-4934-8c52-a8d7d437d47f', 'bootable': 1, 'driver': 'paravirtualised', 'dev': 'xvda', 'uname': 'file:/data/vms/OpenSUSE10.2.img', 'mode': 'w'} [2009-08-26 11:58:31 3712] DEBUG (DevController:122) DevController: writing {'virtual-device': '51712', 'device-type': 'disk', 'protocol': 'x86_32-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/1/51712'} to /local/domain/1/device/vbd/51712. [2009-08-26 11:58:31 3712] DEBUG (DevController:124) DevController: writing {'domain': 'test-build', 'frontend': '/local/domain/1/device/vbd/51712', 'uuid': '838d8464-734f-4934-8c52-a8d7d437d47f', 'dev': 'xvda', 'state': '1', 'params': '/data/vms/OpenSUSE10.2.img', 'mode': 'w', 'online': '1', 'frontend-id': '1', 'type': 'file'} to /local/domain/0/backend/vbd/1/51712. [2009-08-26 11:58:31 3712] INFO (XendDomainInfo:1932) createDevice: vbd : {'uuid': '2596f05b-b1b9-3547-fd8a-1d85952e4620', 'bootable': 0, 'driver': 'paravirtualised', 'dev': 'xvdb', 'uname': 'file:/data/vms/srv13.img', 'mode': 'w'} [2009-08-26 11:58:31 3712] DEBUG (DevController:122) DevController: writing {'virtual-device': '51728', 'device-type': 'disk', 'protocol': 'x86_32-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/1/51728'} to /local/domain/1/device/vbd/51728. [2009-08-26 11:58:31 3712] DEBUG (DevController:124) DevController: writing {'domain': 'test-build', 'frontend': '/local/domain/1/device/vbd/51728', 'uuid': '2596f05b-b1b9-3547-fd8a-1d85952e4620', 'dev': 'xvdb', 'state': '1', 'params': '/data/vms/srv13.img', 'mode': 'w', 'online': '1', 'frontend-id': '1', 'type': 'file'} to /local/domain/0/backend/vbd/1/51728. [2009-08-26 11:58:31 3712] INFO (XendDomainInfo:1932) createDevice: vif : {'bridge': 'br0', 'mac': '00:16:20:95:e9:c1', 'uuid': '3867be3e-f65f-62ac-c1fd-c95c8e54dee8'} [2009-08-26 11:58:31 3712] DEBUG (DevController:122) DevController: writing {'mac': '00:16:20:95:e9:c1', 'handle': '0', 'protocol': 'x86_32-abi', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/1/0'} to /local/domain/1/device/vif/0. [2009-08-26 11:58:31 3712] DEBUG (DevController:124) DevController: writing {'bridge': 'br0', 'domain': 'test-build', 'handle': '0', 'uuid': '3867be3e-f65f-62ac-c1fd-c95c8e54dee8', 'script': '/etc/xen/scripts/vif-bridge', 'mac': '00:16:20:95:e9:c1', 'frontend-id': '1', 'state': '1', 'online': '1', 'frontend': '/local/domain/1/device/vif/0'} to /local/domain/0/backend/vif/1/0. [2009-08-26 11:58:31 3712] DEBUG (XendDomainInfo:2789) Storing VM details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': 'b82d9789-1bc5-3d73-f651-32ac080f371e', 'on_reboot': 'restart', 'start_time': '1251280711.76', 'on_poweroff': 'destroy', 'bootloader_args': '--entry=xvda2:/boot/vmlinuz-xenpae,/boot/initrd-xenpae', 'on_xend_start': 'ignore', 'on_crash': 'destroy', 'xend/restart_count': '0', 'vcpus': '2', 'vcpu_avail': '3', 'bootloader': '/usr/lib/xen/boot/domUloader.py', 'image': "(linux (kernel ) (args 'xencons=tty') (notes (HV_START_LOW 4118806528) (FEATURES 'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel') (VIRT_BASE 3221225472) (GUEST_VERSION 2.6) (PADDR_OFFSET 3221225472) (GUEST_OS linux) (HYPERCALL_PAGE 3222278144) (LOADER generic) (PAE_MODE yes) (ENTRY 3222274048) (XEN_VERSION xen-3.0)))", 'name': 'test-build'} [2009-08-26 11:58:31 3712] DEBUG (XendDomainInfo:1392) Storing domain details: {'console/ring-ref': '332497', 'image/entry': '3222274048', 'console/port': '2', 'store/ring-ref': '332498', 'image/loader': 'generic', 'vm': '/vm/b82d9789-1bc5-3d73-f651-32ac080f371e', 'control/platform-feature-multiprocessor-suspend': '1', 'image/hv-start-low': '4118806528', 'image/guest-os': 'linux', 'cpu/1/availability': 'online', 'image/features/writable-descriptor-tables': '1', 'image/virt-base': '3221225472', 'memory/target': '524288', 'image/guest-version': '2.6', 'image/features/supervisor-mode-kernel': '1', 'image/pae-mode': 'yes', 'console/limit': '1048576', 'image/paddr-offset': '3221225472', 'image/hypercall-page': '3222278144', 'cpu/0/availability': 'online', 'image/features/pae-pgdir-above-4gb': '1', 'image/features/writable-page-tables': '1', 'console/type': 'xenconsoled', 'image/features/auto-translated-physmap': '1', 'name': 'test-build', 'domid': '1', 'image/xen-version': 'xen-3.0', 'store/port': '1'} [2009-08-26 11:58:32 3712] DEBUG (DevController:122) DevController: writing {'protocol': 'x86_32-abi', 'state': '1', 'backend-id': '0', 'backend': '/local/domain/0/backend/console/1/0'} to /local/domain/1/device/console/0. [2009-08-26 11:58:32 3712] DEBUG (DevController:124) DevController: writing {'domain': 'test-build', 'frontend': '/local/domain/1/device/console/0', 'uuid': '08aa83f2-9823-100c-9db3-abb2a1aa83da', 'frontend-id': '1', 'state': '1', 'location': '2', 'online': '1', 'protocol': 'vt100'} to /local/domain/0/backend/console/1/0. [2009-08-26 11:58:32 3712] DEBUG (XendDomainInfo:1476) XendDomainInfo.handleShutdownWatch [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices vif. [2009-08-26 11:58:32 3712] DEBUG (DevController:171) Waiting for 0. [2009-08-26 11:58:32 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vif/1/0/hotplug-status. [2009-08-26 11:58:32 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vif/1/0/hotplug-status. [2009-08-26 11:58:32 3712] DEBUG (DevController:695) hotplugStatusCallback 1. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices vkbd. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices ioports. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices tap. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices console. [2009-08-26 11:58:32 3712] DEBUG (DevController:171) Waiting for 0. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices vscsi. [2009-08-26 11:58:32 3712] DEBUG (DevController:166) Waiting for devices vbd. [2009-08-26 11:58:32 3712] DEBUG (DevController:171) Waiting for 51712. [2009-08-26 11:58:32 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vbd/1/51712/hotplug-status. [2009-08-26 11:58:32 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vbd/1/51712/hotplug-status. [2009-08-26 11:58:32 3712] DEBUG (DevController:695) hotplugStatusCallback 1. [2009-08-26 11:58:32 3712] DEBUG (DevController:171) Waiting for 51728. [2009-08-26 11:58:32 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vbd/1/51728/hotplug-status. [2009-08-26 11:58:33 3712] DEBUG (DevController:681) hotplugStatusCallback /local/domain/0/backend/vbd/1/51728/hotplug-status. [2009-08-26 11:58:33 3712] DEBUG (DevController:695) hotplugStatusCallback 1. [2009-08-26 11:58:33 3712] DEBUG (DevController:166) Waiting for devices irq. [2009-08-26 11:58:33 3712] DEBUG (DevController:166) Waiting for devices vfb. [2009-08-26 11:58:33 3712] DEBUG (DevController:166) Waiting for devices pci. [2009-08-26 11:58:34 3712] DEBUG (DevController:166) Waiting for devices vtpm. [2009-08-26 11:58:34 3712] INFO (XendDomain:1175) Domain test-build (1) unpaused. [2009-08-26 11:59:32 3712] INFO (XendDomainInfo:1662) Domain has shutdown: name=test-build id=1 reason=poweroff. [2009-08-26 11:59:32 3712] DEBUG (XendDomainInfo:2446) XendDomainInfo.destroy: domid=1 xm dmesg - no response xm list - no response xm destroy test-build - no response itest:~ # rcxend stop Stopping xend (pid 3831) done itest:~ # rcxend status Checking status of xend (pid 3831) unused itest:~ # ps ax | grep xen 10 ? S< 0:00 [xenwatch] 11 ? S< 0:00 [xenbus] 3705 ? S 0:00 xenstored --pid-file /var/run/xenstore.pid 3711 ? S 0:00 /usr/bin/python2.6 /usr/sbin/xend start 3712 ? SLl 7:12 /usr/bin/python2.6 /usr/sbin/xend start 3714 ? Sl 0:00 xenconsoled 3831 ? S 0:00 python /usr/lib/python2.6/site-packages/xen/xend/server/HalDaemon.py 4972 pts/1 S+ 0:00 tail -f /var/log/xen/domain-builder-ng.log /var/log/xen/hald.log /var/log/xen/xen-hotplug.log /var/log/xen/xend-debug.log /var/log/xen/xend.log 5021 pts/2 Sl+ 0:00 /usr/lib/xen/bin/xenconsole 1 5942 pts/8 S+ 0:00 grep xen itest:~ # kill -9 5021 System halted. Killed itest:~ # pkill -9 xen itest:~ # xm list Error: Unable to connect to xend: Connection reset by peer. Is xend running? Reproducible: Always Steps to Reproduce: 1. 2. 3. Actual Results: the VM konsole stays open, and xend starts to use 100% of memory Expected Results: It should be possible to start and stop xen vms without the need to restart the dom0