Public bug reported:
I'm running Openstack Diablo, I'm not sure if this is an issue with KVM
or something else. The VM launches and after a short time this happens:
[9223372036.854787] BUG: soft lockup - CPU#2 stuck for 8589930346s! [swapper:0]
[9223372036.855730] Modules linked in: acpiphp ib_iser rdma_cm ib_cm iw_cm
ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi
binfmt_misc video output input_polldev parport_pc lp parport nvram evbug
psmouse serio_raw virtio_balloon snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer i2c_piix4
snd soundcore snd_page_alloc pcspkr virtio_blk 8139too virtio_pci virtio_ring
virtio 8139cp mii floppy raid10 raid456 async_xor async_memcpy async_tx xor
raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor
[9223372036.858776] Modules linked in: acpiphp ib_iser rdma_cm ib_cm iw_cm
ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi
binfmt_misc video output input_polldev parport_pc lp parport nvram evbug
psmouse serio_raw virtio_balloon snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer i2c_piix4
snd soundcore snd_page_alloc pcspkr virtio_blk 8139too virtio_pci virtio_ring
virtio 8139cp mii floppy raid10 raid456 async_xor async_memcpy async_tx xor
raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor
[9223372036.858776] Call Trace:
[9223372036.858776] [<ffffffff8027561c>] ?
tick_nohz_restart_sched_tick+0xec/0x140
[9223372036.858776] [<ffffffff80210eb5>] cpu_idle+0x95/0xc0
[9223372036.858776] [<ffffffff80698f23>] start_secondary+0x9e/0xcb
[9223372036.858776] BUG: soft lockup - CPU#1 stuck for 8589934442s! [gzip:2310]
[9223372036.858776] Modules linked in: acpiphp ib_iser rdma_cm ib_cm iw_cm
ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi
binfmt_misc video output input_polldev parport_pc lp parport nvram evbug
psmouse serio_raw virtio_balloon snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer i2c_piix4
snd soundcore snd_page_alloc pcspkr virtio_blk 8139too virtio_pci virtio_ring
virtio 8139cp mii floppy raid10 raid456 async_xor async_memcpy async_tx xor
raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor
[9223372036.858776] Modules linked in: acpiphp ib_iser rdma_cm ib_cm iw_cm
ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi scsi_transport_iscsi
binfmt_misc video output input_polldev parport_pc lp parport nvram evbug
psmouse serio_raw virtio_balloon snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer i2c_piix4
snd soundcore snd_page_alloc pcspkr virtio_blk 8139too virtio_pci virtio_ring
virtio 8139cp mii floppy raid10 raid456 async_xor async_memcpy async_tx xor
raid1 raid0 multipath linear fbcon tileblit font bitblit softcursor
[9223372036.858776] Call Trace:
[9223372036.858776] [<ffffffff8024a58d>] ? default_wake_function+0xd/0x10
[9223372036.858776] [<ffffffff80255f41>] current_fs_time+0x11/0x30
[9223372036.858776] [<ffffffff8069e569>] ? _spin_lock+0x9/0x10
[9223372036.858776] [<ffffffff8030019e>] ? mnt_want_write+0x7e/0xb0
[9223372036.858776] [<ffffffff802fc3cd>] touch_atime+0xad/0x140
[9223372036.858776] [<ffffffff80240495>] ? __wake_up_sync+0x55/0x70
[9223372036.858776] [<ffffffff802f0011>] pipe_read+0x4b1/0x4c0
[9223372036.858776] [<ffffffff802e7961>] do_sync_read+0xf1/0x140
[9223372036.858776] [<ffffffff80268930>] ? autoremove_wake_function+0x0/0x40
[9223372036.858776] [<ffffffff803f5ee3>] ? apparmor_file_permission+0x23/0x30
[9223372036.858776] [<ffffffff803d07d1>] ? security_file_permission+0x11/0x20
[9223372036.858776] [<ffffffff802e8148>] vfs_read+0xc8/0x130
[9223372036.858776] [<ffffffff802e82a0>] sys_read+0x50/0x90
[9223372036.858776] [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
This is on ubuntu 11.10 with libvirt 0.9.2, kvm 0.14.1.
The guest is Centos 5 running 2.6.28-11-generic.
** Affects: kvm (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1011925
Title:
cpu soft lockup in Centos guest using KVM 0.14.1
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