Activity log for bug #1119601

Date Who What changed Old value New value Message
2013-02-08 17:30:23 Stig Meireles Johansen bug added bug
2013-02-08 17:33:05 Stig Meireles Johansen description When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy kvm-ipxe kvm-ipxe: Installed: 1.0.0+git-3.55f6c88-0ubuntu1 Candidate: 1.0.0+git-3.55f6c88-0ubuntu1 Version table: *** 1.0.0+git-3.55f6c88-0ubuntu1 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages 100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17 When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy kvm kvm: Installed: (none) Candidate: 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu14.7 Version table: 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu14.7 0 500 http://br.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu13 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages $ apt-cache policy kvm-ipxe kvm-ipxe:   Installed: 1.0.0+git-3.55f6c88-0ubuntu1   Candidate: 1.0.0+git-3.55f6c88-0ubuntu1   Version table:  *** 1.0.0+git-3.55f6c88-0ubuntu1 0         500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages         100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17
2013-02-08 17:45:16 Stig Meireles Johansen description When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy kvm kvm: Installed: (none) Candidate: 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu14.7 Version table: 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu14.7 0 500 http://br.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu13 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages $ apt-cache policy kvm-ipxe kvm-ipxe:   Installed: 1.0.0+git-3.55f6c88-0ubuntu1   Candidate: 1.0.0+git-3.55f6c88-0ubuntu1   Version table:  *** 1.0.0+git-3.55f6c88-0ubuntu1 0         500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages         100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17 When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy qemu-kvm qemu-kvm: Installed: 1.0+noroms-0ubuntu14.7 Candidate: 1.0+noroms-0ubuntu14.7 Version table: *** 1.0+noroms-0ubuntu14.7 0 500 http://br.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 100 /var/lib/dpkg/status 1.0+noroms-0ubuntu13 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages (not using PXE-functionality, but installed anyways) $ apt-cache policy kvm-ipxe kvm-ipxe:   Installed: 1.0.0+git-3.55f6c88-0ubuntu1   Candidate: 1.0.0+git-3.55f6c88-0ubuntu1   Version table:  *** 1.0.0+git-3.55f6c88-0ubuntu1 0         500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages         100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17
2013-02-11 03:11:44 Serge Hallyn bug task added linux (Ubuntu)
2013-02-11 03:14:23 Serge Hallyn affects kvm (Ubuntu) qemu-kvm (Ubuntu)
2013-02-11 03:30:10 Brad Figg linux (Ubuntu): status New Incomplete
2013-02-11 03:30:11 Brad Figg tags precise
2013-02-17 23:18:44 Stig Meireles Johansen tags precise apport-collected precise running-unity staging
2013-02-17 23:18:48 Stig Meireles Johansen description When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy qemu-kvm qemu-kvm: Installed: 1.0+noroms-0ubuntu14.7 Candidate: 1.0+noroms-0ubuntu14.7 Version table: *** 1.0+noroms-0ubuntu14.7 0 500 http://br.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 100 /var/lib/dpkg/status 1.0+noroms-0ubuntu13 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages (not using PXE-functionality, but installed anyways) $ apt-cache policy kvm-ipxe kvm-ipxe:   Installed: 1.0.0+git-3.55f6c88-0ubuntu1   Candidate: 1.0.0+git-3.55f6c88-0ubuntu1   Version table:  *** 1.0.0+git-3.55f6c88-0ubuntu1 0         500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages         100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17 When logging out from the guest, occasionally the kvm will throw a segfault: [46953.865611] kvm[2762]: segfault at 10 ip 00007f014ead854e sp 00007fff56385cf0 error 6 in libc2.15.so[7f014ea58000+1b5000] I am using the vmvga display driver. The guest was originally a VMware Fusion guest on a Mac. The guest is using the vmdk-disk image. Some details about my system: $ lsb_release -rd Description: Ubuntu 12.04.2 LTS Release: 12.04 $ apt-cache policy qemu-kvm qemu-kvm: Installed: 1.0+noroms-0ubuntu14.7 Candidate: 1.0+noroms-0ubuntu14.7 Version table: *** 1.0+noroms-0ubuntu14.7 0 500 http://br.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages 500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages 100 /var/lib/dpkg/status 1.0+noroms-0ubuntu13 0 500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages (not using PXE-functionality, but installed anyways) $ apt-cache policy kvm-ipxe kvm-ipxe:   Installed: 1.0.0+git-3.55f6c88-0ubuntu1   Candidate: 1.0.0+git-3.55f6c88-0ubuntu1   Version table:  *** 1.0.0+git-3.55f6c88-0ubuntu1 0         500 http://br.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages         100 /var/lib/dpkg/status Some more logs from a former situation: /var/log/kern.log Feb 6 10:29:24 box kernel: [222277.878253] kvm[2613]: segfault at 10 ip 00007fae8fe3d54e sp 00007fff900e1c50 error 6 in libc-2.15.so[7fae8fdbd000+1b5000] Feb 6 10:32:39 box kernel: [222472.636725] INFO: task kvm:2616 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636727] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636729] kvm D ffffffff81806200 0 2616 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636732] ffff8803f95b9cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636734] ffff8803f95b9fd8 ffff8803f95b9fd8 ffff8803f95b9fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636736] ffff880405a79700 ffff8803da9c8000 ffff8803da9c8000 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636738] Call Trace: Feb 6 10:32:39 box kernel: [222472.636745] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636748] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636750] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636764] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636766] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636768] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636770] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636772] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636774] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636777] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636780] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636781] [<ffffffff8107cc52>] ? set_current_blocked+0x52/0x70 Feb 6 10:32:39 box kernel: [222472.636783] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636784] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636787] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636788] INFO: task kvm:2617 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636789] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636790] kvm D ffffffff81806200 0 2617 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636792] ffff8803db8f3cc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636794] ffff8803db8f3fd8 ffff8803db8f3fd8 ffff8803db8f3fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636796] ffff880405a59700 ffff8803da9cdc00 ffff8803da9cdc00 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636798] Call Trace: Feb 6 10:32:39 box kernel: [222472.636800] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636802] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636803] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636808] [<ffffffffa02d4b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm] Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636810] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636812] [<ffffffff81079fbb>] ? recalc_sigpending+0x1b/0x50 Feb 6 10:32:39 box kernel: [222472.636814] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636816] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636817] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636819] [<ffffffff81189c5a>] ? do_vfs_ioctl+0x8a/0x340 Feb 6 10:32:39 box kernel: [222472.636821] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636823] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636824] [<ffffffff81189f8b>] ? sys_ioctl+0x7b/0xa0 Feb 6 10:32:39 box kernel: [222472.636826] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636827] INFO: task kvm:26515 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636829] kvm D ffffffff81806200 0 26515 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636831] ffff8800080bdcc8 0000000000000082 0000000000000000 ffffffffffffffe0 Feb 6 10:32:39 box kernel: [222472.636833] ffff8800080bdfd8 ffff8800080bdfd8 ffff8800080bdfd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636834] ffffffff81c0d020 ffff8801fe9c4500 ffff8801fe9c4500 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636836] Call Trace: Feb 6 10:32:39 box kernel: [222472.636838] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636840] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636842] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636843] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636845] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636847] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636848] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636850] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636852] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636854] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636855] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636857] [<ffffffff81662190>] int_signal+0x12/0x17 Feb 6 10:32:39 box kernel: [222472.636858] INFO: task kvm:28672 blocked for more than 120 seconds. Feb 6 10:32:39 box kernel: [222472.636859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 6 10:32:39 box kernel: [222472.636860] kvm D ffffffff81806200 0 28672 1 0x00000000 Feb 6 10:32:39 box kernel: [222472.636861] ffff88001d059cc8 0000000000000082 ffff88001d059ca8 ffffffff8104c2f8 Feb 6 10:32:39 box kernel: [222472.636863] ffff88001d059fd8 ffff88001d059fd8 ffff88001d059fd8 0000000000013780 Feb 6 10:32:39 box kernel: [222472.636865] ffff880405a29700 ffff8804006a1700 0000000000000282 ffff880400a80380 Feb 6 10:32:39 box kernel: [222472.636867] Call Trace: Feb 6 10:32:39 box kernel: [222472.636870] [<ffffffff8104c2f8>] ? __wake_up_common+0x58/0x90 Feb 6 10:32:39 box kernel: [222472.636872] [<ffffffff816579cf>] schedule+0x3f/0x60 Feb 6 10:32:39 box kernel: [222472.636873] [<ffffffff8106b365>] exit_mm+0x85/0x130 Feb 6 10:32:39 box kernel: [222472.636875] [<ffffffff8106b57e>] do_exit+0x16e/0x420 Feb 6 10:32:39 box kernel: [222472.636877] [<ffffffff81079d1a>] ? __dequeue_signal+0x6a/0xb0 Feb 6 10:32:39 box kernel: [222472.636878] [<ffffffff8106b9d4>] do_group_exit+0x44/0xa0 Feb 6 10:32:39 box kernel: [222472.636880] [<ffffffff8107c89c>] get_signal_to_deliver+0x21c/0x420 Feb 6 10:32:39 box kernel: [222472.636882] [<ffffffff81013865>] do_signal+0x45/0x130 Feb 6 10:32:39 box kernel: [222472.636883] [<ffffffff810a03ec>] ? do_futex+0x7c/0x1b0 Feb 6 10:32:39 box kernel: [222472.636885] [<ffffffff810a062a>] ? sys_futex+0x10a/0x1a0 Feb 6 10:32:39 box kernel: [222472.636886] [<ffffffff81177ba0>] ? vfs_write+0x110/0x180 Feb 6 10:32:39 box kernel: [222472.636888] [<ffffffff81013b15>] do_notify_resume+0x65/0x80 Feb 6 10:32:39 box kernel: [222472.636889] [<ffffffff81662190>] int_signal+0x12/0x17 --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.1 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: VT1708S Analog [VT1708S Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: stigj 2320 F.... pulseaudio /dev/snd/pcmC0D0p: stigj 2320 F...m pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf7c00000 irq 47' Mixer name : 'VIA VT1708S' Components : 'HDA:11060397,10438415,00100000' Controls : 35 Simple ctrls : 20 DistroRelease: Ubuntu 12.04 HibernationDevice: RESUME=UUID=77b09337-4467-4911-af9e-416a1d4c0995 KvmCmdLine: UID PID PPID C SZ RSS PSR STIME TTY TIME CMD 116 3095 1 8 1158540 3727928 1 Feb14 ? 06:24:44 /usr/bin/kvm -S -M pc-1.0 -cpu qemu32 -enable-kvm -m 4096 -smp 2,sockets=2,cores=1,threads=1 -name Dax-Win7 -uuid ba6ea86a-8e9b-46f5-ae0b-40802b15dc28 -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/Dax-Win7.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/home/stigj/VM/Dax-Win7/Dax-Win7.vmdk,if=none,id=drive-ide0-0-0,format=vmdk -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -netdev tap,fd=18,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=00:0c:29:d8:51:74,bus=pci.0,addr=0x3 -netdev tap,fd=19,id=hostnet1 -device rtl8139,netdev=hostnet1,id=net1,mac=00:0c:29:d8:51:7e,bus=pci.0,addr=0x4 -usb -vnc 127.0.0.1:0 -vga vmware -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 MachineType: System manufacturer System Product Name MarkForUpload: True Package: qemu-kvm 1.0+noroms-0ubuntu14.7 PackageArchitecture: amd64 ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-37-generic root=UUID=2fcc218f-874a-438f-b035-3f19c60d8c65 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35 RfKill: StagingDrivers: mei zram Tags: precise running-unity staging precise running-unity Uname: Linux 3.2.0-37-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip kvm libvirtd lpadmin plex plugdev sambashare sudo dmi.bios.date: 12/17/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0905 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8H61-M LX3 R2.0 dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0905:bd12/17/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8H61-MLX3R2.0:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer
2013-02-17 23:19:00 Stig Meireles Johansen attachment added AcpiTables.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533940/+files/AcpiTables.txt
2013-02-17 23:19:02 Stig Meireles Johansen attachment added AlsaDevices.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533941/+files/AlsaDevices.txt
2013-02-17 23:19:05 Stig Meireles Johansen attachment added AplayDevices.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533942/+files/AplayDevices.txt
2013-02-17 23:19:09 Stig Meireles Johansen attachment added BootDmesg.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533943/+files/BootDmesg.txt
2013-02-17 23:19:12 Stig Meireles Johansen attachment added Card0.Amixer.values.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533944/+files/Card0.Amixer.values.txt
2013-02-17 23:19:14 Stig Meireles Johansen attachment added Card0.Codecs.codec.0.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533945/+files/Card0.Codecs.codec.0.txt
2013-02-17 23:19:16 Stig Meireles Johansen attachment added CurrentDmesg.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533946/+files/CurrentDmesg.txt
2013-02-17 23:19:18 Stig Meireles Johansen attachment added Dependencies.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533947/+files/Dependencies.txt
2013-02-17 23:19:20 Stig Meireles Johansen attachment added IwConfig.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533948/+files/IwConfig.txt
2013-02-17 23:19:23 Stig Meireles Johansen attachment added Lspci.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533949/+files/Lspci.txt
2013-02-17 23:19:25 Stig Meireles Johansen attachment added Lsusb.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533950/+files/Lsusb.txt
2013-02-17 23:19:27 Stig Meireles Johansen attachment added PciMultimedia.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533951/+files/PciMultimedia.txt
2013-02-17 23:19:30 Stig Meireles Johansen attachment added ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533952/+files/ProcCpuinfo.txt
2013-02-17 23:19:32 Stig Meireles Johansen attachment added ProcInterrupts.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533953/+files/ProcInterrupts.txt
2013-02-17 23:19:34 Stig Meireles Johansen attachment added ProcModules.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533954/+files/ProcModules.txt
2013-02-17 23:19:36 Stig Meireles Johansen attachment added PulseList.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533955/+files/PulseList.txt
2013-02-17 23:19:38 Stig Meireles Johansen attachment added RelatedPackageVersions.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533956/+files/RelatedPackageVersions.txt
2013-02-17 23:19:48 Stig Meireles Johansen attachment added UdevDb.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533957/+files/UdevDb.txt
2013-02-17 23:20:04 Stig Meireles Johansen attachment added UdevLog.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533958/+files/UdevLog.txt
2013-02-17 23:20:06 Stig Meireles Johansen attachment added WifiSyslog.txt https://bugs.launchpad.net/bugs/1119601/+attachment/3533959/+files/WifiSyslog.txt
2013-02-17 23:22:53 Stig Meireles Johansen linux (Ubuntu): status Incomplete Confirmed
2013-02-20 15:02:35 Serge Hallyn qemu-kvm (Ubuntu): importance Undecided High
2013-08-04 23:39:26 penalvch tags apport-collected precise running-unity staging apport-collected bios-outdated-1004 needs-upstream-testing precise regression-potential running-unity staging
2013-08-04 23:40:04 penalvch linux (Ubuntu): status Confirmed Incomplete