Linux compute-06 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

[255405.923299] INFO: task kvm:31919 blocked for more than 120 seconds.
[255405.923504] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[255405.923770] kvm             D 000000000000000c     0 31919      1 0x00000000
[255405.923774]  ffff883fb0b95cc8 0000000000000082 0000000000000000 ffffffffffffffe0
[255405.923780]  ffff883fb0b95fd8 ffff883fb0b95fd8 ffff883fb0b95fd8 00000000000137c0
[255405.923783]  ffff881fb354c500 ffff883faef32e00 ffff883faef32e00 ffff881faf4d7a80
[255405.923787] Call Trace:
[255405.923799]  [<ffffffff81658f2f>] schedule+0x3f/0x60
[255405.923804]  [<ffffffff8106b495>] exit_mm+0x85/0x130
[255405.923807]  [<ffffffff8106b6ae>] do_exit+0x16e/0x420
[255405.923822]  [<ffffffffa0209b6b>] ? kvm_vcpu_block+0x9b/0xb0 [kvm]
[255405.923827]  [<ffffffff81079e4a>] ? __dequeue_signal+0x6a/0xb0
[255405.923829]  [<ffffffff8107a0eb>] ? recalc_sigpending+0x1b/0x50
[255405.923832]  [<ffffffff8106bb04>] do_group_exit+0x44/0xa0
[255405.923834]  [<ffffffff8107c9cc>] get_signal_to_deliver+0x21c/0x420
[255405.923841]  [<ffffffff81013865>] do_signal+0x45/0x130
[255405.923847]  [<ffffffff8118a22a>] ? do_vfs_ioctl+0x8a/0x340
[255405.923851]  [<ffffffff81178170>] ? vfs_write+0x110/0x180
[255405.923853]  [<ffffffff81013b15>] do_notify_resume+0x65/0x80
[255405.923855]  [<ffffffff8118a55b>] ? sys_ioctl+0x7b/0xa0
[255405.923861]  [<ffffffff81663710>] int_signal+0x12/0x17