Bug#516374: INFO: task * blocked for more than 120 seconds. (ubuntu bug #276476)
I am having a similar problem with 2.26.30-6. Here are the log entries.
I hope this helps.
Yours
John
[43680.636045] INFO: task bacula-sd:12964 blocked for more than 120 seconds.
[43680.636079] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[43680.636125] bacula-sd D e9eea480 0 12964 1
[43680.636158] c181a1c0 00200082 f8103b9d e9eea480 c04951c0 c0492134
00200046 c3c8d690
[43680.636221] c3c8d844 00000001 00000000 f82bd045 00000020 c3d0f0ac
c3d2d000 e9eea480
[43680.636283] 00000500 c3c8d844 00a505ec 00200082 f8103cb5 e9ed5760
00000000 c3d0f000
[43680.636345] Call Trace:
[43680.636402] [<f8103b9d>] ? scsi_pool_alloc_command+0x29/0x41 [scsi_mod]
[43680.636442] [<f82bd045>] ? mptscsih_qcmd+0x438/0x45d [mptscsih]
[43680.636489] [<f8103cb5>] ? scsi_get_command+0x5a/0x72 [scsi_mod]
[43680.636538] [<c031d600>] ? schedule+0x5/0x13
[43680.636575] [<c031d72b>] ? schedule_timeout+0x14/0xbd
[43680.636616] [<c01f1f8e>] ? elv_next_request+0x13e/0x14c
[43680.636668] [<f81038ce>] ? scsi_dispatch_cmd+0x185/0x1e5 [scsi_mod]
[43680.636720] [<f81081b9>] ? scsi_request_fn+0x3c4/0x47d [scsi_mod]
[43680.636752] [<c031cdfe>] ? wait_for_common+0xb8/0x112
[43680.636781] [<c0121f09>] ? default_wake_function+0x0/0x8
[43680.636816] [<f845a73e>] ? st_scsi_execute_end+0x0/0x48 [st]
[43680.636851] [<f845ae07>] ? st_do_scsi+0x27e/0x2a6 [st]
[43680.636883] [<f845bade>] ? st_int_ioctl+0x61c/0xa66 [st]
[43680.636916] [<c0286c9f>] ? release_sock+0xf/0x7f
[43680.636945] [<c02b7584>] ? tcp_sendmsg+0x67a/0x757
[43680.636977] [<f845b88b>] ? st_int_ioctl+0x3c9/0xa66 [st]
[43680.637008] [<c028462b>] ? __sock_sendmsg+0x43/0x4a
[43680.637039] [<f845d854>] ? st_ioctl+0xb1b/0xe62 [st]
[43680.637069] [<c018d2ca>] ? do_sync_write+0xc0/0x107
[43680.637100] [<f845cd39>] ? st_ioctl+0x0/0xe62 [st]
[43680.637129] [<c01971e7>] ? vfs_ioctl+0x1c/0x5f
[43680.637156] [<c019766e>] ? do_vfs_ioctl+0x444/0x47f
[43680.637184] [<c018d016>] ? fsnotify_modify+0x4c/0x53
[43680.637214] [<c018dc42>] ? vfs_write+0x9e/0xd6
[43680.637244] [<c01976ea>] ? sys_ioctl+0x41/0x58
[43680.637274] [<c0103014>] ? sysenter_do_call+0x12/0x28
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