-- dmesg output during label of tape on storage server

st0: Block limits 2 - 16777214 bytes.
INFO: task bacula-sd:6631 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
bacula-sd     D ffff88004b049760     0  6631      1 0x00000080
 ffff8800298d9af8 0000000000000086 0000000000000000 ffff8800d1a8c900
 ffff8800d1a8c908 0000000000000086 ffff8800298d9fd8 ffff8800298d9fd8
 ffff88004b049b38 000000000000f980 0000000000015740 ffff88004b049b38
Call Trace:
 [<ffffffff812e8e7e>] ? scsi_done+0x0/0x17
 [<ffffffff81454f13>] schedule_timeout+0x36/0xe3
 [<ffffffff81227e68>] ? kobject_put+0x47/0x4b
 [<ffffffff812d6ae0>] ? put_device+0x17/0x19
 [<ffffffff81454d93>] wait_for_common+0xd6/0x131
 [<ffffffff81050c59>] ? default_wake_function+0x0/0x14
 [<ffffffff81216b22>] ? __generic_unplug_device+0x32/0x37
 [<ffffffff81454e91>] wait_for_completion+0x1d/0x1f
 [<ffffffffa00bad2e>] st_do_scsi.clone.0+0x30b/0x33c [st]
 [<ffffffffa00bb5bc>] st_int_ioctl+0x626/0xa40 [st]
 [<ffffffffa00bb341>] st_int_ioctl+0x3ab/0xa40 [st]
 [<ffffffff813a6071>] ? sock_aio_write+0xc0/0xd4
 [<ffffffff811139c0>] ? try_get_mem_cgroup_from_mm+0x39/0x49
 [<ffffffffa00bd89a>] st_ioctl+0xb3d/0xea8 [st]
 [<ffffffff8112a3c8>] vfs_ioctl+0x22/0x87
 [<ffffffff8112a924>] do_vfs_ioctl+0x47b/0x4c1
 [<ffffffff8111b136>] ? fsnotify_modify+0x6c/0x74
 [<ffffffff8112a9c0>] sys_ioctl+0x56/0x79
 [<ffffffff81011d32>] system_call_fastpath+0x16/0x1b
bat[4471]: segfault at 101c42780 ip 000000000091c06e sp 00007fff8c5cb0c8 error 4 in bat[400000+7e5000]
INFO: task bacula-sd:19803 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
bacula-sd     D ffff880086dc1760     0 19803      1 0x00000080
 ffff880024909b98 0000000000000086 0000000000000000 ffff88003c788000
 ffff88003c788008 0000000000000086 ffff880024909fd8 ffff880024909fd8
 ffff880086dc1b38 000000000000f980 0000000000015740 ffff880086dc1b38
Call Trace:
 [<ffffffff812e8e7e>] ? scsi_done+0x0/0x17
 [<ffffffff81454f13>] schedule_timeout+0x36/0xe3
 [<ffffffff81227e68>] ? kobject_put+0x47/0x4b
 [<ffffffff812d6ae0>] ? put_device+0x17/0x19
 [<ffffffff81454d93>] wait_for_common+0xd6/0x131
 [<ffffffff81050c59>] ? default_wake_function+0x0/0x14
 [<ffffffff81216b22>] ? __generic_unplug_device+0x32/0x37
 [<ffffffff81454e91>] wait_for_completion+0x1d/0x1f
 [<ffffffffa00bad2e>] st_do_scsi.clone.0+0x30b/0x33c [st]
 [<ffffffffa00bb5bc>] st_int_ioctl+0x626/0xa40 [st]
 [<ffffffff813a6071>] ? sock_aio_write+0xc0/0xd4
 [<ffffffffa00bd89a>] st_ioctl+0xb3d/0xea8 [st]
 [<ffffffff8112a3c8>] vfs_ioctl+0x22/0x87
 [<ffffffff8112a924>] do_vfs_ioctl+0x47b/0x4c1
 [<ffffffff8111b136>] ? fsnotify_modify+0x6c/0x74
 [<ffffffff8112a9c0>] sys_ioctl+0x56/0x79
 [<ffffffff81011d32>] system_call_fastpath+0x16/0x1b
INFO: task bacula-sd:20120 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
bacula-sd     D ffff880007e44620     0 20120      1 0x00000080
 ffff880020bd3b98 0000000000000086 0000000000000000 ffff880090c50500
 ffff880090c50508 0000000000000086 ffff880020bd3fd8 ffff880020bd3fd8
 ffff880007e449f8 000000000000f980 0000000000015740 ffff880007e449f8
Call Trace:
 [<ffffffff812e8e7e>] ? scsi_done+0x0/0x17
 [<ffffffff81454f13>] schedule_timeout+0x36/0xe3
 [<ffffffff81227e68>] ? kobject_put+0x47/0x4b
 [<ffffffff812d6ae0>] ? put_device+0x17/0x19
 [<ffffffff81454d93>] wait_for_common+0xd6/0x131
 [<ffffffff81050c59>] ? default_wake_function+0x0/0x14
 [<ffffffff81216b22>] ? __generic_unplug_device+0x32/0x37
 [<ffffffff81454e91>] wait_for_completion+0x1d/0x1f
 [<ffffffffa00bad2e>] st_do_scsi.clone.0+0x30b/0x33c [st]
 [<ffffffffa00bb5bc>] st_int_ioctl+0x626/0xa40 [st]
 [<ffffffff813a6071>] ? sock_aio_write+0xc0/0xd4
 [<ffffffffa00bd89a>] st_ioctl+0xb3d/0xea8 [st]
 [<ffffffff8112a3c8>] vfs_ioctl+0x22/0x87
 [<ffffffff8112a924>] do_vfs_ioctl+0x47b/0x4c1
 [<ffffffff8111b136>] ? fsnotify_modify+0x6c/0x74
 [<ffffffff8112a9c0>] sys_ioctl+0x56/0x79
 [<ffffffff81011d32>] system_call_fastpath+0x16/0x1b
INFO: task bacula-sd:26563 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
bacula-sd     D ffff8800d26c8000     0 26563      1 0x00000080
 ffff880007f0bb98 0000000000000086 0000000000000000 ffff8800ab196100
 ffff8800ab196108 0000000000000086 ffff880007f0bfd8 ffff880007f0bfd8
 ffff8800d26c83d8 000000000000f980 0000000000015740 ffff8800d26c83d8
Call Trace:
 [<ffffffff812e8e7e>] ? scsi_done+0x0/0x17
 [<ffffffff81454f13>] schedule_timeout+0x36/0xe3
 [<ffffffff81227e68>] ? kobject_put+0x47/0x4b
 [<ffffffff812d6ae0>] ? put_device+0x17/0x19
 [<ffffffff81454d93>] wait_for_common+0xd6/0x131
 [<ffffffff81050c59>] ? default_wake_function+0x0/0x14
 [<ffffffff81216b22>] ? __generic_unplug_device+0x32/0x37
 [<ffffffff81454e91>] wait_for_completion+0x1d/0x1f
 [<ffffffffa00bad2e>] st_do_scsi.clone.0+0x30b/0x33c [st]
 [<ffffffffa00bb5bc>] st_int_ioctl+0x626/0xa40 [st]
 [<ffffffff813a6071>] ? sock_aio_write+0xc0/0xd4
 [<ffffffffa00bd89a>] st_ioctl+0xb3d/0xea8 [st]
 [<ffffffff8112a3c8>] vfs_ioctl+0x22/0x87
 [<ffffffff8112a924>] do_vfs_ioctl+0x47b/0x4c1
 [<ffffffff8111b136>] ? fsnotify_modify+0x6c/0x74
 [<ffffffff8112a9c0>] sys_ioctl+0x56/0x79
 [<ffffffff81011d32>] system_call_fastpath+0x16/0x1b
bat[27072]: segfault at 101141da0 ip 0000003377277aff sp 00007fffd7947180 error 4 in libc-2.11.1.so[3377200000+16f000]
INFO: task bacula-sd:3589 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
bacula-sd     D ffff880037bd0000     0  3589      1 0x00000080
 ffff880007fa7af8 0000000000000082 0000000000000000 ffff8800b4148f00
 ffff8800b4148f08 0000000000000086 ffff880007fa7fd8 ffff880007fa7fd8
 ffff880037bd03d8 000000000000f980 0000000000015740 ffff880037bd03d8
Call Trace:
 [<ffffffff812e8e7e>] ? scsi_done+0x0/0x17
 [<ffffffff81454f13>] schedule_timeout+0x36/0xe3
 [<ffffffff81227e68>] ? kobject_put+0x47/0x4b
 [<ffffffff812d6ae0>] ? put_device+0x17/0x19
 [<ffffffff81454d93>] wait_for_common+0xd6/0x131
 [<ffffffff81050c59>] ? default_wake_function+0x0/0x14
 [<ffffffff81216b22>] ? __generic_unplug_device+0x32/0x37
 [<ffffffff81454e91>] wait_for_completion+0x1d/0x1f
 [<ffffffffa00bad2e>] st_do_scsi.clone.0+0x30b/0x33c [st]
 [<ffffffffa00bb5bc>] st_int_ioctl+0x626/0xa40 [st]
 [<ffffffffa00bb341>] st_int_ioctl+0x3ab/0xa40 [st]
 [<ffffffff813a6071>] ? sock_aio_write+0xc0/0xd4
 [<ffffffffa00bd89a>] st_ioctl+0xb3d/0xea8 [st]
 [<ffffffff8112a3c8>] vfs_ioctl+0x22/0x87
 [<ffffffff8112a924>] do_vfs_ioctl+0x47b/0x4c1
 [<ffffffff8111b136>] ? fsnotify_modify+0x6c/0x74
 [<ffffffff8112a9c0>] sys_ioctl+0x56/0x79
 [<ffffffff81011d32>] system_call_fastpath+0x16/0x1b
bat[27652]: segfault at 500000150 ip 00000000004319ca sp 00007fff8f174930 error 4 in bat[400000+7e5000]


----
- messages log from bat abort
----
Feb 23 10:42:51 distress kernel: bat[27652]: segfault at 500000150 ip 00000000004319ca sp 00007fff8f174930 error 4 in bat[400000+7e5000]
Feb 23 10:42:52 distress abrt[8788]: saved core dump of pid 27652 (/usr/bacula/bin/bat) to /var/cache/abrt/ccpp-1298486571-27652.new/coredump (26611712 bytes)
Feb 23 10:42:52 distress abrtd: Directory 'ccpp-1298486571-27652' creation detected
Feb 23 10:42:52 distress abrtd: Executable '/usr/bacula/bin/bat' doesn't belong to any package
Feb 23 10:42:52 distress abrtd: Corrupted or bad crash /var/cache/abrt/ccpp-1298486571-27652 (res:4), deleting
Feb 23 10:42:58 distress bacula-dir: bsock.c:374 Write error sending 83 bytes to client:10.10.10.3:36131: ERR=Connection reset by peer