On 17/02/11, Rory Campbell-Lange (r...@campbell-lange.net) wrote:
> I'm having a frustrating time trying to work out why our Dell PV124T (LTO4
> autoloader with a Quantum drive) is not working well at present.
>
> Kernel 2.6.33-2-amd64 on Debian
> Bacula 5.0.2-1~bpo50 (customised)
>
> The latest in a set of failures (can't write to tapes, can read reliably
should be "can't ready reliably"
> off tapes) is as follows (from my kernel log):
>
> [ 2517.323423] INFO: task bacula-sd:21475 blocked for more than 120
> seconds.
> [ 2517.323477] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [ 2517.323559] bacula-sd D 0000000000000000 0 21475 1
> 0x00000000
> [ 2517.323562] ffffffff8163e020 0000000000000086 0000000000000000
> 0000000000000fe0
> [ 2517.323566] ffff8803399e24d0 000000000000f8e0 ffff88032a8bdfd8
> 0000000000015680
> [ 2517.323569] 0000000000015680 ffff88009d5f8000 ffff88009d5f82f0
> 0000000039974000
> [ 2517.323572] Call Trace:
> [ 2517.323586] [<ffffffffa0016809>] ? scsi_init_sgtable+0x3f/0x5a
> [scsi_mod]
> [ 2517.323590] [<ffffffff812ed4cb>] ? schedule_timeout+0x2e/0xdd
> [ 2517.323593] [<ffffffff81171918>] ? blk_peek_request+0x18b/0x19f
> [ 2517.323596] [<ffffffff812ed366>] ? wait_for_common+0xde/0x15b
> [ 2517.323599] [<ffffffff81042cc2>] ? default_wake_function+0x0/0x9
> [ 2517.323603] [<ffffffffa01d609e>] ? st_do_scsi+0x2c4/0x2f4 [st]
> [ 2517.323607] [<ffffffffa01d9642>] ? st_read+0x396/0x8f4 [st]
> [ 2517.323610] [<ffffffff812ee88e>] ? common_interrupt+0xe/0x13
> [ 2517.323613] [<ffffffff81040d61>] ? finish_task_switch+0x3a/0xa7
> [ 2517.323618] [<ffffffff810ea675>] ? vfs_read+0xa6/0xff
> [ 2517.323620] [<ffffffff810ea78a>] ? sys_read+0x45/0x6e
> [ 2517.323624] [<ffffffff81008ac2>] ? system_call_fastpath+0x16/0x1b
> [ 2981.275435] st0: Error 50000 (driver bt 0x0, host bt 0x5).
> [ 2981.278175] st0: Sense Key : Aborted Command [current]
> [ 2981.278180] st0: Add. Sense: Tagged overlapped commands (task tag 0)
> [ 3880.828005] st0: Error 50000 (driver bt 0x0, host bt 0x5).
>
> Can anyone tell me what this means, apart from "your restore job just failed"?
--
Rory Campbell-Lange
r...@campbell-lange.net
Campbell-Lange Workshop
www.campbell-lange.net
0207 6311 555
3 Tottenham Street London W1T 2AF
Registered in England No. 04551928
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