kernel panic: scsi_unjam_host
Miscount of number of failed commands
Not sure if it helps very much ...
-andrej
В Вск, 09.06.2002, в 00:55, Andrej Borsenkow написал:
>
> It looks like a media went corrupted so one expects some reasonable
> error message. What happens is I get endless loop in SCSI error recovery
> thread. The only way to clear up situation is to reboot and even then it
> hangs on umount so I have to do SysRq-B. Please, what additional
> information can be provided; I hope I can keep this media intact for
> some time for testing :-)
>
> the kernel is 2.4.18-18mdk based on 2.4.1-pre9.
>
> I am not on lkml so please Cc me. Thank you.
>
> -andrej
>
>
> {pts/0}% cat /proc/scsi/scsi
> Attached devices:
> Host: scsi0 Channel: 00 Id: 04 Lun: 00
> Vendor: iomega Model: jaz 2GB Rev: E.17
> Type: Direct-Access ANSI SCSI revision: 02
> Host: scsi1 Channel: 00 Id: 03 Lun: 00
> Vendor: PHILIPS Model: CDD3610 CD-R/RW Rev: 3.09
> Type: CD-ROM ANSI SCSI revision: 02
> {pts/0}% cat /proc/scsi/ppa/0
> Version : 2.07 (for Linux 2.4.x)
> Parport : parport0
> Mode : EPP 32 bit
> {pts/0}% uname -a
> Linux localhost.localdomain 2.4.18-18mdkcustom #5 Sat Jun 8 23:25:23 MSD
> 2002 i686 unknown
>
> SCSI log:
>
> Jun 8 20:49:59 localhost kernel: Activating command for device 4 (1)
> Jun 8 20:49:59 localhost kernel: Doing sd request, dev = 0x804, block = 944344
> Jun 8 20:49:59 localhost kernel: sda : real dev = /dev/0, block = 944376
> Jun 8 20:49:59 localhost kernel: sda : reading 248/248 512 byte blocks.
> Jun 8 20:49:59 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12892)
> Jun 8 20:49:59 localhost kernel: scsi_dispatch_cmnd (host = 0, channel = 0, target = 4, command = cd8b1e58, buffer = c009e000,
> Jun 8 20:49:59 localhost kernel: bufflen = 126976, done = d2813b7a)
> Jun 8 20:49:59 localhost kernel: queuecommand : routine at d2a2f1e0
> Jun 8 20:49:59 localhost kernel: leaving scsi_dispatch_cmnd()
> Jun 8 20:50:00 localhost kernel: Clearing timer for command cd8b1e00 1
> Jun 8 20:50:00 localhost kernel: Command failed cd8b1e00 2 active=1 busy=1 failed=0
> Jun 8 20:50:00 localhost kernel: bh08:04: old sense key None
> Jun 8 20:50:00 localhost kernel: Non-extended sense class 0 code 0x0
> Jun 8 20:50:00 localhost kernel: Waking error handler thread (-1)
> Jun 8 20:50:00 localhost kernel: Error handler waking up
> Jun 8 20:50:00 localhost kernel: scsi_unjam_host: Checking to see if we need to request sense
> Jun 8 20:50:00 localhost kernel: scsi_unjam_host: Requesting sense for 4
> Jun 8 20:50:00 localhost kernel: Adding timer for command cd8b1e00 at 1000 (d2a12a28)
> Jun 8 20:50:00 localhost kernel: In eh_done cd8b1e00 result:0
> Jun 8 20:50:00 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:00 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2002
> Jun 8 20:50:00 localhost kernel: Sense requested for cd8b1e00 - result 2
> Jun 8 20:50:00 localhost kernel: Info fld=0xe6960, Current bh08:04: sense key Medium Error
> Jun 8 20:50:00 localhost kernel: Additional sense indicates Address mark not found for data field
> Jun 8 20:50:00 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:03 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:03 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:03 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:03 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:06 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:06 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:06 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:06 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:09 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:09 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:09 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:09 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:12 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:12 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:12 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:12 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:15 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:15 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:15 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:15 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:17 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:17 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:17 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:17 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:20 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:20 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:20 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:20 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:23 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:23 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:23 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
> Jun 8 20:50:23 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28)
> Jun 8 20:50:26 localhost kernel: In eh_done cd8b1e00 result:2
> Jun 8 20:50:26 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002
> Jun 8 20:50:26 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001
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