Same problem appeared here, seems to be a faulty firmware of my Quantum drive. As you have a IBM drive look for firmware upgrades, maybe it helps :) Also try a boot with aic7xxx=verbose as a kernel-parameter.
> scsi gurus please help! today my kernel barked like:
>
> Oct 11 15:05:07 terix kernel: Recovery code sleeping
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): Abort Tag Message Sent
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): SCB 116 - Abort Tag Completed.
> Oct 11 15:05:07 terix kernel: Recovery SCB completes
> Oct 11 15:05:07 terix kernel: Recovery code awake
> Oct 11 15:05:07 terix kernel: aic7xxx_abort returns 8194
> Oct 11 15:05:07 terix kernel: scsi0:0:3:0: Attempting to queue an ABORT message
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): Queuing a recovery SCB
> Oct 11 15:05:07 terix kernel: scsi0:0:3:0: Device is disconnected, re-queuing SCB
> Oct 11 15:05:07 terix kernel: Recovery code sleeping
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): Abort Tag Message Sent
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): SCB 107 - Abort Tag Completed.
> Oct 11 15:05:07 terix kernel: Recovery SCB completes
> Oct 11 15:05:07 terix kernel: Recovery code awake
> Oct 11 15:05:07 terix kernel: aic7xxx_abort returns 8194
> Oct 11 15:05:07 terix kernel: scsi0:0:3:0: Attempting to queue an ABORT message
> Oct 11 15:05:07 terix kernel: (scsi0:A:3:0): Queuing a recovery SCB
> Oct 11 15:05:07 terix kernel: scsi0:0:3:0: Device is disconnected, re-queuing SCB
>
> and the machine froze for a couple of minutes. in short I have
> a Tyan motherbaord with Athlon SMP support and ADAPTEC SCSI onboard,
> kernel version :
>
> 2.4.10-xfs #1 SMP Wed Sep 26 09:44:28 CEST 2001 i686 unknown
<-- BIG SNIP -->
-- Cliff Albert | RIPE: CA3348-RIPE | www.oisec.net cliff@oisec.net | 6BONE: CA2-6BONE | icq 18461740 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/