On Mon, 30 Dec 1996, Jon Lewis wrote:
> On Fri, 27 Dec 1996, Ricardo Kleemann wrote:
>
> > Dec 27 09:17:00 irvine kernel: st0: Error with sense data: extra data not
> > valid Current error st09:00: sns = 70 3
> > Dec 27 09:17:00 irvine kernel: ASC= 3 ASCQ= 2
> > Dec 27 09:17:00 irvine kernel: Raw sense data:0x70 0x00 0x03 0x00 0x00
> > 0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x03 0x02 0x00 0x2a
> >
> > Any clues out there?
>
> Bad cables or a dirty tape drive?
I think that there is a real problem; I'm getting the same thing here.
Debian 1.2; kernel 2.0.27
Adaptec AHA-2940
Conner CTM3200E-S QIC drive (3080/TR-3)
Both the drive and the SCSI card are brand new.
Last week's backup gave the following:
==========================================
Dec 30 16:11:05 tech kernel: scsi : aborting command due to timeout : pid
29057, scsi0, channel 0, id 6, lun 0 0x0a 01 00 00 3c 00
Dec 30 16:11:06 tech kernel: aic7xxx: (abort) Aborting scb 0, TCL 6/0/0
Dec 30 16:11:06 tech kernel: SCSI host 0 abort (pid 29057) timed out - resetting
Dec 30 16:11:07 tech kernel: SCSI bus is being reset for host 0 channel 0.
Dec 30 16:11:07 tech kernel: aic7xxx: (reset) target/channel 6/0
Dec 30 16:11:07 tech kernel: aic7xxx: (abort_reset) scb state 0x1,
Data-Out phase, SCSISIGI = 0x0
Dec 30 16:11:07 tech kernel: aic7xxx: (abort_scb) scb 0 is disconnected;
bus device reset message queued.
Dec 30 16:11:07 tech kernel: aic7xxx: (isr) sending bus device reset to target 6
Dec 30 16:11:07 tech kernel: aic7xxx: received IMMEDDONE for target 6, scb
0, state 7
Dec 30 16:11:07 tech kernel: aic7xxx: (reset_device) target/channel 6/A,
active_scb 0
Dec 30 16:11:07 tech kernel: aic7xxx: (match_scb) comparing target/channel
6/A to scb 6/A
Dec 30 16:11:07 tech kernel: scsi0: Bus Device Reset delivered, 1 SCBs aborted.
Dec 30 16:11:07 tech kernel: aic7xxx: (done_aborted_scbs) Aborting scb 0,
TCL=6/0/0
Dec 30 16:11:07 tech kernel: scsi0: Target 6, channel A, now synchronous
at 5.0MHz, offset 15.
Dec 30 16:11:07 tech kernel: st0: Error with sense data: extra data not
valid Current error st09:00: sns = 70 6
Dec 30 16:11:07 tech kernel: ASC=29 ASCQ= 0
Dec 30 16:11:07 tech kernel: Raw sense data:0x70 0x00 0x06 0x00 0x00 0x00
0x00 0x0a 0x00 0x00 0x00 0x00 0x29 0x00 0x00 0x00
Dec 30 16:11:07 tech kernel: st0: Error with sense data: extra data not
valid Current error st09:00: sns = 70 2
Dec 30 16:11:07 tech kernel: ASC= 4 ASCQ= 1
Dec 30 16:11:07 tech kernel: Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00
0x00 0x0a 0x00 0x00 0x00 0x00 0x04 0x01 0x00 0x00
Dec 30 16:48:35 tech kernel: scsi : aborting command due to timeout : pid
29067, scsi0, channel 0, id 6, lun 0 0x0a 01 00 00 3c 00
Dec 30 16:48:35 tech kernel: aic7xxx: (abort) Aborting scb 0, TCL 6/0/0
===================================
Notice the half-hour delay before the last timeout.
The system may error out any time during the backup process. Sometimes
it dies after a few megs; about one in five tries is successful (about a
gigabyte).
Another machine with a Buslogic BT-545S card (but otherwise identical)
gives flawless backups on this drive.
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