[3991] in linux-scsi channel archive
Problem With a SCSI Hard drive
daemon@ATHENA.MIT.EDU (Paiement, Michel Guy)
Sat May 23 16:44:50 1998
Date: Sat, 23 May 1998 16:27:00 -0400 (EDT)
From: "Paiement, Michel Guy" <paiement@axone.net>
To: linux-scsi@vger.rutgers.edu
Hi all
Since this morning we have a strange problem with a Seagate Barracuda
SCSI - Hard Drive.
Is anybody can help me?
Michel Guy Paiement
Please note :
That the message who bgin with "Target 0, channel A,...." will
appear on all login console. And the only thing to do is doing a
POWER OFF and REBOOT.
The control-Alt-Delete is working, Linux will shutdown
but the message is countinuing to appear on the screen.
========================================================================
Here is a syslog extraction :
The first occurance of the problem:
>>>>>>
May 23 07:10:44 ns kernel: aic7xxx: (abort_reset) scb state 0x1, Data-Out phase, SCSISIGI = 0x0
May 23 07:10:44 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 07:10:44 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
...
<<<<<<
and there are a lots of these 2 lines, Until reboot.
During the boot, we have in syslog :
>>>>>>
May 23 08:58:28 ns kernel: aic7xxx: Extended translation disabled.
May 23 08:58:28 ns kernel: aic7xxx: AHA-2840 Rev E and subsequent.
May 23 08:58:28 ns kernel: aic7xxx: Using 4 SCB's after checking for SCB memory.
May 23 08:58:28 ns kernel: aic7xxx: Using level sensitive interrupts.
May 23 08:58:28 ns kernel: aic7xxx: Downloading sequencer code...done.
May 23 08:58:28 ns kernel: aic7xxx: Resetting the SCSI bus...done.
May 23 08:58:28 ns kernel: aic7xxx: Scanning channel A for devices.
<<<<<<
After that I tried :
fsck -av /dev/sda1
and then I obtain :
>>>>>
May 23 08:58:28 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 09:00:41 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (1024) got(512) count(1).
May 23 09:03:21 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (1024) got(512) count(1).
May 23 09:03:22 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (1024) got(512) count(1).
...
<<<<<
After that I was access a part of data by mounting the HardDrive in
READONLY mode. I Tried to copy this data on an other Harddrive, about
20% of the disk was done when a received:
>>>>>>
May 23 09:22:23 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 09:23:57 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(56832) count(4).
May 23 09:23:59 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(40448) count(4).
...
<<<<<<
REBOOT.
After that I tried the program badblocks, without any succes like you can
see:
>>>>>>
May 23 10:11:23 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(56832) count(4).
May 23 10:11:24 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(40448) count(4).
May 23 10:11:49 ns kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x0
May 23 10:11:51 ns kernel: aic7xxx: (abort_reset) scb state 0x7, Data-In phase, SCSISIGI = 0x0
May 23 10:12:02 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (52224) got(35328) count(4).
...
<<<<<<
REBOOT
etc....
May 23 14:56:33 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (1024) got(512) count(1).
May 23 15:00:33 ns kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x0
May 23 15:00:35 ns kernel: aic7xxx: (abort_reset) scb state 0x7, Data-In phase, SCSISIGI = 0x0
May 23 15:03:58 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 15:22:42 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(56832) count(4).
May 23 15:22:43 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (57344) got(40448) count(4).
May 23 15:25:16 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 15:32:42 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (49152) got(48640) count(8).
May 23 15:32:44 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (49152) got(15872) count(8).
May 23 15:36:27 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 15:50:29 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (49152) got(48640) count(8).
May 23 15:50:30 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (49152) got(15872) count(8).
May 23 15:51:16 ns kernel: aic7xxx: (abort_reset) scb state 0x1, Data-In phase, SCSISIGI = 0x0
May 23 15:51:18 ns kernel: aic7xxx: (abort_reset) scb state 0x7, Data-In phase, SCSISIGI = 0x0
May 23 15:51:18 ns kernel: aic7xxx: Target 0, channel A, now synchronous at 10.0MHz, offset(0xf).
May 23 15:51:18 ns kernel: aic7xxx: Target 0 underflow - Wanted (at least) (49152) got(15872) count(8).
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