From owner-freebsd-questions  Mon Aug 18 21:42:34 1997
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Date: Mon, 18 Aug 1997 21:42:18 -0700 (PDT)
From: Doug White <dwhite@gdi.uoregon.edu>
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Reply-To: Doug White <dwhite@resnet.uoregon.edu>
To: Web-Ignite webmaster <webmaster@web-ignite.com>
cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Dump is crashing my machine!!
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On Mon, 18 Aug 1997, Web-Ignite webmaster wrote:

> When using the "dump" utility to backup the filesystems, a SCSI error
> appears to occur and the entire machine crashes.
> 
> This happens not every time, but about once every four or five uses of "dump."
> 
> The dump command issued as root is `dump Nusd 5000 42500 F` where N is the
> dump level and F is the file system. It makes no
> difference what the level of dump is, or which filesystem is being backed up.
> 
> I have had no other problems with the SCSI devices (two hard disk drives).

Things I would check:

1.  Termination.
2.  Cables.
3.  Internal temperature.

Could we see the probe messages for the Seagate tape?

> st0(ahc 0:6:0):SCB0x3 - timed out while idle, LASTPHASE == 0x1,SCSISIGI == 0x0
> SEQ ADDR == 0x5
> st0(ahc 0:6:0): Queueing an Abort SCB
> st0(ahc 0:6:0): SCB0x3 - timed out while idle, LAST PHASE == 0x1, SCSISIGI
> == 0x0
> SEQ ADDR == 0x5
> st0(ahc 0:6:0): no longer in timeout
> ahc0: Issued Channel A Bus Reset. 2 SCBs aborted

Yuck.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major
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