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Date:      Wed, 8 Apr 1998 23:48:45 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Brandon Huey <bh@transbay.net>
Cc:        freebsd-questions@FreeBSD.ORG, bh@epigram.com
Subject:   Re: bad controller or disk?
Message-ID:  <Pine.BSF.3.96.980408234819.13615P-100000@gdi.uoregon.edu>
In-Reply-To: <l03130309b150f5c6ca6a@[153.37.33.148]>

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On Wed, 8 Apr 1998, Brandon Huey wrote:

> 
> I've been seeing these errors infrequently, but often before a crash.
> 
> >
> >
> > Apr  6 17:41:18 pippin /kernel: ahc0: Issued Channel A Bus Reset. 2 SCBs
> >aborted
> > Apr  6 17:41:18 pippin /kernel: sd0(ahc0:0:0): UNIT ATTENTION
> >csi:ff,ff,ff,ff asc:29,2
> > Apr  6 17:41:19 pippin /kernel: , retries:4
> > Apr  6 17:41:19 pippin /kernel: sd1(ahc0:1:0): UNIT ATTENTION asc:29,0
> > Apr  6 17:41:19 pippin /kernel: sd1(ahc0:1:0):  Power on, reset, or bus
> >device reset occurred field replaceable unit: 2
> > Apr  6 17:41:19 pippin /kernel: , retries:3
> 
> I don't know whether to suspect the controller or the disk. Can anyone
> explain this better?

What version of FreeBSD? Are there any errors above the Bus Reset?
Usually that comes out in response to an error or frozen device.

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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