From owner-freebsd-stable  Sun Jun 23 16:52:40 1996
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To: wjw@IAEhv.nl (Willem Jan Withagen)
cc: rashid@rk.ios.com, stable@freebsd.org
Subject: Re: AHC/SCSI stability (resets/timeouts on SCSI) 
In-reply-to: Your message of "Mon, 24 Jun 1996 01:47:17 +0200."
             <199606232347.BAA03063@iaehv.IAEhv.nl> 
Date: Sun, 23 Jun 1996 16:52:38 -0700
From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
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>In article <199606181359.JAA13394@rk.ios.com> you write:
>>	I run rather large CCD PC here - it has 3 AHA2940W
>>	and 6 HDDs in it ( it's a news server) .
>>	Works very fast - reads/writes at ~18MBs.
>
>> /kernel: sd5(ahc2:1:0): UNIT ATTENTION asc:29,0
>> un 11 21:49:49 news /kernel: sd5(ahc2:1:0):  Power on, reset, or bus device 
>reset occurred field replaceable uni
>> t: 1
>> Jun 11 21:49:49 news /kernel: , retries:4
>> Jun 11 21:49:49 news /kernel: biodone: buffer already done

There should be other messages on the console before you see this one.
The above message is in response to the driver resetting the bus because
it detected a hang.

Are you running the latest version of the driver in -stable?

>--WjW
>-- 
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--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================