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Date:      Mon, 13 Apr 1998 07:17:05 -0600 (MDT)
From:      "Justin T. Gibbs" <gibbs@narnia.plutotech.com>
To:        Mark Murray <mark@grondar.za>
Cc:        scsi@FreeBSD.ORG
Subject:   Re: SCBtimeouts with CAM and AIC7880
Message-ID:  <199804131317.HAA19663@narnia.plutotech.com>
In-Reply-To: <199804131000.MAA07754@greenpeace.grondar.za>

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In article <199804131000.MAA07754@greenpeace.grondar.za> you wrote:
> Hi
> 
> I have a GA586DX with 2xP5/200's and an on-board AIC7880. I have been
> running CAM for the last month or so, and it is a LOT more stable than
> the previous code, but there is a problem with SCB's.
> 
> If I stress the disks too much, I start getting the message
> "Timedout SCB handled by another timeout" (from aic7xxx.c).
> This message repeats itself ad nauseam at about 5-10-sec intervals, and 
> the machine is unuseable. A reset is necessary to get it going again.
> 
> Any clues? Could this be a race condition in the SMP case?

It could be an SMP problem, but I don't know for sure.  Is the
"Timedout SCB handled by another timeout" message how the whole
cycle starts or does some other message occur first?

--
Justin

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