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Date:      Tue, 17 Sep 1996 21:01:15 -0700 (PDT)
From:      asami@FreeBSD.org (Satoshi Asami)
To:        dg@root.com
Cc:        current@FreeBSD.org, haertel@ichips.intel.com, erich@uruk.org
Subject:   Re: RAM parity error
Message-ID:  <199609180401.VAA09813@silvia.HIP.Berkeley.EDU>
In-Reply-To: <199609180316.UAA11084@root.com> (message from David Greenman on Tue, 17 Sep 1996 20:16:07 -0700)

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 *    I'll bet that the real traceback has a "#4.5" that is ahc_scsi_cmd(). gdb
 * often doesn't decode the traceback correctly since it doesn't deal with
 * trapframes correctly. I'm seeing *exactly* the same behavior on wcarchive (B0
 * Orion, Stepping 1 of the P6). During heavy disk I/O, I occasionally see "RAM
 * parity errors" during the outsl instruction.

That's very interesting to hear.  This machine is running 2.2-current
(about 1 day old), btw.  Intel Natoma, step unknown.

By the way, I just remembered that it once crashed during a newfs
(over a 35-disk ccd) too.  A single disk iozone won't crash it, so I
guess having the load of multiple disk I/O's is the problem.

Satoshi



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