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Date:      Sun, 4 Jun 1995 00:20:03 -0700
From:      asami@cs.berkeley.edu (Satoshi Asami)
To:        rgrimes@gndrsh.aac.dev.com
Cc:        mdomsch@dellgate.us.dell.com, mdomsch@dellgate.us.dell.com, freebsd-hackers@freebsd.org
Subject:   Re: NCR810 problem?
Message-ID:  <199506040720.AAA01779@silvia.HIP.Berkeley.EDU>
In-Reply-To: <199506032128.OAA17262@gndrsh.aac.dev.com> (rgrimes@gndrsh.aac.dev.com)

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 * > > > assertion "cp == np->header.cp" failed: file "../../pci/ncr.c", line 5235
 * > > > assertion "cp" failed: file "../../pci/ncr.c", line 5236
 * > > > ncr0 targ0?: ERROR (80:100) (e-ab-2) (8/13) @ (10d4:e000000).
 * > > >              reg: da 10 0 13 47 8 0 1f 0 e 80 ab 80 0 3 0.
 * > > > ncr0: restart (fatal error).
 * > > > ncr0: reset by timeout.
 * > > > sd0: error reading primary partition table from fsbn 0 (sd0 bn 0; cn 0
 * > > > tn 0 sn 0)

Just another datapoint, I am seeing this from time to time on my
-current system too.  NCR 53C825, with Quantam Atlas 2.1GB as the lone 
SCSI device, SiS chipset, Pentium-90.  The only other device on PCI
bus is video card (#9 GXE64 Pro).

It's not predictable though, my guess is that it happens about 1/3 of
the time.  If the boot gets through the fsck stage, it will run fine
for days.  Otherwise, it will spew a river of errors and I need to
open the lid and press the reset button.  It always succeeds after the
reset (or so it seems, I don't remember having to reset twice in a
row).

Satoshi



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