Date: Mon, 18 Aug 1997 21:27:22 -0700 (PDT) From: Tom Samplonius <tom@sdf.com> To: Satoshi Asami <asami@cs.berkeley.edu> Cc: hardware@freebsd.org Subject: Re: parity errors Message-ID: <Pine.BSF.3.95q.970818212602.1816A-100000@misery.sdf.com> In-Reply-To: <199708182317.QAA11642@vader.cs.berkeley.edu>
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On Mon, 18 Aug 1997, Satoshi Asami wrote: > What am I supposed to see when there is a parity error on the main > memory? I have a few memory modules I suspect to be bad, so I put > them (256MB total) in our package building machine and tried a "make > world", and got one "kernel page fault" (or something like that) and > two lockups (no message on console). I disabled parity check in the > BIOS, and world aborted once with a sh seg-faulting and once with > a syntax error from make. > > At this point, I think it is pretty clear that the memory's at fault, > but shouldn't I see some "NMI" type messages? (If I grepped > correctly, it should be the "NMI indicates hardware failure" at line > 265 in /sys/i386/i386/trap.c.) They are true parity simms right? Do you have parity checking or ECC turned on in the CMOS setup? > This is with a P6-200 (not overclocked) on an Intel Venus motherboard. > > Satoshi > > Tom
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