Date: Mon, 3 Apr 1995 21:28:19 -0700 (PDT) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: dgy@seagull.rtd.com (Don Yuniskis) Cc: freebsd-hackers@freefall.cdrom.com Subject: Re: NMI message Message-ID: <199504040428.VAA06178@gndrsh.aac.dev.com> In-Reply-To: <199504040353.UAA24847@seagull.rtd.com> from "Don Yuniskis" at Apr 3, 95 08:53:38 pm
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> > Greetings! > My 1.1.5.1R system gasped: > NMI... going to debugger > kernel: type 19 trap, code=0 > shall I assume this was an intermittent parity error (system had been > up for 40 days or so...) like maybe a Vcc glitch or alpha particle, etc.? > Haven't dug out any schematics, etc. but I suspect parity is the only > thing that would yank on NMI (looked like CPU was doing a memory to memory > transfer at the time ... possibly faulting in a page, etc.) > Thx, --don Yes, if this is a once in 40 day event I would attribute it to either an alpha particle or the phase of the moon. If you see any more of them be warry for failing components. If you have a good DVM check your +5V, even better check it for noise with a scope. Check it at the Simms and at the power supply connector to the motherboard. If your simms have tin instead of gold connectors on them reseat them, I have seen a problem here too many times to mention. -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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