Date: Wed, 13 Aug 1997 11:10:47 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: julian@FreeBSD.ORG (Julian Elischer) Cc: hackers@FreeBSD.ORG Subject: Re: 2.2.2+ crash.. more info Message-ID: <199708130140.LAA11047@genesis.atrad.adelaide.edu.au> In-Reply-To: <199708130110.SAA21060@freefall.freebsd.org> from Julian Elischer at "Aug 12, 97 06:10:50 pm"
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Julian Elischer stands accused of saying: > > We have several hundred Bsd machines here.. we see this one enough for > me to recognise it.. > > the plot thickens.. > I have discovered the following: > 1/ the code that crashes: > scanning the queues in swithc: This looks a lot like the sort of crazy stuff I was seeing when I was doing Verboten things inside a 'fast' ISA interrupt handler. Do you have RI_FAST set for any of your drivers, particularly ones that you've written yourself? You could try ripping RI_FAST out ouf _all_ of the handlers you're using to start with and see if this cures things. > code examinations will follow with more info.. > if this strikes anyone as familiar, do chime in! Frighteningly. It took us the best part of a year just to get a stack trace that actually hinted at the problem. > julian -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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