Date: Wed, 5 Feb 1997 11:48:39 +1030 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: mcgovern@spoon.beta.com (Brian J. McGovern) Cc: toor@dyson.iquest.net, hackers@freebsd.org, questions@freebsd.orgb Subject: Re: Cyclades driver causes kernel panic (more info) Message-ID: <199702050118.LAA18295@genesis.atrad.adelaide.edu.au> In-Reply-To: <199702042356.SAA02856@spoon.beta.com> from "Brian J. McGovern" at "Feb 4, 97 06:56:08 pm"
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Brian J. McGovern stands accused of saying: > Just a couple of FYI's I think I may have left out. Firstly, these are the PCI > version cards. Secondly, it appears (having thought more on the drive > home) that the delimitation between 'works' and 'doesnt work' seems to be > around the 16MB barrier (for instance, my home pentium, were it does work, > is a P100 that reports (between base and XMS) just _UNDER 16MB_. I'm assuming > its due to the fact that its remapping part of it for other uses. All > the machines that don't seem to work have more (usually 32+MB), or report > 16MB on startup (doesn't seem to remap memory). Then again, this could be > hogwash. There was some chatter about this a while back. Where do you have the memory aperture for the cards mapped? Also make sure you have all the 'shadow' and 'cacheable' stuff turned off for the memory region(s) where you have the cards mapped. I also seem to recall a commit recently to do with the PCI Cyclades, but I can't find it in the logs, so perhaps my brain is failing 8( > -Brian -- ]] 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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