Date: Mon, 24 Aug 1998 10:38:02 -0600 (MDT) From: "Kenneth D. Merry" <ken@plutotech.com> To: Lars.Koeller@post.uni-bielefeld.de (Lars =?iso-8859-1?Q?K=F6ller?=) Cc: freebsd-smp@FreeBSD.ORG, gibbs@FreeBSD.ORG, ken@plutotech.com Subject: Re: Freeze with SMP and CAM-19980712! Message-ID: <199808241638.KAA08882@panzer.plutotech.com> In-Reply-To: <199808240757.HAA27204@mitch.hrz.uni-bielefeld.de> from =?ISO-8859-1?Q?Lars_K=F6ller?= at "Aug 24, 98 09:57:42 am"
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Lars =?iso-8859-1?Q?K=F6ller?= wrote... > -------- > > Hello! > > I've installed the 3.0-CAM-19989712 on my Tyan Titan Pro (2x200 MHz > PPro, 64 MB RAM). The machine works fine, but instable! > > I stressed the machine a whole day by a loop of > > make -j 4 clean buildworld > > without any problems. A parallel 'dump 0' onto DAT, no problem. > But then a simple 'emacs /etc/crontab' or a simple desktop change, > or .... any other simple action, without any load on the machine > leads to a instantaneously freeze of the system (mouse locked, no > panic, no reboot, no kdb, ..., only a hard reset helps). One time > it dies during a simple kernel compile cycle. It's not deterministic > reproducible! > > After changing the RAM (replace the installed 64MB by another set, > adding further 64 MB, so all 8 slots are occupied), drop speed of > the BIOS RAM access time. I didn't believe in a hardware error, > perhaps one of the PPro caches are buggy, but in single Processor > mode I have never such problems (tested with both processors!). > > What can I do to further debug this problem, what information do you > need? Well, which SCSI controller do you have? Could you send a dmesg output? I'm not sure this is CAM related, but I suppose it's possible. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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