Date: Fri, 7 Jun 2002 16:44:29 -0700 (PDT) From: Frank Mayhar <frank@exit.com> To: David Schultz <dschultz@uclink.Berkeley.EDU> Cc: Alain Fauconnet <alain@cscoms.net>, freebsd-stable@FreeBSD.ORG Subject: Re: Numerous hard hangs on TWO different ASUS P4T-E w/P4 1.6G Message-ID: <200206072344.g57NiTwD033645@realtime.exit.com> In-Reply-To: <20020607143308.A1030@HAL9000.wox.org>
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David Schultz wrote: > Don't rule out hardware problems until you've tried a different model > motherboard. Some old ASUS boards have a problem where, under intense > memory load, the voltage drops below the signalling threshhold and the > box locks up as you've described. (ASUS won't readily admit to this > or any of the other bugs in their boards, but ask them why they did > the third revision to the P2B-F.) That's just an example, but the > point is that both of your P4T-Es could have the same bug. Well, considering that many different people are seeing this on different hardware (I have in fact seen it on two different motherboards, a Tyan Thunder 2500 with dual PIIIs and my current 2466N-4M with dual AMD MPs, different SCSI controllers, too), I think it must be some new bug in FreeBSD. Perhaps in the interrupt handling? I don't really know where to begin to look; if someone could suggest some places, that would be very useful. So far, none of the various suggestions have made any difference at all. I have yet to turn off my IDE and parallel port to get IRQs back, I'll do that this weekend. -- Frank Mayhar frank@exit.com http://www.exit.com/ Exit Consulting http://www.gpsclock.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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