Date: Fri, 7 Jun 2002 21:36:22 -0700 From: David Schultz <dschultz@uclink.Berkeley.EDU> To: Frank Mayhar <frank@exit.com> 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: <20020607213622.A409@HAL9000.wox.org> In-Reply-To: <200206072344.g57NiTwD033645@realtime.exit.com>; from frank@exit.com on Fri, Jun 07, 2002 at 04:44:29PM -0700 References: <20020607143308.A1030@HAL9000.wox.org> <200206072344.g57NiTwD033645@realtime.exit.com>
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Thus spake Frank Mayhar <frank@exit.com>: > 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. Ah, I see that later in the thread. Ok, *now* you can rule out a hardware problem. My theory wouldn't have accounted for the temporary lockups described later anyway. The only time I have ever seen that sort of thing is when transferring lots of data over a parallel port. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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