Date: Fri, 08 Oct 1999 09:22:52 -0700 From: Stevan Arychuk <sa-list@avantgo.com> To: dg@root.com Cc: FreeBSD-hackers@FreeBSD.ORG, FreeBSD-stable@FreeBSD.ORG Subject: Re: SMP + fxp0 wierdness Message-ID: <37FE1A5C.9170A987@avantgo.com> References: <199910080454.VAA06681@implode.root.com>
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Thanks for your response David. Do you think the problem is isolated to just the onboard devices? Would a PCI NIC help or is it the entire N440BX board? Regards, Stevan Arychuk AvantGo Inc. stevan@avantgo.com David Greenman wrote: > > >We're running 3.3-REL on dual processor PII-450's, with a N440BX > >motherboard, using the onboard EtherExpress Pro (fxp) NIC and 512MB RAM. > > > >These machines are running custom software that excercises the disk, CPU > >and network quite heavily. The SMP machines seem to have both "fxp0: > >device timeout" problems, and spontaneous reboots. We were uable to get > >a working savecore until now, and have traced the reboots back to the > >fxp driver as well. Here are the debug outputs, and any custom changes > >to our kernel config. > > > >Could this be a problem with SMP + fxp combination? Any other thoughts > >or ideas? > > > >We've serached, and read, and searched all the FAQ's for both of these > >problems, and have pretty well come up empty. Suggestions for the next > >course of action? > > > >Thanks in advance for anyones help. > > There is some kind of hardware problem with the Intel N440BX motherboard > that is causing memory corruption during the DMA. This is the third nearly > identical report I've gotten about it. It does not appear to be a FreeBSD > bug and so far only occurs when using the N440BX. You might try messing with > the BIOS options and see if changing any of the DMA related settings will > make the problem go away...I'd be very interested in the results. > > -DG > > David Greenman > Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org > Creator of high-performance Internet servers - http://www.terasolutions.com > Pave the road of life with opportunities. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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