Date: Mon, 7 Aug 2000 20:18:16 +0200 (MEST) From: R.E.Wolff@BitWizard.nl (Rogier Wolff) To: Doug Ledford <dledford@redhat.com> Cc: Bob_Tracy <rct@gherkin.sa.wlk.com>, aic7xxx@FreeBSD.ORG, linux-kernel@vger.rutgers.edu Subject: Re: Adaptec 2930U2 problem followup Message-ID: <200008071818.UAA29163@cave.bitwizard.nl> In-Reply-To: <398EC597.BB9E1220@redhat.com> from Doug Ledford at "Aug 7, 2000 10:20:07 am"
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Doug Ledford wrote: > Bob_Tracy wrote: > > > > Been having problems with an Adaptec 2930U2 card in my machine at > > the house. Naturally, it works fine with Win95. The problem has > > been shown to be something peculiar to my motherboard after looking > > at many test scenarios over the past several days. Basically, > > there's no interrupt activity corresponding to the 2930U2 that > > either Linux or FreeBSD can see. This results in an infinite > > timeout/reset loop during driver initialization. > > This is usually only a problem on SMP motherboards. In that case, I tell > people to boot the kernel with the option noapic and see if it helps the > problem. In any case, linux isn't reading your IRQ routing information > properly either due to a linux bug or a buggy BIOS. You could bring this > problem up to Ingo Molnar if this is an SMP motherboard *and* noapic helps, or > bring it up to Martin Mares otherwise since it would likely be a PCI problem. Doug, If it's the IRQ routing stuff, then the symptoms would be consistent with: "But 2.0 worked just fine on this machine", right? I have a client with exaclty the same problem, and the "but 2.0 works" hint. (IBM machine by the way.) Roger. -- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 ** *-- BitWizard writes Linux device drivers for any device you may have! --* * Common sense is the collection of * ****** prejudices acquired by age eighteen. -- Albert Einstein ******** To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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