Adaptec 2930U2 problem followup
R.E.Wolff at BitWizard.nl
Mon Aug 7 11:18:44 PDT 2000
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.
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.)
** R.E.Wolff at BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
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