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SubjectRe: Freeze on FPU exception with Athlon
Markus Schoder wrote:
>
> --- Linus Torvalds <torvalds@transmeta.com> schrieb: >
>
> >
> > On Sat, 18 Nov 2000, adrian wrote:
> >
> > >
> > >
> > > On Sat, 18 Nov 2000, Linus Torvalds wrote:
> > >
> > > > There's almost certainly more than that. I'd
> > love to have a report on my
> > > > asm-only version, but even so I suspect it also
> > requires the 3dnow stuff,
> > >
> > > I tried all three versions, and no freezes. I
> > forgot to mention the tests
> > > were run on a model 2 Athlon (original slot K7,
> > .18 micron). The kernel
> > > is compiled with 3dnow support.
> >
> > Apparently it isn't the stepping, as we have Athlon
> > model 4's both showing
> > it and not showing it. The motherboard seems to be
> > the only real
> > difference here, which is why I like the irq13
> > explanation more and more.
> >
> > I've been wanting to get rid of irq13 anyway (some
> > boards wire up USB
> > and/or ACPI to irq13 and the fact that the FPU has
> > claimed it makes those
> > machines unhappy), so if the solution is to only
> > check for irq13 on old
> > i386 and i486sx machines and just leave it alone for
> > newer CPU's, I won't
> > complain.
> >
> > Markus, can you make the irq13 test the first thing
> > - don't worry about
> > 3dnow as that seems to not be a deciding factor..
> >
> > Linus
> >
>
> Ok, that was it! It's IRQ 13. Guess I should have
> tried that first. Now everything works perfectly.
> Thanks everybody.

What motherboard do you have? I can't reproduce this on my FIC SD11.

--

Brian Gerst
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