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SubjectRe: Freeze on FPU exception with Athlon

--- 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.

--
Markus

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