Floating point exceptions with -pthread
Marc Olzheim
marcolz at stack.nl
Tue May 3 07:35:53 PDT 2005
On Tue, May 03, 2005 at 04:07:36PM +0200, Marc Olzheim wrote:
> On Tue, May 03, 2005 at 04:00:29PM +0200, Marc Olzheim wrote:
> > > Yes, it should work fine. If you can verify the problem exists
> > > (or doesn't) on -current, that might help. It sounds like FPU
> > > context isn't getting saved/restored correctly in the kernel.
> >
> > I don't have a -current machine with HyperThreading... :-/
> >
> > But I mailed a test program in a different thread; perhaps somebody else
> > is willing to run it...
>
> Ah, found an SMP, non-HT machine running:
> FreeBSD office-install1.ilse.net 6.0-CURRENT FreeBSD 6.0-CURRENT #25: Mon Apr 25 18:40:45 CEST 2005 root at office-install1.ilse.net:/usr/obj/usr/src/sys/CRASH i386
>
> Which has exactly the same problem.
FYI:
FreeBSD snail.stack.nl 5.3-RELEASE-p9 FreeBSD 5.3-RELEASE-p9 #8: Fri Apr 15 12:46:13 CEST 2005 root at snail.stack.nl:/usr/obj/usr/src/sys/SNAIL i386
is safe.
And although it's a dual athlon MP, I don't think that that really
matters...
Marc
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