Date: Tue, 3 May 2005 16:35:46 +0200 From: Marc Olzheim <marcolz@stack.nl> To: Daniel Eischen <deischen@freebsd.org> Cc: freebsd-threads@freebsd.org Subject: Re: Floating point exceptions with -pthread Message-ID: <20050503143546.GA12678@stack.nl> In-Reply-To: <20050503140736.GF66132@stack.nl> References: <20050503110818.GA66132@stack.nl> <Pine.GSO.4.43.0505030953170.22622-100000@sea.ntplx.net> <20050503140029.GE66132@stack.nl> <20050503140736.GF66132@stack.nl>
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[-- Attachment #1 --] 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@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@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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCd4xCezjnobFOgrERAlN4AJwMNaHJ/NugloR5tfbm0G8SWrblJgCfTog1 lopWhfEb4FK+7fb8PTKWv/o= =O8mZ -----END PGP SIGNATURE-----
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