Date: Sat, 05 Oct 2002 11:16:32 -0700 From: Peter Wemm <peter@wemm.org> To: "Brian F. Feldman" <green@FreeBSD.org> Cc: German Tischler <tanis@gaspode.franken.de>, freebsd-current@FreeBSD.org, Daniel Eischen <deischen@FreeBSD.org>, "David O'Brien" <obrien@FreeBSD.org>, Jonathan Mini <mini@FreeBSD.org> Subject: Re: SSE Message-ID: <20021005181632.28EC92A896@canning.wemm.org> In-Reply-To: <200210051732.g95HWDit012444@green.bikeshed.org>
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"Brian F. Feldman" wrote:
> "Brian F. Feldman" <green@FreeBSD.org> wrote:
> > German Tischler <tanis@gaspode.franken.de> wrote:
> > > Hi.
> > >
> > > I can panic my current system compiled from sources of yesterday
> > > by just starting mozilla or ogg123 <ogg-file> if I don't include
> > > options CPU_DISABLE_SSE
> > > in my kernel configuration file. Is anyone else seeing any
> > > SSE code related problems ? (P III based SMP system here)
> >
> > I seem to have the same problem on my currently-UP Athlon system, whether o
r
> > not SSE is enabled; I'm trying to track it down...
>
> On further reflection, this DEFINITELY has to do with the work done on
> npx(4)/signals/etc. in the past week. I _must_ be getting a GPF because the
> fpu state that it's attempting to restore is corrupt (i.e.: the control word
> is incorrect), so something is not being initialized somewhere that it used
> to be, or is being initialized incorrectly.
The last few commits to machdep.c bother me, rev 1.539 in particular.
If you are in a position to be able to quickly test it, it would be great
to know if backing out the last few changes fixes this, and which change in
particular.
Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5
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