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Date:      Sat, 5 Oct 2002 15:12:48 -0400 (EDT)
From:      Daniel Eischen <eischen@pcnet1.pcnet.com>
To:        Peter Wemm <peter@wemm.org>
Cc:        "Brian F. Feldman" <green@FreeBSD.ORG>, German Tischler <tanis@gaspode.franken.de>, freebsd-current@FreeBSD.ORG, Daniel Eischen <deischen@FreeBSD.ORG>, Jonathan Mini <mini@FreeBSD.ORG>
Subject:   Re: SSE 
Message-ID:  <Pine.GSO.4.10.10210051511240.14226-100000@pcnet1.pcnet.com>
In-Reply-To: <20021005181632.28EC92A896@canning.wemm.org>

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On Sat, 5 Oct 2002, Peter Wemm wrote:
> "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.

There have been two commits since 1.539; what version of machdep.c
is being used?

-- 
Dan Eischen


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