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Re: port-xen/30977: FPU troubles



On Wed, Nov 23, 2005 at 01:47:04PM +0100, Manuel Bouyer wrote:
> On Wed, Nov 23, 2005 at 08:15:04AM +1100, Paul Ripke wrote:
> > I've finally got around to trying xen (NetBSD-3.0BETA, xen 2.0.7) and
> > have run into this PR in DOM0.
> > 
> > First sign was xearth coredumping on login. Next was only "clicking"
> > from xmms, and I've had xpdf core, too.
> > 
> > A little debugging shows that the FPU state is not being correctly
> > saved or restored during "some" context switches. The following code
> > appears to exhibit the behaviour reliably:
[...]
> Index: i386/machdep.c
> ===================================================================

ogg123 is happier with this, but still not perfect.

gkrellm, OTOH, is really not happy with it.

-- 
Quentin Garnier - cube%cubidou.net@localhost - cube%NetBSD.org@localhost
"When I find the controls, I'll go where I like, I'll know where I want
to be, but maybe for now I'll stay right here on a silent sea."
KT Tunstall, Silent Sea, Eye to the Telescope, 2004.

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