Re: [Xen-ia64-devel] RE: [PATCH 0/5] fix fpswa and related issues.

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Wed, Dec 10, 2008 at 10:43:01AM -0700, Alex Williamson wrote:
> On Tue, 2008-12-09 at 21:23 -0700, Alex Williamson wrote:
> > On Wed, 2008-12-10 at 10:51 +0800, Zhang, Xiantao wrote: 
> > > > I've been testing this for a few hours today (over 25k iterations)
> > > and
> > > > it seems to fix the problem for me.  Thanks!
> > > 
> > > Hi, Alex
> > >         Have you verified vmx domain as well ? 
> > 
> > Good point, no I was just testing in dom0.
> 
> Adding in Isaku's last patch and testing on an HVM domain, it doesn't
> take long to hit problems.  4-way/4G HVM guest running 4 instances of
> the test program in parallel will eventually get this in the guest
> kernel:
> 
> handle_fpu_swa: fp_emulate() returned -1
> 
> and the test program gets killed with a SIGFPE.

Just to make sure. Is fpswa.efi installed in hvm domain?
You can also confirm it by dh command in efi shell.

-- 
yamahata

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