Re: Problems with CONFIG_KVM_GUEST?

[Avi Kivity]

On 08/02/2009 06:32 PM, Theodore Tso wrote:
> On Sun, Aug 02, 2009 at 12:38:59PM +0300, Avi Kivity wrote:
>    
> > (Adding ccs)
> >
> > On 08/02/2009 12:26 AM, Theodore Tso wrote:
> >      
> > > Using the XFS QA regression test suites to test ext4, I reliably get
> > > lock-ups and OOPS's with I run a kernel using KVM with
> > > CONFIG_KVM_GUEST configured.  This is with 2.6.31-rc3 and 2.6.31-rc4.
> > >
> > > The problems disappear if I turn off CONFIG_KVM_GUEST; the XFS tests
> > > run without problem to completion once I turn this configuration
> > > option off.  That's what I'll do for now, but if someone could look
> > > into this, I'd appreciate it.
> > >
> > >        
> > Is this a PAE mode guest?
> >      
>
> Yes, it is.  Here's the config (with CONFIG_KVM_GUEST turned off, but
> otherwise what I had testing with).
>
>    

What's the host kernel version?

We had problems with CONFIG_KVM_GUEST and PAE which were resolved in 
2.6.30-final but perhaps failed to trickle down to whatever you're 
using.  The upstream commit is a8cd0244 ("KVM: Make paravirt tlb flush 
also reload the PAE PDPTRs").

--
error compiling committee.c: too many arguments to function

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