Re: [BUG] kvm: guest can not startup due to triple fault

Avi Kivity
2010-10-18T13:46:23Z

On 10/18/2010 03:45 PM, Dave Young wrote:
> On Mon, Oct 18, 2010 at 03:26:30PM +0200, Avi Kivity wrote:
> > On 10/18/2010 02:58 PM, Dave Young wrote:
> > >>
> > >> It's secondary_startup_64 enabling efer.sce and efer.nx.
> > >>
> > >> Dave, please post your /proc/cpuinfo. Is your host running with NX
> > >> disabled?
> > >
> > >I see nx bit in /proc/cpuinfo, Actually I don't know how to disable it.
> >
> > Strange.
> >
> > Please patch arch/x86/kvm/x86.c to printk efer_reserved_bits (a
> > global), efer (an argument) and old_efer (a local), and post the
> > results.
>
> I add printk before kvm_mmu_reset_context(vcpu), correct? get following value:
>

Add it at the beginning please, otherwise we'll miss the important one
due to an early return.

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