Re: Panic when loading kvm-amd.ko

["Joerg Roedel" <joerg.roedel-5C7GfCeVMHo@public.gmane.org>]

On Sun, Jun 17, 2007 at 09:31:15PM +0300, Avi Kivity wrote:
> Michael Hanselmann wrote:
> >
> >> I suggest trying the same, as well as a bios upgrade.
> >>     
> >
> > Unfortunately, the BIOS doesn't allow me to configure anything like that
> > and it's already the latest version released by HP. However, EFER.SVME
> > isn't set before enabling it (checked using "rdmsrl(MSR_EFER, efer);
> > printk(KERN_CRIT "DBG %d\n", efer & MSR_EFER_SVME_MASK);"). Since I'm
> > completly out of ideas, is there anything more I could do?
> >   
> 
> Maybe the AMD folk have a clue?

I proofed that the GPF results from EFER.SVME being set to 1. This is a
strong indicator that SVM is disabled by the BIOS. With the help of
Michael I try to proof that tomorrow too. The has_svm code will need an
update to handle those situations. I will submit a patch.

Regards,

Joerg

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