Re: Oops for sale

Gerd Hoffmann
2008-06-09T16:54:08Z

Avi Kivity wrote:
> The unshadow-on-userspace-access heuristic is broken. Since it is also
> bad for Xenner, try removing the following lines:
>
> spte |= PT_WRITABLE_MASK;

Well, that line should better not be removed. I get a hang otherwise,
guess due to running into a page-fault loop ...

> if (user_fault) {
> mmu_unshadow(vcpu->kvm, gfn);
> goto unshadowed;
> }

Deactivating those four lines fixed it.

thanks,
Gerd

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