Re: Problem with global pages changeset and kvm

From: Thadeu Lima de Souza Cascardo
Date: Tue May 08 2018 - 10:27:09 EST


On Tue, May 08, 2018 at 07:15:06AM -0700, Dave Hansen wrote:
> Thanks for the excellent bug report!
>
> On 05/08/2018 02:37 AM, Thadeu Lima de Souza Cascardo wrote:
> > 2) The bad address is next to do_syscall_64 on the host.
>
> So a host address leaked into a guest oops?
>
> We should bring the KVM folks into this and probably also need to widen
> the cc list quite a bit.
>
> Can you boot the guest at all?

No, there are multiple oopses, the last one includes init, which makes the
guest panic. I can boot it if I add nopti to the guest command line.

Cascardo.