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SubjectRe: 5.0-rc1 KVM inspired "BUG: Bad page state in process" spew
On Sat, Jan 12, 2019 at 07:43:02AM +0100, Mike Galbraith wrote:
> On Wed, 2019-01-09 at 11:26 -0800, Sean Christopherson wrote:
> >
> > I'll try to bisect.
> Good luck with that. I gave it a go, but that apparently invalidated
> the warrantee of my vm image :)

This is fixed in v5.0-rc2 by commit ba422731316d ("mm/mmu_notifier:
mm/rmap.c: Fix a mmu_notifier range bug in try_to_unmap_one").

Nested VMs are great for bisecting KVM issues :)

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