-next boot failures during KVM setup

Mark Brown broonie at kernel.org
Tue Jun 9 01:36:18 PDT 2026


On Mon, Jun 08, 2026 at 04:27:53PM -0700, Nathan Chancellor wrote:
> On Mon, Jun 08, 2026 at 10:56:12PM +0200, Ard Biesheuvel wrote:

> > Given we're at -rc7, I'd lean towards dropping the whole branch for now, or
> > alternatively, only drop/revert "arm64: mm: Unmap kernel data/bss entirely from the 
> > linear map" (and its followup fix "arm64: mm: Defer remap of linear alias of
> > data/bss") so that the region always remains readable via the linear map.

> FWIW, I can confirm that "arm64: mm: Unmap kernel data/bss entirely from
> the linear map" is the culprit for this particular issue based on my
> bisect. Reverting those two changes on top of next-20260608 avoids the
> issue.

Yes, same result here.
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