Re: Linux PV domU with >1 vCPU never resumes after xl save/restore

On Tue, Aug 4, 2026 at 6:02 PM Jan Beulich <[email protected]> wrote:

> On 04.08.2026 08:12, George Dunlap wrote:
> > Saving and restoring a multi-vcpu PV guest appears to have been broken in
> > Linux for some time (observed 6.6.56 and 6.12.86).  Report below from
> > Claude Fable; I've independently verified the behavior on vanilla Linux
> > 6.6.56.  Claude seems to think it's a bug in Linux.
>
> Just to double check, as there was a crucial fix there recently: This is
> with
> a Xen including bedbc17d8407 ("x86/domctl: restore all registers in
> arch_{get,set}_info_guest()")?
>

Ah, yes, that seems to have done the trick.  Sorry for he noise.

 -George