Bug#1011168: linux-image-5.17.0-2-amd64: rebooting KVM guest crashes kernel

[Salvatore Bonaccorso <carnil@debian.org>]

Control: tags -1 + moreinfo

On Sat, May 28, 2022 at 05:26:24PM -0400, Jon wrote:
> I found a matching issue on the Arch Linux forum:
> 
> https://bbs.archlinux.org/viewtopic.php?id=276648
> 
> Which ultimately links to this discussion on one of the kernel mailing
> lists:
> 
> https://lore.kernel.org/kvm/YnHALvjWw6E94K53@google.com/
> https://lore.kernel.org/kvm/20220504001219.983513-1-seanjc@google.com/
> 
> And this commit:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d187ba5312307d51818beafaad87d28a7d939adf
> 
> I haven't tested a custom build with the patch applied but I can confirm
> that the server that I have crashing is an older box with an Intel Xeon
> E5645 CPU that lacks XSAVE.
> 
> And now that bug 1010916 has an updated backtrace attached its clear
> that it is the same issue as this one.

Can you try a custom build with the patch applied to report back if it
fixes your issue?

Cf. https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s4.2.2

Regards,
Salvatore