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Re: RHEL 8.8 and derivatives: suspend and live migration issue
- To: David Morel <david.morel@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Fri, 9 Jun 2023 16:23:48 +0200
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Fri, Jun 09, 2023 at 04:07:54PM +0200, David Morel wrote:
> Hello,
>
> This mail is meant to be more of a summary plus a heads up, I don't think
> there is any action needed on it.
>
> A user reported [1] a crash when live migrating a VM running Rocky Linux
> 8.8. After investigation it appears to be happening:
> - for RHEL derivatives when migrating from 8.7 to 8.8.
> - on suspend/resume
> - on live migration
>
> With a callstack we provided, Roger Pau Monné quickly identified the
> issue as being the addition of:
> - x86/idt: Remove address operator on function machine_check() [2]
No, the above reference is incorrect, the issue is caused by the
backport of [0]:
06184325a1cc x86/idt: Annotate alloc_intr_gate() with __init
Without having backported the mentioned Xen commit (x86/xen: Split HVM
vector callback setup and interrupt gate allocation).
Regards, Roger.
[0]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=06184325a1cce27a02a688d98740f90fe06e0133
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