Re: [PATCH v1 0/2] x86/amd_node: harden amd_smn_init() against Xen dom0 topology

[Jiaqing Zhao]

Hi, Yazen

On 2026-05-19 22:10, Yazen Ghannam wrote:
> On Thu, May 07, 2026 at 04:37:43PM +0800, Jiaqing Zhao wrote:
>> This amd_smn_init div0 oops is also observed on 6.19.14+deb14 (Debian testing)
>> and 6.18.27. Given that 6.18 is LTS, suggesting `Cc: stable@xxxxxxxxxxxxxxx`
>> to get it backported.
>>
> 
> Hi Jiaqing,
> 
> So is the issue observed with the latest mainline kernel?
> 
> Or only with v6.19 and before?

It is observed with both latest mainline and v6.18/6.19. The issue comes with
commit 0a4b61d9c2e49 ("x86/amd_node: Fix AMD root device caching").

Thanks,
Jiaqing

> Thanks,
> Yazen