[Bug 216373] New: Uncorrected errors reported for AMD GPU

[Christian König]

Am 25.08.22 um 08:40 schrieb Stefan Roese:
> On 24.08.22 16:45, Tom Seewald wrote:
>> On Wed, Aug 24, 2022 at 12:11 AM Lazar, Lijo <lijo.lazar at amd.com> wrote:
>>> Unfortunately, I don't have any NV platforms to test. Attached is an
>>> 'untested-patch' based on your trace logs.
>>>
>>> Thanks,
>>> Lijo
>>
>> Thank you for the patch. It applied cleanly to v6.0-rc2 and after
>> booting that kernel I no longer see any messages about PCI errors. I
>> have uploaded a dmesg log to the bug report:
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugzilla.kernel.org%2Fattachment.cgi%3Fid%3D301642&data=05%7C01%7Cchristian.koenig%40amd.com%7Cd55a659245b24864bd2d08da8664ae2d%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637970065087671063%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000%7C%7C%7C&sdata=vbhJ9OB0jIYr%2FRkDIbQHhRRqhyklnnHOT9Xi8z17MYY%3D&reserved=0 
>>
>
> I did not follow this thread in depth, but FWICT the bug is solved now
> with this patch. So is it correct, that the now fully enabled AER
> support in the PCI subsystem in v6.0 helped detecting a bug in the AMD
> GPU driver?

It looks like it, but I'm not 100% sure about the rational behind it.

Lijo can you explain more on this?

Thanks,
Christian.

>
> Thanks,
> Stefan