On Thu, 2 Dec 2021, Yazen Ghannam wrote:

I believe the large number of GHES structures you have are intended to be used
for the ACPI "GHES_ASSIST" feature. The GHES structures in this case are not
to be used as independent sources. However, this feature is not implemented
yet in Linux, so the kernel does set up these GHES structures as independent
error sources.

Yes, our HEST has "GHES Assist: 1". But it is disappointing those sources have
"Polled" type, ACPI allocated eight bits for the type, and only 12 types are
registered so far, so it's not like they were running out of space to designate
a separate type for this kind of sources.

[snip increasing polling interval]

Ultimately, I think we'd want the kernel to ignore the GHES structures used
for GHES_ASSIST, and then GHES_ASSIST support can be implemented and used
where appropriate.

I can send a patchset for ignoring the structures. This would be setup for
another set than can fully implement the GHES_ASSIST feature. Would you be
willing to test out that first set to see if it resolves the issue?

Sure, please Cc me on the patches.

Alexander