Re: 6.10/bisected/regression - commit 8430557fc584 cause warning at mm/page_table_check.c:198 __page_table_check_ptes_set+0x306

Peter Xu
2024-05-21T21:37:17Z

On Wed, May 22, 2024 at 01:48:36AM +0500, Mikhail Gavrilov wrote:
> On Wed, May 22, 2024 at 1:45 AM Peter Xu <peterx@redhat.com> wrote:
> >
> >
> > Did you forget to attach the kernel config? If so, please attach it, I'll
> > try that, as my local config won't reproduce with CONFIG_DEBUG_VM_PGTABLE=y.
> >
>
> Oh, sorry.
> Now I've definitely attached it.

Hmm I still cannot reproduce. Weird.

Would it be possible for you to identify which line in debug_vm_pgtable.c
triggered that issue?

I think it should be some set_pte_at() but I'm not sure, as there aren't a
lot and all of them look benign so far. It could be that I missed
something important.

Thanks,

--
Peter Xu