On Tue, 19 Aug 2025 at 10:32, Thomas Munro <thomas.munro@gmail.com> wrote:
>
> I don't know if there are other ways that LWLockReleaseAll() can lead
> to persistent corruption that won't be corrected by crash recovery,
> but this one is probably new since the following commit, explaining
> the failure to reproduce on v17:
>
> commit bc22dc0e0ddc2dcb6043a732415019cc6b6bf683
> Author: Alexander Korotkov <akorotkov@postgresql.org>
> Date: Wed Apr 2 12:44:24 2025 +0300
>
> Get rid of WALBufMappingLock
>
> Any idea involving deferring the handling of PM death from here
> doesn't seem right: you'd keep waiting for the CV, but the backend
> that would wake you might have exited.
I revert this commit (these were conflicts but i resolved them) and
added assert for crit sections in WaitEventSetWait.
make check passes (without v2-0001 it fails)
--
Best regards,
Kirill Reshke