Re: [PATCH 5.10 00/21] 5.10.79-rc1 review

From: Tim Lewis
Date: Sat Nov 13 2021 - 08:19:26 EST


> commit 8615ff6dd1ac9e01b6fcf0fc0652353f79f524ed
> Author: Yang Shi <shy828301@xxxxxxxxx>
> Date: Thu Oct 28 14:36:11 2021 -0700
>
> mm: filemap: check if THP has hwpoisoned subpage for PMD page fault
>
> commit eac96c3efdb593df1a57bb5b95dbe037bfa9a522 upstream.

For the sake of testing,
other than this breaking systemd-journal,
postgresql is another service that would hang forever with 100% CPU,
on arm64 (odroid-c4) using Ubuntu 20.04.