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From:   Tim Lewis <elatllat@gmail.com>
Date:   Sat, 13 Nov 2021 08:19:12 -0500
Message-ID: <CA+3zgmuJ5a_==NkV+x_JFr=zGN+FyUADot4mwNjJO=P4Q+VjZA@mail.gmail.com>
Subject: Re: [PATCH 5.10 00/21] 5.10.79-rc1 review
To:     Yang Shi <shy828301@gmail.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Naresh Kamboju <naresh.kamboju@linaro.org>,
        Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
        f.fainelli@gmail.com, torvalds@linux-foundation.org,
        open list <linux-kernel@vger.kernel.org>,
        lkft-triage@lists.linaro.org, patches@kernelci.org,
        stable@vger.kernel.org, pavel@denx.de, akpm@linux-foundation.org,
        jonathanh@nvidia.com, shuah@kernel.org, linux@roeck-us.net,
        Naoya Horiguchi <naoya.horiguchi@nec.com>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Hugh Dickins <hughd@google.com>,
        Matthew Wilcox <willy@infradead.org>,
        Oscar Salvador <osalvador@suse.de>,
        Peter Xu <peterx@redhat.com>
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> commit 8615ff6dd1ac9e01b6fcf0fc0652353f79f524ed
> Author: Yang Shi <shy828301@gmail.com>
> 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.