linux-ext4 - Re: [mainline] [arm64] Internal error: Oops

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Date:   Fri, 2 Jul 2021 11:49:43 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        regressions@...ts.linux.dev,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-ext4 <linux-ext4@...r.kernel.org>,
        Ritesh Harjani <riteshh@...ux.ibm.com>,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        Theodore Tso <tytso@....edu>, lkft-triage@...ts.linaro.org,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jens Axboe <axboe@...nel.dk>, Zhang Yi <yi.zhang@...wei.com>
Subject: Re: [mainline] [arm64] Internal error: Oops - percpu_counter_add_batch

On Fri, Jul 2, 2021 at 1:24 AM Naresh Kamboju <naresh.kamboju@...aro.org> wrote:
>
> The git log short summary between good and bad.

Ity would have been really good to have a full bisect.

But from another report:

    https://lore.kernel.org/lkml/87ade24e-08f2-5fb1-7616-e6032af399a3@nvidia.com/

 it seems to be commit 4ba3fcdde7e3 ("jbd2,ext4: add a shrinker to
release checkpointed buffers"):

Ted, when there is a fix for this, it would be interesting to see what
made this all work fine on x86-64 but fail elsewhere...

         Linus