On Fri, Jul 2, 2021 at 1:24 AM Naresh Kamboju [off-list ref] 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/ (local)

 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