[mainline] [arm64] Internal error: Oops - percpu_counter_add_batch

[Naresh Kamboju]

On Fri, 2 Jul 2021 at 13:54, Naresh Kamboju <naresh.kamboju at linaro.org> wrote:
>
> Results from Linaro’s test farm.
> Regression found on arm64 on Linux mainline tree.

Regression found on arm64, arm and i386 on Linux mainline tree.
But x86_64 tests PASS.

>
> The following kernel crash was noticed while running LTP fs_fill test case on
> arm64 devices Linus ' mainline tree (this is not yet tagged / released).
>
> This regression  / crash is easy to reproduce.
>
> fs_fill.c:53: TINFO: Unlinking mntpoint/thread6/file2
> fs_fill.c:87: TPASS: Got 6 ENOSPC runtime 3847ms
> [ 1140.055715] Unable to handle kernel paging request at virtual
> address ffff76a8a6b59000

ref;
https://lore.kernel.org/regressions/CA+G9fYuBvh-H8Vqp58j-coXUD8p1A6h2it_aZdRiYcN2soGNdg@mail.gmail.com/T/#u

- Naresh