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

[Zhang Yi]

On 2021/7/2 20:38, Naresh Kamboju wrote:
> 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
> .
> 

Thanks for the report, I'm not test this patch on arm64 and powerpc,
and sorry about not catching this problem, I will fix it soon.

Yi.