Re: [powerpc] Kernel crash with THP tests (next-20220920)

From: Sachin Sant
Date: Thu Sep 22 2022 - 08:54:10 EST




> On 22-Sep-2022, at 5:11 AM, Mike Kravetz <mike.kravetz@xxxxxxxxxx> wrote:
>
> On 09/21/22 12:00, Sachin Sant wrote:
>> While running transparent huge page tests [1] against 6.0.0-rc6-next-20220920
>> following crash is seen on IBM Power server.
>
> Thanks Sachin,
>
> Naoya reported this, with my analysis here:
> https://lore.kernel.org/linux-mm/YyqCS6+OXAgoqI8T@monkey/
>

Thanks Mike for the pointer.

> An updated version of the patch was posted here,
> https://lore.kernel.org/linux-mm/20220921202702.106069-1-mike.kravetz@xxxxxxxxxx/
>
This updated patch works for me. The test runs to completion without any
issues.

- Sachin