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

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Message-Id: <5B4296E1-922B-4B01-A16D-CB427761FD2E@linux.ibm.com>
Date:   Thu, 22 Sep 2022 18:23:04 +0530
From:   Sachin Sant <sachinp@...ux.ibm.com>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>, linux-mm@...ck.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [powerpc] Kernel crash with THP tests (next-20220920)



> On 22-Sep-2022, at 5:11 AM, Mike Kravetz <mike.kravetz@...cle.com> 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@oracle.com/
> 
This updated patch works for me. The test runs to completion without any
issues.

- Sachin