Re: [bug] userspace hitting sporadic SIGBUS on xfs (Power9, ppc64le), v4.19 and later

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Subject: Re: [bug] userspace hitting sporadic SIGBUS on xfs (Power9, ppc64le), v4.19 and later
From: Jan Stancek <jstancek@xxxxxxxxxx>
Date: Wed, 4 Dec 2019 09:43:04 -0500 (EST)
Cc: linux-xfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, darrick wong <darrick.wong@xxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, Memory Management <mm-qe@xxxxxxxxxx>, LTP Mailing List <ltp@xxxxxxxxxxxxxx>, Linux Stable maillist <stable@xxxxxxxxxxxxxxx>, CKI Project <cki-project@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>
In-reply-to: <20191203190925.GA5150@infradead.org>
References: <cki.6C6A189643.3T2ZUWEMOI@redhat.com> <1738119916.14437244.1575151003345.JavaMail.zimbra@redhat.com> <8736e3ffen.fsf@mpe.ellerman.id.au> <1420623640.14527843.1575289859701.JavaMail.zimbra@redhat.com> <1766807082.14812757.1575377439007.JavaMail.zimbra@redhat.com> <20191203190925.GA5150@infradead.org>

----- Original Message -----
> Please try the patch below:

I ran reproducer for 18 hours on 2 systems were it previously reproduced,
there were no crashes / SIGBUS.

References:
- [bug] userspace hitting sporadic SIGBUS on xfs (Power9, ppc64le), v4.19 and later
  - From: Jan Stancek
- Re: [bug] userspace hitting sporadic SIGBUS on xfs (Power9, ppc64le), v4.19 and later
  - From: Christoph Hellwig

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