linux-kernel - Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

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Message-ID: <6cd92b22-742d-f6d5-5b6a-180884fbbf20@linux.ee>
Date:   Tue, 19 Feb 2019 15:49:27 +0200
From:   Meelis Roos <mroos@...ux.ee>
To:     Jan Kara <jack@...e.cz>
Cc:     "Theodore Y. Ts'o" <tytso@....edu>, linux-alpha@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, linux-block@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

> Thanks for information. Yeah, that makes somewhat more sense. Can you ever
> see the failure if you disable CONFIG_TRANSPARENT_HUGEPAGE?
HAVE_ARCH_TRANSPARENT_HUGEPAGE [=n]

Seems there is no THP on alpha.

> Because your
> findings still seem to indicate that there' some problem with page
> migration and Alpha (added MM list to CC).

But my kernel config had memory compaction (that turned on page migration) and
bounce buffers. I do not remember why I found them necessary but I will try
without them.

-- 
Meelis Roos <mroos@...ux.ee>