From: Andi Kleen <andi@firstfloor.org>
To: David Miller <davem@davemloft.net>
Cc: byron.bbradley@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: XFS Fails Quality Assurance Tests on ARM
Date: 02 Sep 2007 00:14:38 +0200 [thread overview]
Message-ID: <p73ps12vxrl.fsf@bingen.suse.de> (raw)
In-Reply-To: <20070830.213901.48806818.davem@davemloft.net>
David Miller <davem@davemloft.net> writes:
> From: Byron Bradley <byron.bbradley@gmail.com>
> Date: Fri, 31 Aug 2007 03:12:46 +0000 (UTC)
>
> > Anybody got any ideas of how we fix this?
>
> I don't know how much testing XFS gets on ARM, but one thing that some
> ARM chips have is D-cache aliasing problems and one thing XFS uses a
> lot is virtual remapping of various data structures via vmap().
>
> This might be what is causing the problems.
AFAIK XFS uses vmap() mainly during log replay. If David's theory
was true then the failures must be seen during tests that do
this.
-Andi
next prev parent reply other threads:[~2007-09-01 22:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-31 3:12 XFS Fails Quality Assurance Tests on ARM Byron Bradley
2007-08-31 4:39 ` David Miller
2007-09-01 22:14 ` Andi Kleen [this message]
2007-09-27 21:40 ` Nick Piggin
2007-10-02 7:38 ` David Chinner
2007-10-30 5:47 ` Eric Sandeen
2007-10-30 17:54 ` Christoph Hellwig
2007-10-30 18:14 ` Eric Sandeen
2007-10-30 21:38 ` David Miller
2008-03-18 3:41 ` Eric Sandeen
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