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Date: Thu, 31 Aug 2006 01:54:30 -0700
From: Andrew Morton <akpm@osdl.org>
Subject: Re: kernel BUG in __xfs_get_blocks at
 fs/xfs/linux-2.6/xfs_aops.c:1293!
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To: David Chinner <dgc@sgi.com>
Cc: Yao Fei Zhu <walkinair@cn.ibm.com>, linux-kernel@vger.kernel.org, haveblue@us.ibm.com, xfs@oss.sgi.com

On Thu, 31 Aug 2006 18:17:26 +1000
David Chinner <dgc@sgi.com> wrote:

> > BTW, I have CONFIG_PPC_64K_PAGES enabled.
> 
> But that might be a good place to start. Can you see if you can
> reproduce the problem without this config option set?

It would be useful to compare the compiler warning output for 64k pages
versus that for smaller-pages.  

Several quite worrisome-looking warnings are emitted from various parts of
the kernel with 64k pages.  Related to arithmetic on short types.