linux-kernel - Re: kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs

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Message-Id: <20060831015430.6df0d8ba.akpm@osdl.org>
Date:	Thu, 31 Aug 2006 01:54:30 -0700
From:	Andrew Morton <akpm@...l.org>
To:	David Chinner <dgc@....com>
Cc:	Yao Fei Zhu <walkinair@...ibm.com>, linux-kernel@...r.kernel.org,
	haveblue@...ibm.com, xfs@....sgi.com
Subject: Re: kernel BUG in __xfs_get_blocks at
 fs/xfs/linux-2.6/xfs_aops.c:1293!

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