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Date: Fri, 01 Sep 2006 14:01:35 -0700
From: Badari Pulavarty <pbadari@...ibm.com>
To: Andrew Morton <akpm@...l.org>
Subject: Re: [RFC][PATCH] set_page_buffer_dirty should skip unmapped buffers
Andrew Morton wrote:
> On Fri, 01 Sep 2006 09:32:22 -0700
> Badari Pulavarty <pbadari@...ibm.com> wrote:
>
>
>>>> Kernel BUG at fs/buffer.c:2791
>>>> invalid opcode: 0000 [1] SMP
>>>>
>>>> Its complaining about BUG_ON(!buffer_mapped(bh)).
>>>>
>
> I need to have a little think about this, remember what _should_ be
> happening in this situation.
>
> We (mainly I) used to do a huge amount of fsx-linux testing on 1k blocksize
> filesystems. We've done something to make this start happening. Part of
> resolving this bug will be working out what that was.
>
Here is the progress in tracking this down so far.
I am able to reproduce the problem on following kernel versions.
2.6.18-rc5
2.6.18-rc4
2.6.17.11
2.6.16.28
2.6.15.7
2.6.14.7
I am yet to find a latest kernel version - where this works :(
I am going to try older versions of the kernel.
Thanks,
Badari
--
VGER BF report: H 3.60822e-15
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