Message-ID: <4B2F20E0.30804@kernel.org>
Date: Mon, 21 Dec 2009 16:16:48 +0900
From: Tejun Heo <tj@kernel.org>
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To: Tim Blechmann <tim@klingt.org>
CC: linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, x86@kernel.org
Subject: Re: 2.6.32 regression: unable to handle kernel paging request
References: <4B269765.1070703@klingt.org> <4B2A2A7D.1050506@klingt.org> <4B2A93F2.3070407@klingt.org> <4B2AFBB1.3040609@kernel.org> <4B2B4838.6080509@klingt.org>
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On 12/18/2009 06:15 PM, Tim Blechmann wrote:
>>>> trying to bisect the kernel tree,
>>>> 405d967dc70002991f8fc35c20e0d3cbc7614f63 seems to be the first bad commit.
>>>> during bisecting, i recorded several boot logs, which are attached.
>>>
>>> removing module-common.lds from LDFLAGS_MODULE, my machine boots fine
>>> and without any error messages:
>>
>> Looks like some necessary part of module image ends up in discarded
>> sections.  Before the commit, the build process kept those sections so
>> it worked.  The code has been there for some time now and you're the
>> first one to report it, so I suppose your .config is a bit different
>> from more usual ones.  Can you please attach it?
> 
> it is not too different ... it is based on the .config file of the
> ubuntu kernel with a few tweaks ...
> one odd thing is, that i once was able to boot 2.6.32-rcX kernels, at
> one point, i kept getting these bug messages ... i didn't (knowingly)
> change the configuration, though ...

Hmmm... weirdly I can't reproduce the problem here with the same
config.  Can you please attach "readelf -a lp.ko" with and without the
module-common.lds struck out?

Thanks.

-- 
tejun
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