Re: 2.6.32 regression: unable to handle kernel paging request

From: Tejun Heo
Date: Mon Dec 21 2009 - 02:14:16 EST


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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