linux-kernel - Re: 2.6.19-rc2-mm2

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Date:	Fri, 20 Oct 2006 18:54:43 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.19-rc2-mm2

Hello, 

> Don't know.   Nothing has changed in the git-pcmcia tree since July.
>
> Are you able to bisect it, as per
> http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt ?
>
> > When running without debug options enabled also these were seen amongst
> > dmesg lines:
> >
> > [drm:radeon_cp_init] *ERROR* radeon_cp_init called without lock held
> > [drm:drm_unlock] *ERROR* Process 5131 using kernel context 0
>
> <googles>
>
> This? http://lkml.org/lkml/2005/9/10/78

I think I found the culprit. It's CONFIG_PCI_MULTITHREAD_PROBE option. It is 
actually marked as EXPERIMENTAL and there is even a proper warning included 
on the help page. Disabling it makes the kernel behave the right way. So 
should what I reported be considered a real error or not? Then the next 
question is should I report errors caused by options marked as EXPERIMENTAL 
or just leave it the way it is until the option is not EXPERIMENTAL anymore?

>> This time it _is_ -mm ;-)
>> 
>Well... that's what it's for ;)  Thanks for testing.

No problem. Thanks for Linux.

Regards,

	Mariusz Kozlowski
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