[Intel-gfx] 3.14 issue with i810 graphic card bisected

[Tobias Powalowski]

Am 18.04.2014 22:38, schrieb Tejun Heo:
> Hello,
>
> Sorry about the long delay.
>
> On Thu, Apr 03, 2014 at 08:37:49AM +0200, Tobias Powalowski wrote:
>> Hi,
>> I bisected a X startup crash due to new 3.14 kernel:
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/fs/kernfs/file.c?id=9b2db6e1894577d48f4e290381bac6e573593838
>> It's an old intel 810 graphics card which got broken.
>> dmesg and xorg.log attached.
> Hmm... I'm stumped.  The patch shouldn't cause any visible difference
> to the userland.  I went over it a couple more times and still can't
> see how this would make any difference.  Can you please do the
> followings?
>
> * Repeat the test on v3.14 with only the patch reverted.  If it makes
>   the problem go away reliably,
>
> * strace X startup on v3.14 and v3.14 sans the offending patch.
>
> Thanks!
>
Hi,
the problem is I cannot revert this single patch, probably because there
were more changes than just that patch in files.c until final 3.14 sources.
Can you tell me how to revert just this and compile with 3.14 or 3.14.1
sources?
Or do I need to create one by hand on differences and hope I don't break
anything else?

Thanks,

greetings
tpowa

-- 
Tobias Powalowski
Archlinux Developer & Package Maintainer (tpowa)
http://www.archlinux.org
tpowa at archlinux.org


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