[Intel-gfx] 3.11.0+ Laptop screen goes blank during kernelboot

[Daniel Vetter]

On Fri, Sep 13, 2013 at 7:43 PM, Hans de Bruin <jmdebruin at xmsnet.nl> wrote:
> On 09/12/2013 10:49 PM, Daniel Vetter wrote:
>>
>> On Thu, Sep 12, 2013 at 10:45:10PM +0200, Hans de Bruin wrote:
>>>
>>> On 09/10/2013 01:00 PM, Jani Nikula wrote:
>>>>
>>>>
>>>> Hi Hans -
>>>>
>>>> On Sat, 07 Sep 2013, Hans de Bruin <jmdebruin at xmsnet.nl> wrote:
>>>>>
>>>>> Since a day or two the screen of my laptop goes blank when the kernel
>>>>> switches resolution in the boot process. Happily the x-server turns it
>>>>> on again.
>>>>
>>>>
>>>> Please try the drm-intel-nightly branch of
>>>> git://people.freedesktop.org/~danvet/drm-intel
>>>
>>>
>>> Well the drm-intel-testing branch works fine but that was not the
>>> question. lets see if I am able to use gits -b option and clone
>>> drm-intel-nightly.
>>
>>
>> -testing should be recent enough for the commit Jani mentioned. It's also
>> already in Linus' git, so hopefully that works again for you.
>
>
> drm-intel-nightly Works fine to (the compile was already running when  I
> read  your mail). Today's Linus tree still has the defect. Time for a
> bisect?

Hm, so either it's a different feature patch in -nightly which -fixes
this, or much more likely a regression somewhere in Linus' git tree. I
think a bisect is asked for here indeed.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch