Macbook Air 2012

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On 08/12/2012 08:29 PM, Daniel Vetter wrote:
> On Sun, Aug 12, 2012 at 07:45:05PM +0200, Daniel Wagner wrote:
>> Hi Daniel,
>>
>> On 08/11/2012 11:14 PM, Daniel Vetter wrote:
>>> On Sat, Aug 11, 2012 at 04:48:15PM +0200, Paul Menzel wrote:
>>>> Am Samstag, den 11.08.2012, 16:05 +0200 schrieb Daniel Wagner:
>>>>
>>>>> I installed on my shiny new Macbook Air 2012 Fedora 17. After adding
>>>>>
>>>>> intremap=off
>>>>>
>>>>> to the kernel arguments, I was able to install the system. The X server
>>>>> worked out of the box. This was with a 3.3.4 kernel.
>>>>>
>>>>> Then I started to upgrade the installation and a newer kernel was
>>>>> installed 3.5. After the reboot the screen stayed black. Upgrading to
>>>>> Linus' 3.6-rc1 didn't help either.
>>>>>
>>>>> After some research I have tried now Daniel's tree danvet branch
>>>>> drm-intel-next. Still no success. I also found
>>>>> https://bugs.freedesktop.org/show_bug.cgi?id=48652 which sounds awfully
>>>>> like what I am seeing as symptoms.
>>>>>
>>>>> Unfortunately, is my graphic trouble debugging skills rather limited. Is
>>>>> there anything I could provide to resolve this issue?
>>>>
>>>> I think there is a fix already [1].
>>>
>>> Nope, that's the fix for the new retina macbook pro. Daniel, if you can,
>>> please test the latest patch attached to that bug report and reply on the
>>> bug report with the result.
>>
>> Done as you have requested. Unfortunately, the screen is still
>> black. But there seems to be a small improvement. I see for a short
>> time some kernel boot message before it turns off.
>
> I've pointed you at the wrong bug report unfortunately. This one is the
> right one:
>
> https://bugzilla.kernel.org/show_bug.cgi?id=45671
>
> Please test the "patch v3" on that bug.

Applied v3 and I see for a short time kernel messages, then the screen 
goes black, then I think 2 times the backlight goes on and off and then 
it stays black without backlight.

> Sorry for the confusion.

No problem. I happy to test patches. I'll have to create an account on 
bugzilla.kernel.org to add the test results.

cheers,
daniel




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