Re: [RFC/PATCH xf86-video-intel] sna: Let modestting + glamor handle gen9+

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08.04.2016, 16:21, Hans de Goede kirjoitti:
> Hi,

Hi, sorry for the delay..

> On 11-03-16 11:07, Timo Aaltonen wrote:
>>
>> I've been trying to make this work, but there are cases where it fails
>> bad:
>>
>> # a config file with a Device section that loads 'intel' makes the
>> server fail
>> [    10.153] (EE) No devices detected.
>> [    10.153] (EE)
>> Fatal server error:
>> [    10.153] (EE) no screens found(EE)
>>
>> ie. no fallback in that case
>>
>> # with X run as root (wrapper or not), same thing different cause
>> [   145.943] (EE) modeset(0): drmSetMaster failed: Invalid argument
>> [   145.943] (EE)
>> Fatal server error:
>> [   145.943] (EE) AddScreen/ScreenInit failed for driver 0
>>
>>
>> but it does work with startx run by a user. Tests done on Debian with
>> 1.18.1 and intel ddx git.
> 
> This must be some Debian specific issue, I just tried this with Xorg-1.18.3
> on Fedora, with a Xwrapper.config forcing X to always run as root and it
> works
> fine (using startx).

We have a similar wrapper in 'xserver-xorg-legacy' package, but even
installing that doesn't make xdm work, the xserver fails the same way.

startx _does_ work though

> In that case systemd-logind integration should still work though, so it may
> be that the way you are starting Xorg causes the systemd-logind integration
> to not work though, and that the fallback paths for opening the
> /dev/drm/card#
> in the modesetting driver are broken. How exactly are you starting X ?

Trying to use a DM other than gdm, in this case xdm. (iirc lightdm fails
too)

> Can you provide full logs of a failed start ?

Xorg.0.log
http://paste.debian.net/440250/

xdm.log
http://paste.debian.net/440252/
(ignore the first entries with a working driver)


-- 
t
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