gnome-shell is frozen upon wakeup from DPMS (bisected)

[Max Staudt]

On 11/14/2016 02:46 AM, Michel Dänzer wrote:
> On 11/11/16 02:21 AM, Max Staudt wrote:
>> Hi,
>>
>> I have bisected a commit in v4.6 that fixes a freeze of the screen on
>> DPMS sleep:
>>
>> 777e3cbc791f131806d9bf24b3325637c7fc228d drm/radeon: Switch to drm_vblank_on/off
>>
>>
>> When running 'xset dpms force off' in a GNOME session (I tested this on
>> openSUSE Leap 42.2), sometimes the screen will freeze, sometimes it will
>> not. It may take several tries.
>>
>> When it does freeze, the mouse can still be used, but clicking anything
>> will (seem to?) have no effect. Typing in an open terminal still works,
>> albeit the screen will still be frozen. Run "xterm" and the screen will
>> unfreeze. Running "xlogo" does not unfreeze it.
> 
> Does this still happen with current xf86-video-ati Git master?


Hmm, good idea!


I bisected this, and the problem goes away in this xf86-video-ati commit:

1181b9c582f10b6c523e4b2988e2ce87ecf3d367 Enable DRI3 by default when building for Xorg >= 1.18.3


I tested this on Kabini.


So... what about DRI2?



Max