GPU hang on ThinkPad T420 with drm-kmod on 12.0-RELEASE

[Niclas Zeising]

On 1/5/19 3:16 AM, Kevin Zheng wrote:
> On 1/4/19 7:10 PM, Kevin Oberman wrote:
>> First, sorry if I have forgotten about things early in the thread.
>>
>> Have you examined xorg.0.log to confirm which driver is actually 
>> running? Do you have multimedia/libva-intel-driver installed? If so, 
>> is HYBRID enabled in the configuration? I had hangs with it in the 
>> past, but it's been working for over two days now with a recent 
>> 12.0-STABLE (r342382),mesa-18.3.1 and modesetting. Also, I run with 
>> SCHED_4SD, not the default SCHED_ULE scheduler.
> 
> Ah! I was confused when you mentioned xf86-intel-driver earlier; I was 
> indeed running that instead of the modesetting driver.
> 
> I was not aware at all of the modesetting driver... perhaps it'd be good 
> to document somewhere, like maybe the pkg-message for drm-kmod?

This is the default configuration, you have to explicitly install 
xf86-inteldriver to have it on your system.

Which kernel driver are you using?

Regards
-- 
Niclas