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Re: hw acceleration for display stopped working




On 2018-10-30, Tapio Lehtonen <tale@xxxxxxxxxx> wrote:
>
> • Debian GNU/Linux 9.5 Stretch
> • 20:00.0 VGA compatible controller: NVIDIA Corporation GP108 (rev a1)
> • AMD Ryzen 5 1500X Quad-Core Processor
>     
> Programs using hw acceleration for display stopped working yesterday.

What happened yesterday besides hw acceleration breaking?

>   ┌────
>   │ $ glxinfo 
>   │ name of display: :0
>   │ libGL error: No matching fbConfigs or visuals found
>   │ libGL error: failed to load driver: swrast
>   │ X Error of failed request:  GLXBadContext
>   │   Major opcode of failed request:  154 (GLX)
>   │   Minor opcode of failed request:  6 (X_GLXIsDirect)
>   │   Serial number of failed request:  48
>   │   Current serial number in output stream:  47
>   └────

Maybe 

 LIBGL_DEBUG=verbose glxgears

will say something helpful about where libGL is looking for and not
finding its thingamajiggers.

-- 
When you have fever you are heavy and light, you are small and swollen, you
climb endlessly a ladder which turns like a wheel. 
--Jean Rhys, Voyage in the Dark