[Mesa-dev] [PATCH v4 0/3] asynchronous pbo transfer with glthread

[gregory hainaut]

On Thu, 20 Apr 2017 10:56:34 +0900
Michel Dänzer <michel at daenzer.net> wrote:

> On 20/04/17 01:43 AM, gregory hainaut wrote:
> > Hello All,
> > 
> > I ported PCSX2 to xcb (at least the non-glx part). Crash is gone :)
> > So I can send the v5 with the hash delete fix.
> > 
> > However, Mesa might receive crash bug report when glthread is enabled
> > on a random app that doesn't use xcb/XinitThread properly.
> 
> This means it's still a bug in Mesa, you're just working around it in
> your application.
> 
> As we've explained, Mesa's glthread cannot make any libX11 API calls.
>
 
Yes. And unfortunately the crash is still here (seem less often).

 
> > Maybe it would be better to always enable the XInitThread mode by default on the X11 library.
> > If performance of X11 is critical, it would be better to switch to xcb anyway.
> 
> There has been talk about making that change, but there's not even a
> specific plan yet for making it happen upstream. It doesn't change the
> situation with currently shipping libX11.
> 
>