Comment # 33 on bug 1094733 from Felipe Abrahao

(In reply to Michal Srb from comment #28)
> Thank you for the coredump and sorry for the long delay.
> 
> It is QSGAtlasTexture who is calling the glTexSubImage2D. It is trying to
> upload 32x32 "TEX" icon to position 1322x86. It believes that the current
> texture has size 2048x2048, but in reality it has size 956x509. It wants to
> have texture with name 12 bound and that one really is bound at the moment.
> All texture parameters match what the QSGAtlasTexture would set up.
> 
> I did not find any other QSGAtlasTexture or QSGPlainTexture that would have
> size 956x509 or were using texture the name 12.
> 
> So we know that the right texture is bound, but unfortunately I still have
> no idea how the texture got the dimensions 956x509.
> 
> Would you be willing to collect more data using the apitrace tool? It is not
> packaged in openSUSE, but you can either build it from sources or get it
> from my OBS home project:
> https://download.opensuse.org/repositories/home:/michalsrb:/X11/
> openSUSE_Leap_15.0/
> 
> Please run it like this:
> export APITRACE_BACKTRACE="glViewport glTex* glGenTex* glDeleteTex*
> glBindTex*"
> apitrace trace plasmashell
> 
> Let the plasmashell run until it shows the distortion, then terminate it. It
> will produce file plasmashell.trace. Please attach it.


Sorry for the long delay. In fact, I should say this happened for a good
reason.


I'm happy to testify that, after I have updated to KDE 5.12.6 and MESA 18.1.7,
I have not experienced any problem in my full-time working under any sort of
usage, heavy load or possible configuration.