Comment # 5
on bug 101976
from Pablo Estigarribia
After reading many many many pages around the web and trying everything I could try I have got some config that doesn't crash with white/blank screen or background screen. command tested: MESA_GL_VERSION_OVERRIDE=2.1 MESA_GLES_VERSION_OVERRIDE=2.0 MESA_NO_ERROR=1 MESA_EXTENSION_MAX_YEAR=2014 glmark2 Looks like there is no guide for people new in debugging mesa3d, so I had to spend lot of time looking on the web and trying to get tips to know what I can try here. debugging tips doesn't helps for newcomers to mesa3d debuggin: https://www.mesa3d.org/debugging.html First tried with some vars shown in: https://launchpad.net/~paulo-miguel-dias/+archive/ubuntu/mesa I was also looking in the information shown here: https://www.x.org/wiki/RadeonFeature/#index12h2 Then finally used first test with: https://www.mesa3d.org/envvars.html I have put the first command I tried, but still don't know what should I really use. Probably the issue is with MESA_GL or MESA_GLES not fully implemented for the version automatically recognized for the driver (from glxinfo not using the vars to force the version): Max core profile version: 4.5 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.1 Is there any documentation that could help me assign the bug-free GL version should I use? I will be trying different versions until get the bigger and will comment again. I got blank screen also watching youtube videos, it seems to be some random bug that I couldn't identify yet but hope this information could help some other more familiar with mesa3d could.
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