You need to check out the same version of mesa you have currently installed, to make sure you can reproduce the issue correctly when building from sources. Then the same for the last known working version.
Only once that's confirmed should you start the bisect.
You need to check out the same version of mesa you have currently installed, to make sure you can reproduce the issue correctly when building from sources. Then the same for the last known working version.
Only once that's confirmed should you start the bisect.