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 received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1282867 Title: Many bugs in rendering with lockups, likely caused by SNA To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1282867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs