Downgrading libgl1-mesa-dri to version 7.5-1ubuntu1 fixes the problem. So the regression lies with the mesa package.
** Also affects: mesa (Ubuntu) Importance: Undecided Status: New -- X server fails with DRI : drmRadeonCmdBuffer: -22 https://bugs.launchpad.net/bugs/419434 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs