I have found a temporary workaround for this issue, but am not sure whether this is the fix. http://kubuntuforums.net/forums/index.php?topic=3112249.0
But I don't know how to set LIBGL_ALWAYS_INDIRECT=true for kwin permanently. -- Screen is flickering with enabled compositiong effects https://bugs.launchpad.net/bugs/657930 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs