Am I right that the problem was the non-working AIGLX/compositing, not the warning itself? Marking as "Fix Released". The warning is assured to mean no harm at all.
** Changed in: xserver-xorg-driver-ati (Ubuntu) Sourcepackagename: xserver-xorg-driver-ati => xorg Status: Confirmed => Fix Released -- libGL warning: 3D driver claims to not support visual 0x4b https://launchpad.net/bugs/58541 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs