I can confirm that I am seeing exactly the same thing with my Radeon 9200 in the latest Lucid (dist-upgraded this evening, the 28th of March). No compiz unless KMS is turned off. Even then, it is substantially slower than it was with Karmic. Indeed, non-composite 2D has degraded substantially too:
(EE) RADEON(0): [dri] RADEONDRIGetVersion failed because of a version mismatch. [dri] This chipset requires a kernel module version of 1.8.0, [dri] but the kernel reports a version of 2.0.0.[dri] If using legacy modesetting, upgrade your kernel. [dri] If using kernel modesetting, make sure your module is [dri] loaded prior to starting X, and that this driver was built [dri] with support for KMS. [dri] Disabling DRI. -- No hardware acceleration on ATI Radeon 3650 HD using 'radeon' driver https://bugs.launchpad.net/bugs/534662 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