I tried the kernel from bug 349314, it's not helping, as well as 2.6.28-12 kernel from jaunty-proposed. On the other hand, turning UXA acceleration on indeed accelerates things, but it's unstable (X freezes time after time).
$ lspci | grep -i vga 00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02) $ uname -a Linux corner 2.6.28-11-generic #43~lp349314apw5 SMP Tue Apr 21 17:26:20 UTC 2009 i686 GNU/Linux -- [i945GM] (Needs UXA, kernel 2.6.30rc2) compiz slowmotion after Jaunty upgrade https://bugs.launchpad.net/bugs/339555 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