I finally have aiglx+compiz running on my Optiplex 755 with 4GB. I have to rewrite the MTRR in /etc/rc.local. I'm not convinced that the mtrr is in any sense optimal, but so far so good.
-- MTRR is not properly setup on Intel Northbridge Chipset (P35, X38, X48) with more than 3GB RAM and with Memory Remapping Enabled https://bugs.launchpad.net/bugs/224404 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