I have installed the 2.6.20-8 but I can't use it to navigate because my laptop has a bcm4318, you can get more info here:
https://launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/85404 Sorry, but I have to wait for a new correct kernel and meanwhile I am using 2.6.20-6 -- [apport] metacity crashed with SIGSEGV" https://launchpad.net/bugs/86396 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs