Do you have an external monitor? I am having a similar issue (nvidia+compiz) when an external monitor is plugged in. xorg uses too much cpu when I have different windows opened.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/571731 Title: X takes 70% of CPU when changing virtual desktop (Nvidia, compiz) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
