As it seems that this bug was only related to my older configuration, I propose to set it to won't fix.
-- Xorg takes all the CPU on some trivial tasks https://bugs.launchpad.net/bugs/652779 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