I installed and fired up Compiz and there is no extraordinary CPU usage in the Addons page of Firefox so it is a Matchbox specific issue. I've added the matchbox-window-manager project to reflect this new finding.
Unsure if firefox should be removed as I don't think firefox itself is causing the issue itself, merely where it is showing up. -- Firefox Addons window pegs Xorg CPU usage https://bugs.launchpad.net/bugs/331219 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