I have the same problem. Around 100 % cpu usage and unresponsive when using system monitor. Terminal and "top" works fine.
-- System monitor causes Xorg to consume 100% CPU https://bugs.launchpad.net/bugs/187383 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
