I am using Ubuntu 13.04 64-bit and having the same problem. I have 4
cores and mission-control -5 is eating up the cpu one by one as I can
see in CPU History of System Monitor. Below is the cpu usage of mission-
control from the command "top"
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1847 gdm 20 0 77896 3792 3104 R 100.0 0.1 17:06.34 mission-control
Updating libcairo2 from precise version to raring version solved the
problem for precise users. But I am already using Ubuntu raring and
libcairo2 and libcairo-gobject2 are already in their newest version i.e.
1.12.14. Please help me fix it!
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https://bugs.launchpad.net/bugs/1073372
Title:
Xorg produces high CPU usage, slow gnome-terminal
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