Which process is claiming to be the CPU hog? Perhaps it is Xorg, and therefore a duplicate of bug #187383? I have this same problem, and used top in a terminal while switching g-s-m tabs to find this out.
Which process is claiming to be the CPU hog? Perhaps it is Xorg, and therefore a duplicate of bug #187383? I have this same problem, and used top in a terminal while switching g-s-m tabs to find this out.