Evan Panagiotopoulos writes:
I have top running in a terminal window and there are two processes running, Xorg and top. Xorg is using 18% of the cpu. If I open another window the percent goes into the 30s and 40s. I don't think this is normal. Going to System->Administration->Display I see that I have the correct hardware installed, nVidia 41.9. The Dell system profile reports that I have a NV42 card.
Are you using Nvidia's non-free binary kernel module? If so, remove the module and revert to Xorg's free nv driver. You may need to reinstall all Xorg packages; in some instances Nvidia's installer overwrites Xorg's libraries.
If X still chews up the CPU with Xorg's nv driver, report it in Bugzilla. If X works correctly after you removed Nvidia's binary module, take it up with Nvidia.
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