Do you use superkaramba? Here the problem is gone on both computers (ATi and nVidia) since I stopped using superkaramba and disabled DPMS. My GLX is set up with the ATi driver at home but as I mentioned at work I have an nVidia box which had the same bug, but I stopped using superkaramba and disabled DPMS there and now the problem is gone on both boxes. I don't know if really any of these or something else solved the problem, I'm just guessing.
Do you use superkaramba? Here the problem is gone on both computers (ATi and nVidia) since I stopped using superkaramba and disabled DPMS. My GLX is set up with the ATi driver at home but as I mentioned at work I have an nVidia box which had the same bug, but I stopped using superkaramba and disabled DPMS there and now the problem is gone on both boxes. I don't know if really any of these or something else solved the problem, I'm just guessing.