Created attachment 84051 [details] System Information In 3.5.7, my ATI video card would power down after the elapsed time set in GNOME screensaver. It does not power down in 3.6.1. The only change was the kernel. Booting into the previous version resolves the issue. See attachment for system information.
Can you bisect?
Also please attach your xorg log and dmesg output.
Issue appears to be resolved in 3.6.6-1.fc17.x86_64 (gcc version 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC) ).