Public bug reported: Normally since edgy (afaik) the radeon module is loaded at boot time.
/proc/acpi/processor/CPU0/power tells me that my processor uses only the c2 state when the module is loaded and X is running on the active terminal. Without the module loaded, my processor uses the states c2 to -4. ** Affects: linux-source-2.6.19 (Ubuntu) Importance: Undecided Status: Unconfirmed -- the radeon module doesn't allow my processor to go in another power state than c2 https://launchpad.net/bugs/72429 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs