With mainline kernel 2.6.30-020630rc7-generic I have seen my machine force the slowst throttling even when connected to mains. Disconnecting and reconnecting power a few times seems to make it work correctly (note that when the power is disconnected, the scaling follows the selected userspace setting for a few seconds before it goes back to the lowest setting)
Booting back into my old kernel (2.6.28-11-generic) I am seeing the same behaviour. I suspect that the cpu scaling not adjusting on mains power is purely because something has not realised that mains has been plugged back in. The real problem is that when on battery power, my 2.2Ghz laptop becomes an 800 mhz laptop which is completely unusable (youtube does not play smoothly etc). I need some instructions for how to gather more information on the cpu scaling, as all I can do at the moment is guess why the kernel has decided not to increase the cpu speed -- cpu scaling not working properly https://bugs.launchpad.net/bugs/381588 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
