Mark Haywood wrote:
Antonello Cruz wrote:So that I can do some investigation ... I assume you are running CPUPM in poll-mode?Aubrey Li wrote:On Tue, Apr 28, 2009 at 3:05 AM, Henrik Johansson <[email protected]> wrote:My power management works fine when I first boot my Lenovo T61, but after putting it into suspend mode it will always run on the highest frequency.I see the same behavior with a Dell XPS 1330MI've notice that if I disconnect the power adapter and then reconnect, it goes to a more same behavior.
That's right, I've attached my power.conf file Since I cannot type (apparently) here is what happens:If I suspend/resume, after resume powertop report max P-state (2001Mhz(turbo) 100%) and it seems the system is stuck at that cpu frequency. This is confirmed with
kstat -m cpu_info -s current_clock_HzIf I unplug the power supply, the cpu frequency drops to 800MHz. When I plug the power supply back in, the frequency goes up to 2001Mhz and gradually goes down to 800MHz again. Frequencies in all steps are confirmed with
kstat -m cpu_info -s current_clock_Hz
Antonello
# # Copyright 1996-2002 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # #pragma ident "@(#)power.conf 2.1 02/03/04 SMI" # # Power Management Configuration File # device-dependency-property removable-media /dev/fb autopm default autoS3 default cpu-threshold 1s # Auto-Shutdown Idle(min) Start/Finish(hh:mm) Behavior autoshutdown 30 9:00 9:00 noshutdown cpupm enable poll-mode S3-support enable
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