The goal of this article is to get cpu speedstepping. Also suspend to ram and possibly to disk too, both possible for standard (non-root) users. This should all be provided by the powersaved daemon.
- extra/gnome-power-manager (or kde equivalent)(optional)
Install by doing:
pacman -Sy powersave gnome-power-manager
- Add your user to the
powergroup (e.g. by editing
powersavedinto the deamons array in
/etc/rc.conf, or manually start the deamon (
/etc/rc.d/powersaved startwith root privileges).
gnome-power-preferencescan be used if you cannot see the program icon in the system tray by default.
Step 1: CPU Stepping
Step 2: Suspend to ram (suspend2ram)
If using gnome-power-manager, you can click
Suspend on the system tray icon. From console, run:
Problems can be diagnosed in
Step 3: Suspend to disk (suspend2disk)
In order to get suspend2disk to work (this is labeled as hibernate by Gnome convention), you will need to edit your GRUB
menu.lst file (e.g.
resume=/dev/swap as the kernel argument to
menu.lst, where swap is your swap device.
# (0) Arch Linux title Arch Linux [/boot/vmlinuz] root (hd0,2) kernel /boot/vmlinuz26 root=/dev/hda3 resume=/dev/hda4 ro initrd /boot/kernel26.img
Reboot before you attempt to use the feature.
You can suspend to disk by clicking on
Hibernate in gnome-power-manager menu or in console by:
Problems can be diagnosed in /var/log/suspend2disk.log file.