This bug was fixed in the package xserver-xorg-video-ati -
1:6.12.192-2ubuntu2
---
xserver-xorg-video-ati (1:6.12.192-2ubuntu2) lucid; urgency=low
* Add xserver-xorg-video-ati-6.12.192: Document that several
power management configuration options do not work with KMS
and ke
That option in xorg.conf is only used if KMS is not in use, and it is by
default. You can add radeon.modeset=0 to your boot stanza if you want to
use it through xorg.conf. Like madbiologist said, dynpm is only
available with KMS on a 2.6.34 kernel, but you can use the dynclks
module parameter to en
I think you also need a 2.6.34 kernel.
--
Option "DynamicPM" is not used
https://bugs.launchpad.net/bugs/552458
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The same problem exists with other power saving options:
# cat /etc/X11/xorg.conf
Section "Device"
Identifier "Configured Video Device"
Option "DynamicPM" "on"
Option "ClockGating" "on"
Option "ForceLowPowerMode" "on"
EndSection
and in /var/log/Xorg.0.log:
(
** Attachment added: "BootDmesg.txt"
http://launchpadlibrarian.net/42635501/BootDmesg.txt
** Attachment added: "CurrentDmesg.txt"
http://launchpadlibrarian.net/42635502/CurrentDmesg.txt
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/42635503/Dependencies.txt
** A
