Red Hat Bugzilla – Bug 572374
Regression in power management on ppc (PowerBook G4)
Last modified: 2010-12-03 12:34:42 EST
Description of problem:
xset dpms force off no longer works. Instead of turning off the display completely including the apple on top of the lid it only dims the display.
Setting the power management profile to suspend to ram after a certain time doesn't work. Clicking the sleep button in the panel applet does work.
Version-Release number of selected component (if applicable):
Most recent update as of today.
Steps to Reproduce:
1. run "xset dpms force off" or set power management applet to turn off screen.
Dimming of display.
Display should be turned off completely
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf, if available), output of the dmesg command, system log (/var/log/messages), and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 401375 [details]
Output from dmesg after "xset dpms force off"
Created attachment 401379 [details]
Created attachment 401380 [details]
I hope these files are helpful. There is no xorg.conf on this system.
With recent updates things have improved somewhat. Setting the system to suspend after a certain time works.
Turning off display still does not work. xset dpms force off starts by causing a black line to be drawn horizontally across the middle of the screen. The screen then gradually fades to near black, but never completely turns off. The Apple on the lid never turns off like it should.
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