Red Hat Bugzilla – Bug 100651
xscreensaver does not power off my monitor correctly.
Last modified: 2007-04-18 12:56:01 EDT
Description of problem:
xscreensaver does not power off my monitor correctly. A few minutes after the
monitor is powered off. My monitor wake up and reports
"The Monitor is in power save mode, activate by using PC".
Between the time the stand by mode starts and the time suspend mode starts, my
"Monitor is working out of scan range, change PC setting."
Version-Release number of selected component (if applicable):
very high on my own machine. (IBM Aptiva 964, PIII 667, Dell P780 Monitor)
Steps to Reproduce:
1.In xscreensaver preference, set blank after 5 mins, cycle after 10 mins.
2.In xscreensvaer preference, set stand by, suspend after, and power off after
to 1, 2, 3 mins.
3.Wait to what described above.
Should be powered off and not wake up unexpectedly.
I believe xscreensaver just ties into the standard X dpms code.
Attach your X server config and log file.
Also, disable APM at startup, and in your BIOS, and try running X and testing this
again. If disabling APM makes the problem go away, then it's most likely
a BIOS bug in APM power management handling.
Since this bugzilla report was filed, there have been several major
updates to the X Window System, which may resolve this issue. Users
who have experienced this problem are encouraged to upgrade to the
latest version of Fedora Core, which can be obtained from:
If this issue turns out to still be reproduceable in the latest
version of Fedora Core, please file a bug report in the X.Org
bugzilla located at http://bugs.freedesktop.org in the "xorg"
Once you've filed your bug report to X.Org, if you paste the new
bug URL here, Red Hat will continue to track the issue in the
centralized X.Org bug tracker, and will review any bug fixes that
become available for consideration in future updates.