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Hello, I've recently upgraded a few machines to Karmic, three to be
exact, and all are showing the same signs when it comes to the idle time
out turning off the displays. Basically, the screen saver is working
fine as expected, however the power manager idle time out for the
displays is rather random. I have the screen saver set to engage after
15 minutes of idle time, which it does. The display idle time out is
set to 30 minutes. If I allow the screen saver to start on its own, 15
minutes later (the delta between the timers) sometimes the displays shut
off, but more so, they do not. I've had the screen saver running for
over two hours once before I intervened to see what was going on. This
problem is also there if I manually lock the desktop, which starts the
screen saver, and 30 minutes later, the displays are still on. Again,
occasionally it will work as it should. I've researched this I found
some statements that say the timer is based on keyboard activity, mouse
activity and system load. For the most part, my system is idle and I
still have this display issue. The specific system in question of the
three has ran Hardy, Intrepid and Jaunty with the same screen saver /
power configuration without issue. I've also included some output from
I script I wrote which queries my system's setting for the packages
mentioned above. Although I could not find one specific enough, if this
bug already exists and I have opened this in error, I apologize.
Thanks.
Power Manager General Options (Defaults)
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power interactive
suspend nothing
icon_policy never
Power Manager On AC Options (Defaults)
--------------------------------------------------------------------------------
idle_dim_ac false
sleep_display_ac 1800
Power Manager On AC Options (User Override)
--------------------------------------------------------------------------------
sleep_display_ac 1800
spindown_enable_ac false
Screensaver Options (User Specific)
--------------------------------------------------------------------------------
mode single
themes screensavers-skyrocket
idle_delay 15
idle_activation_enabled true
lock_enabled true
power_management_delay 30
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: display idle karmic out time timeout
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Ubuntu Karmic 9.10 -- Display Idle Time Out
https://bugs.launchpad.net/bugs/473801
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