xset fails to turn off LCD screen
Bug #140644 reported by
Justin Dugger
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
gnome-power-manager (Ubuntu) |
Fix Released
|
Low
|
Basilio Kublik |
Bug Description
Binary package hint: gnome-power-manager
Gnome power manager will turn the screen black but fails to turn the backlight off on my laptop LCD. I suspect a bug in xset causing gnome-power-manager to fail.
Example:
'xset dpms force off'
exhibits the same broken functionality (black screen instead of setting the lower power state of having the backlight off)
In contrast,
'vbetool dpms off'
works as intended.
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On my gutsy running HP dv8220ea laptop the first command looks like it's cutting power to the laptop, but I'm just assuming I can see the difference. The second command gives me the error: "Failed to initialise LRMI (Linux Real-Mode Interface)" I haven't tried as root as I don't understand the command.