On 12/23/19 12:23 PM, Defiant wrote:
>
>
> On 22. 12. 19 15:45, Claudia wrote:
>>
>> I just wanted to drop a note here before I forget. Out of the box, Qubes
>> blanks the screen after a few minutes, but never powers off the screen, even
>> though it's configured to do so in the XFCE Power Manager. I've had this
>> problem on several machines, all the way back to R3.2, and I always blamed
>> it on lack of hardware support.
>>
>> Turns out, it's because Qubes comes with Xscreensaver enabled which
>> overrides the XFCE Power Manager settings. Xscreensaver is only configured
>> to blank the screen; I'm not sure if it even supports powering it off. To
>> return control to XFCE, go to Menu > System Tools > Session and Startup >
>> Application Autostart, and uncheck "Screensaver". Then you can logout,
>> reboot, or go to Menu > System Tools > Screensaver > File > Kill Daemon. You
>> may have to also open Menu > System Tools > Power Manager > Display, and
>> switch "Display power management" to off and then on again.
>>
>> Note this will disable the lockscreen. This is not recommended if you use a
>> USB keyboard or mouse and a USB Qube, or if someone has physical access to
>> your computer while it's on. Otherwise, I recommend enabling screen poweroff
>> in order to conserve energy and lengthen the lifespan of your screen's
>> backlight.
>>
>>
>
> I have also noticed this annoyance on several machines and different
> linux distributions so it must be an Xfce problem, not a Qubes problem.
>
> You're probably asking yourself why do we even need xscreensaver when we
> can instead use a screen locker like lightlocker. I think I read on the
> issues tracker that xscreensaver is the most secure screen "locker" for
> X11 which is why it is used in Qubes, and if you would want to use
> something stronger you'd have to go wayland.
>
> I hear Qubes 4.1 will use the new Xfce 4.14 though I am unsure whether
> this bug has been fixed in that version.
>
>
> Kind regards!
>
thanks for this, always wondered ... had given up on any systemwide
changing things
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