Re: Multiple issues with LXDE/LightDM after upgrading to Debian 10
On 8/26/20 5:07 AM, Toni Casueps wrote:
> None of these issues happened on Debian 9, and they seem related, so I'm
> thinking that they may be caused by some single change or
> misconfiguration. Graphics drivers seem to be fine, as 2D and 3D
> acceleration both work perfectly:
>
> * When the PC is at sleep state, after waking up, the monitor shows
> "no signal", and moving the mouse or pressing keys does not work.
> Only Ctrl+Alt+F1 works, it goes to text mode where the monitor gets
> signal, and then Ctrl+Alt+F7 works fine and shows the graphical
> session. This does not happen with normal boot from shutdown
> * Sometimes (very randomly) after correctly logging in and the desktop
> shows up, after 1 second or so it goes back to the login screen, I
> log in again and then it works fine (the session is not lost in this
> case, programs are still there)
> * If there is a TV connected to the HDMI port, after waking up from
> suspend, the session is lost, it creates a new desktop session with
> no programs, and after opening those programs they report they
> crashed and prompt the user to try to recover documents or browser tabs
> * If the laptop display is turned off so as to only use the external
> one, then I shut down or suspend the PC, disconnect the external
> display and try to use the laptop somewhere else without an external
> monitor, the laptop display is blank for X sessions, only text mode
> works. I managed to turn the laptop display on with xrandr, but I
> think it should fallback to the internal display when it's the only
> one available
>
> Are these related to Debian, LXDE, Openbox or LightDM?
> Thanks
>
>
Could be related to Bug 870641 light-locker, lightdm: screen stays off
after resume
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=870641
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