This keeps happening for me on 15.04 (upgrade from 14.10) and on 15.10
(clean install).
When it happened while searching for an answer (firefox still works even
though plasma is crashed and black) I run the above (#24) three commands
and plasma was restored and worked fine. I only had to close
I can't select another session as KDE Plasma is the only one listed
below the Username/Password textboxes.
I have also tried without success:
1) Both included themes (Classic User Bar)
2) Login from a console (tty1) before I login in the LightDM
3) Login from a console, kill and then restart
I managed to reduce and almost eliminate the delay by removing the
background image. Now the lightdm logfile reports a 3 second delay which
I believe is acceptable. Maybe this bug has to do with the deallocation
of the memory it allocated for the background image?
I also reproduced this behavior
Hi David, thanx for replying. You are doing great work on LightDM KDE
Greeter, thank you!
After some testing with various backgrounds it seems that the delay is
always specific to each background image and I was unlucky enough to
select the worst of them which is the one with the wafer/processors
