Article 5E1S0 The screen locker is broken and unlocking is not possible anymore

The screen locker is broken and unlocking is not possible anymore

by
mfoley
from LinuxQuestions.org on (#5E1S0)
I've just installed Slackware-current (15.0) and did all updates. When I go to log in (KDE) I get the login screen fine, but after entering ID and PW the screen goes blank except for an immovable cursor. It stays like that for quite some time, more than 5 minutes, then briefly flashes the desktop, then immediately gives the message:
Code:The screen locker is broken and unlocking is not possible anymore.
In order to unlock switch to a virtual terminal (e.g. Ctrl+Alt+F2),
log in and execute the command:

loginctl unlock-session 4

Afterwards switch back to the running session (Ctrl+Alt+F8).That works -- sort of. I do get the desktop after that, but when I click on the Application Launcher everything freezes, no mouse movement or clicking. Keyboard doesn't response. Ctrl-Alt-Fx does nothing. I have to manually reset.

I've found this issue elsewhere on the web, but most are two or more years old. Nevertheless, they generally indicate an issues with the graphics driver. I am using the standard installed driver (nouveau). I have a NVIDIA GK208 [GeForce GT 710] graphics card installed (two, actually). Are there issues with this card and Slackware current?

Other ideas for things I can check?latest?d=yIl2AUoC8zA latest?i=ReruT_yNoz8:9MixwLD3Zo8:F7zBnMy latest?i=ReruT_yNoz8:9MixwLD3Zo8:V_sGLiP latest?d=qj6IDK7rITs latest?i=ReruT_yNoz8:9MixwLD3Zo8:gIN9vFwReruT_yNoz8
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