Article 5GM6W SDDM error: changing lockscreen

SDDM error: changing lockscreen

by
nrjchimwal
from LinuxQuestions.org on (#5GM6W)
Hello.

I am using debian with plasma environment.
I am facing an error while changing lockscreen from 'System settings'.

When my laptop gets lock after standby time say (5 minutes). I can't login back to my session because there is no input box for password. All I can see is a wallpaper of my previous lockscreen.

I tried to change the lockscreen but couldn't.

When I try to set defaults or try to remove previously installed lockscreen theme, I get this error :

DBus Backend error: service start org.kde.kcontrol.kcmsddm failed: The permission of the setuid helper is not correct.

I also cannot install new theme. It crashes SDDM.

I posted this thread on reddit and found that there must be a problem with my policykit. But didn't found solution of it.
I tried reinstalling policykit packages but that didn't worked as well.

Please help me out with thislatest?d=yIl2AUoC8zA latest?i=3LrnCsesMM0:BgS8wa9Xm_M:F7zBnMy latest?i=3LrnCsesMM0:BgS8wa9Xm_M:V_sGLiP latest?d=qj6IDK7rITs latest?i=3LrnCsesMM0:BgS8wa9Xm_M:gIN9vFw3LrnCsesMM0
External Content
Source RSS or Atom Feed
Feed Location https://feeds.feedburner.com/linuxquestions/latest
Feed Title LinuxQuestions.org
Feed Link https://www.linuxquestions.org/questions/
Reply 0 comments