SOLVED kscreenlocker_greet crashing (due to permissions)

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SOLVED kscreenlocker_greet crashing (due to permissions)

Postby shaola » 2020-12-11 19:06

Hello.

I've been experiencing problems when the session got locked in debian bullseye with kde.

No need to give to many details but every time I needed to kill kscreenlocker_greet process from a tty and then I guess sddm would restart it again and it would work properly so I could unlock the session from vt7

So being a smartass as I am ( :roll: ) I decided to create a small systemd service that would monitor the screen locker to kill it once so I would not need to do it manually.

What could go wrong? well... something went wrong. Now kscreenlocker_greet won't start and I need to unlock the session with loginctl unlock-session manually.

I haven't been able to find the problem, not using strace nor gdb (apparently there are no debugging symbols in tha process.

Anybody has any experience debuggind something like this?

Thanks!
Last edited by shaola on 2020-12-13 15:42, edited 1 time in total.
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Re: kscreenlocker_greet crashing (probably due to permission

Postby Head_on_a_Stick » 2020-12-11 19:08

shaola wrote:apparently there are no debugging symbols in tha process

https://wiki.debian.org/HowToGetABacktr ... ng_symbols
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Re: kscreenlocker_greet crashing (probably due to permission

Postby shaola » 2020-12-13 15:40

Head_on_a_Stick wrote:
shaola wrote:apparently there are no debugging symbols in tha process

https://wiki.debian.org/HowToGetABacktr ... ng_symbols


Thank you! I learned something new today.

Unfortunally didn't help me in this specific case.

I am almost sure y messed up /tmp folder launching kscreenlocker_greet as root or something like that.

I ended up deleting that folder and that solved the issue.
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