I was originally having issues where the lockscreen would flicker similary to this post:
I removed xfce4-screensaver
and installed light-locker
And after a reboot, I noticed an issue where after hibernating my PC the 2nd time, after when I unlock my PC, it would be a blank screen for about 10 seconds and then everything would show up however the entire mouse would lock up.
This doesn’t happen if I lock my PC multiple times, its only if you hibernate.
I am not too sure why this is happening and if there was a fix for this?
Edit: Temporarily I disabled this:
And that seems to fix the issue all though now it won’t lock when I wake up from hibernation.
edit: It seems to happen on simply locking the lock screen sometimes as well.