to help on a TV survey i played with the In-Session toolbar.
I use on both sides linux (openSuse Leap 15.1, KDE, X11)
on 'Action' - 'Lock' - 'Lock Now' the screen in the TV window went black.
And it stays black :-(
started new session: screen is black
restarted the local TV client: connect: screen is black
How to get the login screen again ?
BTW: the 'File Transfer' feature still works.
What happens technically, when I use 'Lock now' ?
Teamviewer log on the remote box says:
DX0! SessionLock: Interface not available or method call failed with an exception: DBus: 'org.freedesktop.DBus.Error.NoReply' (Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.) when calling 'org.freedesktop.ScreenSaver.Lock' on '/ScreenSaver'
DX0 SessionLock: using /usr/bin/xdg-screensaver
DX0 SessionLock: Locking succeeded using xdg-screensaver
qdbus reports the Lock() method with a void response
qdbus org.freedesktop.ScreenSaver /ScreenSaver | grep Lock
method void org.freedesktop.ScreenSaver.Lock()