I can confirm this behavior.
I happens frequently (not always), I do not know what triggers this behavior...
When I leave my office at work I just the lid of my laptop in order to lock the session, Sometimes when I come back I can see my entire desktop before logging into the locked session.
Running Kubuntu 10.10 / KDE 5.4.1
Using an ATI video card with fglrx package version 2:8.780
I can confirm this behavior.
I happens frequently (not always), I do not know what triggers this behavior...
When I leave my office at work I just the lid of my laptop in order to lock the session, Sometimes when I come back I can see my entire desktop before logging into the locked session.
Running Kubuntu 10.10 / KDE 5.4.1
Using an ATI video card with fglrx package version 2:8.780