https://bugs.kde.org/show_bug.cgi?id=425557
--- Comment #6 from Michael <k...@callthecomputerdoctor.com> --- I (In reply to Forest from comment #4) > I may be experiencing the same problem. When it happens: > > - I can still move the mouse pointer. > - Mouse clicks and drags are ignored. > - Nothing other than the mouse pointer changes on-screen. > - Keyboard input still works (shortcuts, typing text, etc.) but since no > screen updates happen, it looks like nothing is happening. > - Switching virtual consoles Control+Alt+F8/F7 does not clear the problem. > > I cannot reproduce it on demand, but when it happens, it's always when an > application disables the compositor, such as when a video player switches to > full screen. > > I can regain control of my desktop by manually re-enabling the compositor > with Shift+Alt+F12. > > However, once the bad state has been triggered once, every subsequent > attempt to disable the compositor (either by an app or with Shift+Alt+F12) > freezes the desktop again. > > If I reboot, the compositor can once again be switched off or on without any > trouble, until the problem appears again. That might take hours or days. I have been experiencing this exact same issue under X11 since I upgraded my KDE neon laptop to Plasma 5.27. Never happened under 5.26, but it's happening almost every day. It seems to trigger after a long period of time on its own, without any user interaction. I can be away from my computer for awhile and come back and find that it appears to be dead except for a movable cursor. Disabling the compositor with Shift+Alt+F12 is what gets my session usable again, but the Plasma panels are non-responsive though I see that plasmashell is still running with htop. I've been trying to find a pattern for what causes it, and the I've noticed that plasma-systemmonitor is the only program that seems to be in an unresponsive state when it happens and needs to be forcibly killed. Correlation? Maybe. I was thinking it was some byproduct of the OpenGL drivers, so I installed the Obiaf PPA to get the latest Mesa, but there was no change. Since this is such an odd bug, I don't even know how to describe it to file it as a bug. Operating System: KDE neon 5.27 KDE Plasma Version: 5.27.4 KDE Frameworks Version: 5.105.0 Qt Version: 5.15.8 Kernel Version: 5.19.0-38-generic (64-bit) Graphics Platform: X11 Processors: 16 × AMD Ryzen 7 6800H with Radeon Graphics Memory: 14.9 GiB of RAM Graphics Processor: AMD Radeon Graphics -- You are receiving this mail because: You are watching all bug changes.