https://bugs.kde.org/show_bug.cgi?id=3D343609 Thomas L=C3=BCbking changed: What |Removed |Added ---------------------------------------------------------------------------- Flags| |NVIDIA+ --- Comment #5 from Thomas L=C3=BCbking --- > not sure if it's happens when you lock/unlock the desktop or put to sleep= and log backon (also)? Does this imply that you've only seen this after un/locking the screen and/= or resuming from STR? https://forum.kde.org/viewtopic.php?f=3D111&t=3D121590&start=3D15 for various hints (There're claims this would possibly be triggered by the magiclamp effect, but that's not activated on your side. Also, what's the output of dmesg | grep NVRM --=20 You are receiving this mail because: You are watching all bug changes.=