https://bugs.kde.org/show_bug.cgi?id=507187
--- Comment #2 from ulte...@gmail.com --- No idea how to reproduce this. System didn't go into standby / S3 state during the session Lock-screen and screen-off DID occur during this session I had done some rendering using blender (with the same GPU with EEVEE) when the 2nd monitor was disabled, but had closed Blender at least a few minutes before enabling the 2nd monitor journal: Jul 18 13:22:45 ulterno-ms7d54 systemd[1210]: Started System Settings - System Settings. ... ... // lots of network block messages ... ... Jul 18 13:23:00 ulterno-ms7d54 rtkit-daemon[1318]: Supervising 8 threads of 4 processes of 1 users. Jul 18 13:23:00 ulterno-ms7d54 rtkit-daemon[1318]: Supervising 8 threads of 4 processes of 1 users. ... // more network block messages ... Jul 18 13:23:05 ulterno-ms7d54 firefox[12859]: ... // firefox errors as given in Description The Firefox errors seem to be the result of the problem and not the problem itself, but that is the only indicator I am able to find. Please let me know if I can provide some other info. -- You are receiving this mail because: You are watching all bug changes.
