Version: unspecified OS: Linux On a default kubuntu install, after letting the laptop idle, the screen eventually blanks, but after that, nothing can turn it back on. Reproducible: Always Steps to Reproduce: na Actual Results: na Expected Results: na na
Are you able to switch to the root console using Ctrl+Alt+F1 when it hangs?
I confirm this. the system keeps running (for example, a movie or an audio file will keep playing in the background) by there is no way to bring it back...
Please have a look at https://bugs.kde.org/show_bug.cgi?id=230227
Unmaintained version - let us know if it happens with more current versions.