Thanks for your report. Does the same happen if you set it to "Blank screen" instead? What if you set screensaver delay to 9 minutes, so we can see if "put display to sleep" causes the problem? Please also attach your /var/log/Xorg.0.log.
Thanks for your report. Does the same happen if you set it to "Blank screen" instead? What if you set screensaver delay to 9 minutes, so we can see if "put display to sleep" causes the problem? Please also attach your /var/log/ Xorg.0. log.