(In reply to Stefan Dirsch from comment #2) > Ok. Please attach /var/log/gdm/greeter.log and > /home/<user>/.local/share/xorg/Xorg.1.log first. You may end up disabling > one of your two GPUs in order to get rid of these issues though. /var/log/gdm is empty on my system. And there is no ~/.local/share/xorg folder in my case. I will try to disable nouveau module right now.