Peter Schmitt, thank you for reporting this and helping make Ubuntu better.
Could you please run the following command once from a terminal by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information: apport-collect 1705297 ** Changed in: xorg (Ubuntu) Importance: Undecided => Low ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1705297 Title: login after booting hangs Status in xorg package in Ubuntu: Incomplete Bug description: The following occurs occasionally (seemingly at random): After booting and logging in only the background image is shown, and no action is possbile. After switching to tty1, logging in and performing a shutdown/reboot everything is o.k. (Sometimes -- seldomly -- on tty1 an error message was shown.) peter@TP:~/bin$ uname --all Linux TP 4.4.0-83-generic #106-Ubuntu SMP Mon Jun 26 17:54:43 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1705297/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp