I decided that it is about time to do some serious cleanup. I found no good guide cleaning to the extend I wanted so I wrote one.
This fixed the issue for me. If anybody comes by this bug - I hope it might help you as well. If you, like me installed and uninstalled a lot the following might help you to clean up. In my case I had a Server that srated on 12.04 and went through various ppa's and ups/downs. For example I once had issues with KDE leading me to round robin uninstalls/reinstalls/purges. Eventually I realized that set a lot of things to installed which would be no more needed or even trigger issues now. That left me with a lot of crap that affected my otherwise nice new upgrade to 16.04 To clean up and get rid of a lot without really reinstalling I did the following: # First I wanted to get rid of old ppas, especially in case they still would overwrite even the newer packages ppa-purge "ppaname" Other than just apt-add-repository -r this also tries to revert to the original See this for more: http://askubuntu.com/questions/309966/difference-between-ppa-purge-and-add-apt-repository-r # Next I got a list of all manual installed packages comm -23 <(apt-mark showmanual | sort -u) <(gzip -dc /var/log/installer/initial-status.gz | sed -n 's/^Package: //p' | sort -u) > manual.txt # Clean up in this file, remove all packages from this list that you would like to keep vim manual.txt # Then set all these packages from manual to auto installed while read p; do sudo apt-mark auto ${p}; done <manual-to-remove.txt This put a lot into the next autoremove, all desktops I ever tried I recognized a lot of the experiments I did the last years. But other than hard removing them I could be sure that everything still needed by dependencies still woudl be fine. # Now let apt take care of dependencies and do the actual remove sudo apt-get autoremove If you are really willing to clean up add --purge to the autoremove - this will remove all conffiles that are associated. Be careful if you are unsure if you want to keep anything. E voila: 0 upgraded, 0 newly installed, 1359 to remove and 0 not upgraded. After this operation, 3.810 MB disk space will be freed. That is a lot of crap :-) Since these days everything just works (I knew from a test with a live image) I could now cleanly install kubuntu-desktop and was happy again - yay. ** Changed in: xorg-server (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1581370 Title: Keyboard/Mouse input dead after upgrade to Xenial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1581370/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp