Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version. If you test it and it is still an issue, kindly upload the updated logs by running only once: apport-collect 1574593
and any other logs that are relevant for this particular issue. ** Changed in: gdm (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gdm in Ubuntu. https://bugs.launchpad.net/bugs/1574593 Title: gdm and lightdm stop afetr upgrade Status in gdm package in Ubuntu: Incomplete Bug description: After upgrade to 16.04 from 15.10 Ubuntu 64bit, with gnome desktop, gdm stop working. I had this error: [OK] started GNOME display Manager.kernel module....ct mapper.ndemand".... link was shut down.... and the GDM graphical login screen don't appear. I've tried to switch to lightdm, the login screen appear, but it's impossible to start any installed dtm (gnome/gnome classic or ubuntu/unity) Than i've tried to install also swift, but i've found the same problem. Now, i've tried to install the complete lubuntu-desktop, it's also don't start, but the LDXE desktop yes, For now im'using LDXE, but I need to reuturn to gnome... Please help ! To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/1574593/+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