Thank you for your bug report. You are focusing the cups issue which is a printing component but from the description the most problematic problem is
[ 8.278587] traps: gdm3[2576] trap int3 ip:71bcaf7b16a1 sp:7ffd0797dc40 error:0 in libglib-2.0.so.0.8000.0[71bcaf76d000+a0000] which is the login manager not starting could you Look in /var/crash for crash files and if found run: ubuntu-bug YOURFILE.crash Then tell us the ID of the newly-created bug. If that step failed then look at https://errors.ubuntu.com/user/ID where ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine. Do you find any links to recent problems on that page? If so then please send the links to us. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2065405 Title: cups-proxyd[2318]: segfault at 18 ip 00005975fb88bd75 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/2065405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs