You have been subscribed to a public bug: Folowing upgrade 14.10 -> 15.04, in a root terminal:
root@adiabat:~# gedit No protocol specified ** (gedit:8757): WARNING **: Could not open X display No protocol specified gdk_mir_display_open Failed to connect to Mir: Failed to connect to server socket: No such file or directory Unable to init server: Could not connect: Connection refused (gedit:8757): Gtk-WARNING **: cannot open display: :0 root@adiabat:~# However, from a user terminal, " gedit" and "gksu gedit" both work just fine. ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: ubuntu-release-upgrader-core 1:15.04.14 ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3 Uname: Linux 3.19.0-15-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Tue Apr 28 13:55:28 2015 InstallationDate: Installed on 2014-11-04 (174 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: Upgraded to vivid on 2015-04-28 (0 days ago) VarLogDistupgradeTermlog: ** Affects: hundredpapercuts Importance: Medium Status: Confirmed ** Affects: gedit (Ubuntu) Importance: Medium Status: Confirmed ** Tags: amd64 apport-bug dist-upgrade vivid -- gedit can't run in root terminal https://bugs.launchpad.net/bugs/1449748 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gedit in Ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs