I confirm the fact that opening gdmsetup fix the trouble. I've done a diff of the old files, and there are 3 empty line removed.
** Attachment added: "diff -u /etc/gdm/gdm.conf-custom gdm.conf-custom.old > gdm.conf-custom.diff" http://launchpadlibrarian.net/14478775/gdm.conf-custom.diff -- Usplash without progress bar on shutdown. https://bugs.launchpad.net/bugs/216266 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs