I've figured out that this bug is triggered by having bookmarked the Trash, which I must have done by accident with an errant Ctrl-D a long time ago. After removing that bookmark, the problem seems to go away. (And, just to verify, if I bookmark the Trash again, it comes back.)
** Summary changed: - gedit deadlocks on opening Open or Save As dialog + With Trash bookmarked, gedit deadlocks on opening Open or Save As dialog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1528416 Title: With Trash bookmarked, gedit deadlocks on opening Open or Save As dialog To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-gnome/+bug/1528416/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs