I triggered the condition somehow after submitting last post. Abusing "Places" menu by opening 3 different File Browser windows (as quick as possible) lead to a same crash.
** Attachment added: "backtrace3.log" http://librarian.launchpad.net/4297276/nautilus_crash3.log -- Crash when opening a File Browser instance https://launchpad.net/bugs/60078 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs