Thank you for the bug report. Could you please install the firefox-dbg package and try to obtain a backtrace (or crash report) by following the instructions on https://wiki.ubuntu.com/MozillaTeam/Bugs This will greatly aid us in tracking down your problem
-- firefox crashed when opening a tab that caused a number of fd:// errors popping up https://launchpad.net/bugs/77905 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs