Re: [trinity-devel][18.04] can't run mozilla.org firefox esr 60

Felix Miata composed:

> # dpkg -l | grep gtk

> ii gtk3-tqt-engine-trinity 4:14.1.0~s12-0ubuntu18.04.0+3~a amd64 GTK3 theme engine for TDE > ii gtk-qt-engine-trinity 4:14.1.0~s14-0ubuntu18.04.0+3~a amd64 theme engine using Qt for GTK+ 2.x and Trinity > ii gtk-update-icon-cache 3.22.30-1ubuntu1 amd64 icon theme caching utility > ii kgtk-qt3-trinity 4:14.1.0~s14-0ubuntu18.04.0+1 amd64 Use TDE dialogs in Gtk apps > ii libcanberra-gtk3-0:amd64 0.30-5ubuntu1 amd64 GTK+ 3.0 helper for playing widget event sounds with libcanberra > ii libgtk2.0-0:amd64 2.24.32-1ubuntu1 amd64 GTK+ graphical user interface library > ii libgtk2.0-bin 2.24.32-1ubuntu1 amd64 programs for the GTK+ graphical user interface library>> ii libgtk2.0-common 2.24.32-1ubuntu1 all common files for the GTK+ graphical user interface library > ii libgtk-3-0:amd64 3.22.30-1ubuntu1 amd64 GTK+ graphical user interface library >> ii libgtk-3-common 3.22.30-1ubuntu1 all common files for the GTK+ graphical user interface library > ii libgtkmm-3.0-1v5:amd64 3.22.2-2 amd64 C++ wrappers for GTK+ (shared libraries)

> # /usr/local/ffe60/firefox -P ffe60 > (firefox:27799): Gtk-ERROR **: 04:42:18.938: GTK+ 2.x symbols detected. > Using GTK+ 2.x and GTK+ 3 in the same process is not supported > ExceptionHandler::GenerateDump cloned child 27805 > ExceptionHandler::SendContinueSignalToChild sent continue signal to child > ExceptionHandler::WaitForContinueSignal waiting for continue signal... > Trace/breakpoint trap > (crashreporter:27810): Gtk-ERROR **: 04:42:19.016: GTK+ 2.x symbols > detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported

> Anyone recognize whether this is a bug or missing or conflicting package? > If missing or conflict, which?

have you tried to remove kgtk-qt3-trinity? Slávek gave me this advise two or three times in the past in similar cases which I don't remember exactly now, but where also gtk2/gtk3-related... For me that solved it, then.