Hello, exactly same problem here.
- Bug#970356: assertion failed in vte_terminal_spawn_with_fds... Marc Haber
- Bug#970356: assertion failed in vte_terminal_spawn_wit... Pascal Legrand
- Bug#970356: assertion failed in vte_terminal_spawn_wit... Pascal Legrand
- Bug#970356: Bug#971422: libvte-2.91-0: vte_terminal_sp... Simon McVittie
- Bug#970356: libvte-2.91-0: vte_terminal_spawn_asyn... Axel Beckert
- Bug#970356: libvte-2.91-0: vte_terminal_spawn_... Axel Beckert
- Bug#970356: Bug#971422: libvte-2.91-0: vte_terminal_sp... Simon McVittie
- Bug#970356: Bug#971422: libvte-2.91-0: vte_termina... Simon McVittie