Hey Peter, > > (ModemManager:19419): GLib-GObject-WARNING **: 15:01:34.152: invalid cast from > 'MMBroadbandModemQmiQuectel' to 'MMBroadbandModemMbim' > ** > ERROR:../src/mm-broadband-modem-mbim.c:284:mm_broadband_modem_mbim_peek_port_mbim: > assertion failed: (MM_IS_BROADBAND_MODEM_MBIM (self)) > Bail out! > ERROR:../src/mm-broadband-modem-mbim.c:284:mm_broadband_modem_mbim_peek_port_mbim: > assertion failed: (MM_IS_BROADBAND_MODEM_MBIM (self)) > Aborted >
Any chance you can run this under gdb like this and get a backtrace? $ sudo G_DEBUG=fatal-warnings gdb --args /usr/sbin/ModemManager --debug Also, what modem is this?