ModemManager 1.20.4 - invalid cast

[Aleksander Morgado]

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?