> > >> Could you edit the huawei port type rules file and add these three lines
> > >> somewhere in the middle of the other rules?
> > >> $ vim /lib/udev/rules.d/77-mm-huawei-net-port-types.rules
> > >> SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}=="?*",
> > >> ENV{.MM_USBIFNUM}="$attr{bInterfaceNumber}"
> > >> ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="15c1",
> > >> ENV{.MM_USBIFNUM}=="02", ENV{ID_MM_PORT_TYPE_PPP}="1"
> > >> ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="15c1",
> > >> ENV{.MM_USBIFNUM}=="04", ENV{ID_MM_PORT_TYPE_AT_PRIMARY}="1"
> > >
> > > I think you misspelled ID_MM_PORT_TYPE_PPP. Should it be named
> > > ID_MM_PORT_TYPE_AT_PPP?
> > > I have changed the rules file and restarted mm and nm in debug mode.
> > > Waiting for disconnection issues.
> >
> > Hey Aleksander,
> > after adding these rules, the problem seems gone. No issue with
> > disconnecting and disabling the modem since 4 days.
> > I have attached the debug logs.
> >
> > Could your explain a little about what the effect of these rules is?
> >
>
> Without those rules, MM just picks the same AT port for control and
> data. With those rules, MM picks for data the port flagged as PPP and
> for control the port flagged as primary, following the port types
> specified by Huawei themselves.
>
> Instead of adding those new udev rules in MM git sources, I've opened
> this issue to track the port type hints support in a more generic way:
> https://gitlab.freedesktop.org/mobile-broadband/ModemManager/issues/170
>
Would you be able to test these two patches in the following MR?
https://gitlab.freedesktop.org/mobile-broadband/ModemManager/merge_requests/235
You would need to remove the udev rules you added manually, though, in
order to properly test these changes.
--
Aleksander
https://aleksander.es
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