Modem not disconnecting when deleting current bearer (ref bug #17414)

[Aleksander Morgado]

On Sat, May 9, 2015 at 4:47 PM, Aleksander Morgado
<aleksander at aleksander.es> wrote:
> On Fri, May 8, 2015 at 11:00 AM, Torsten Hilbrich
> <torsten.hilbrich at secunet.com> wrote:
>> Version of modemmanager: 1.4.6
>> Version of libmbim: 1.12.2
>> Version of libqmi: 1.12.4
>>
>> I noticed some unexpected behaviour of the modem manager when deleting a
>> bearer object which was currently in the connecting state.
>>
>> <debug> [1428916367.541269] New MBM bearer created at DBus path
>> '/org/freedesktop/ModemManager1/Bearer/7'
>> <debug> [1428916367.543275] Connecting bearer
>> '/org/freedesktop/ModemManager1/Bearer/7'
>> <info>  [1428916367.543292] Modem
>> /org/freedesktop/ModemManager1/Modem/0: state changed (registered ->
>> connecting)
>>
>> Now the D-Bus client triggers a DeleteBearer.
>>
>> <info>  [1428916372.035137] Modem
>> /org/freedesktop/ModemManager1/Modem/0: state changed (connecting ->
>> connected)
>> <debug> [1428916372.035331] (wwan0): port now disconnected
>> <debug> [1428916372.035337] Removing from DBus bearer at
>> '/org/freedesktop/ModemManager1/Bearer/7'
>>
>> Problem is, the bearer object is removed but the modem stays connected.
>>
>> The API documentation says:
>>
>> --------------------------------
>> DeleteBearer (IN  o bearer);
>>
>> Delete an existing packet data bearer.
>>
>> If the bearer is currently active and providing packet data server, it
>> will be disconnected and that packet data service will terminate.
>> --------------------------------
>>
>> I assumed that this meant that the modem will be disconnected
>> afterwards. Is this assumption wrong or am I experiencing a bug here?
>>
>> Full logs of modemmanager are attached, just some possible sensitive
>> information (IMEI, IMSI, SIM ID, Location) anonymized.
>
> The modem/bearer should be disconnected if the connected bearer gets
> removed. If that is not happening, it's a bug.
>
>

Could you please open a new bugreport in bugzilla so that we don't
lose track of it?
https://bugs.freedesktop.org/enter_bug.cgi?product=ModemManager

-- 
Aleksander
https://aleksander.es