Reconnecting after disconnect not possible

[Bernd Eggink]

On 01.05.2015 17:41, Aleksander Morgado wrote:
> On Fri, May 1, 2015 at 3:20 PM, Bernd Eggink <monoped at sudrala.de> wrote:
>>> Ok, thanks, so this is a Sierra EM7305. There were recent reports of
>>> this modem failing in MBIM mode but working in QMI mode, see:
>>>
>>> http://news.gmane.org/gmane.linux.network.modemmanager.devel/cutoff=40
>>>
>>> You can try to switch to QMI mode by switching to USB interface
>>> configuration #1; e.g. as the previous reporter did (you'll need to
>>> specify the proper usb path):
>>> echo 1 > /sys/bus/usb/devices/1-11/bConfigurationValue
>>
>>
>> Hm, if I do that, the devices disappears immediately. Does it require some
>> special kernel settings or whatever?
>
> It would need the qmi_wwan driver in the kernel, and ModemManager
> compiled with libqmi support.

Thanks, but loading the qmi_wwan driver didn't change anything. Maybe 
the chip doesn't support qmi.

- Bernd