Reconnecting after disconnect not possible

[Aleksander Morgado]

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.

-- 
Aleksander
https://aleksander.es