Re: Debian 7 (wheezy) - mobile broadband support in NetworkManager unstable

[Aleksander Morgado <aleksander aleksander es>]

On Fri, Jul 11, 2014 at 9:37 AM, Phil Reynolds
<phil-nm tinsleyviaduct com> wrote:
> It never has been very stable, but in recent weeks I've noticed that
> NetworkManager is very unstable when it comes to my mobile connection.
>
> I am using Debian wheezy (the stable release) on a Lenovo Thinkpad
> X131e, fitted with the Ericsson H5321 3G modem, and an Andrews & Arnold
> (www.aa.net.uk) data SIM.
>
> I see a variety of symptoms, but basically they boil down to:
>
> o       Connection is dropped, and disappears from NetworkManager's
>         menu, only to be replaced by "Auto broadband", which doesn't
>         work. Restarting NetworkManager usually helps in this case.
>
> o       Connection is dropped, and cannot be restored because the
>         Mobile Broadband switch in the menu will not stay on. Often,
>         restarting NetworkManager helps, but sometimes a reboot seems
>         to be needed.
>
> Is there anything I can do to make this situation more stable?

AFAIK wheezy comes with pretty old ModemManager (<1.x). If that is
true, please follow the following steps to gather debug logs:
  https://wiki.ubuntu.com/DebuggingModemmanager

If ModemManager is newer (>= 1.x), please follow the following steps
to gather debug logs:
  http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/

-- 
Aleksander
https://aleksander.es