Re: 3G Modem DHCP time out

[Emmanuel Riboulet-Deyris <erd lastree net>]

Hey,

Thanks Olaf, that's exactly what I've done and it's working perfectly well.

Bests,

E.

Le 25/09/2013 16:40, Olaf Schulz a écrit :
> Hi,
>
> I found another option to avoid the problem you observed on
> https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/1169117:
>
> ..."by adding a file "/etc/modprobe.d/avoid-mbim.conf" with content:
>
>   options cdc_ncm prefer_mbim=N
> "
>
> This helped me in this case.
>
> Olaf
>
>
> # Emmanuel Riboulet-Deyris schrieb am 27.03.2013 um 23:26 h
>
> > Thank's a lot Bjørn for pointing me this bug report. It appears that
> > it's exactly the bug I'm encountering (on the same laptop by the way).
> >
> > I'm very far away from being an expert about that, but if I understand,
> > the simplest way to make thinks work currently with a 3.8.x kernel would
> > be to rebuild my kernel with the key CONFIG_USB_NET_CDC_MBIM set to "n".
> > Is that correct ?
> >
> > Thanks again,
> >
> > E.
> >
> > Le 26/03/2013 17:45, Bjørn Mork a écrit :
> > > This may be a problem introduced with the cdc_mbim driver in Linux
> > > 3.8. The problem is that we don't have userspace support for it yet.
> > >
> > > See https://bugzilla.kernel.org/show_bug.cgi?id=54791 for more details.
> > >
> > > Ben Hutchins suggested that ModemManager could include a modprobe.d
> > > *.conf snippet setting ncm as preferred until the MBIM support is
> > > ready. But this might not be so easy as long as you need a 3.8.5 or
> > > newer kernel to have this option...
> > >
> > > Ideas are welcome.
> > >
> > >
> > > Bjørn