Re: No 3G after disconnecting

[Marius Kotsbak <marius kotsbak gmail com>]

Den 26. juli 2011 12:17, skrev wp1191918-hgvs:
>   
>
> Marius Kotsbak<marius kotsbak gmail com>  hat am 26. Juli 2011 um 02:17
> geschrieben:
>
>
> > Den 25. juli 2011 12:08, skrev wp1191918-hgvs:
> > >   Hi,
> > >   
> > > I have found the following problem with an Ericsson F5521gw 3G modem:
> > >   
> > > 1. start system
> > > 2. bring up 3g connection by clicking on the configureation in nm-applet
> > > 3. wait until connection is established and can be used 
> > > 4. disconnect from 3g connection
> > > 5. when trying to bring up the connection again it fails
> > Seems like I found the cause. See my attached patch to the bug report:
> >
> > https://bugzilla.gnome.org/show_bug.cgi?id=650740
> >
> > --
> > Marius
>   
> Hi Marius,
>   
> looks like with your patch I am no longer able to bring up the 3G connection on
> any time.

Strange. I would recommend turning off and on the modem again (if you 
have a button for that, else turn off and on the laptop). Also make sure 
there is only one modem-manager running.

Anyway, looking at the log it seems like the mbm module is not used at 
all (so I can't see that my patch made any difference). It uses general 
ACM PPP dial, not the usb0 ethernet connection. Make sure you have the 
"cdc_ncm" module.

You also need the following patch (included in modemmanager >=0.4.996, 
but it is just a text file change needed):

http://cgit.freedesktop.org/ModemManager/ModemManager/commit/?id=0b757465ffe6108066d32312ab4e895c372c8f72

See also https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/792301

--
Marius