Re: UMTS Device - T Mobile Web And Walk

[Dan Williams <dcbw redhat com>]

On Tue, 2011-05-24 at 18:28 +0200, Harald Jung wrote:
> Hi,
> 
> 
> i think i was wrong with that speculation, the problem is not in the
> modem-manager AT command stuff. But in the way network-manager gets
> its ip configuration. 
> 
> Networkmanager isn't able to query the ip-settigs from the hso network
> interface.

Which device is this?  Option devices don't normally use PPP so
ModemManager indicates that the configuration mode is "static" and
should be requesting the details from the modem using AT_OPxxx commands.
Those details get passed back to NetworkManager which should then be
setting them onto the hso0 netdevice just like setting static IP details
on eth0.  Can you grab some logs from /var/log/messages
or /var/log/daemon.log showing the problem?

Dan


> 
> best regards
> 
> Harald
> 
> 
> Am Dienstag, 24. Mai 2011, 16:40:59 schrieb Aleksander Morgado:
> 
> > Hi Harald,
> 
> > 
> 
> > > > > May 20 14:41:21 ThinClient modem-manager[3764]: <debug>
> 
> > > > > 
> 
> > > > > [mm-at-serial-port.c:298] debug_log(): (ttyHS0): --> 'AT
> 
> > > > > 
> 
> > > > > +CPMS="ME","ME","ME"<CR>'
> 
> > > 
> 
> > > I have removed the CPMS setting from the source code, I don't need
> any
> 
> > > sms support and the AT command caused the modem device to hang.
> After
> 
> > > submitting this command to the device, it isn't possible to
> 
> > > communicate via the tty port anymore.
> 
> > 
> 
> > Could you provide the output of AT+CPMS=? so that we know why the
> modem
> 
> > didn't like the CPMS configuration?
> 
> > 
> 
> > Also the model string as reported by the modem in AT+CGMM or AT+GMM
> 
> > could help to try to look for the appropriate AT command reference.
> 
> > 
> 
> > > After that i was running into the next problem, it seems that the
> 
> > > device is blocked by modem-managers frequent status request. So
> pppd
> 
> > 
> 
> > > doesn't come up:
> 
> > You mean that the rate of status queries is too high for the modem?
> 
> > AFAIK the rate is really several seconds between queries, so I'm not
> 
> > sure how this could affect here.
> 
> 
> 
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