Connection Issues

Mon Nov 16 14:33:41 UTC 2020

Thanks Reinhard,

Echoing that did the trick and the interfaces appeared. I had assumed they
were in there!
I tried the AT commands and the APN was black which was fine, but tried
another and no change really.
I'm guessing something is fundamentally wrong and will investigate.

at+cgdcont?
> +CGDCONT: 1,"IPV4V6","","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 2,"IPV4V6","IMS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 3,"IPV4V6","HOS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 4,"IPV4V6","SOS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,1
> OK
>

> at+csq
> +csq: 6,99
> OK
>

> at^debug?
> RAT:WCDMA
> mcc:272,mnc:02
> band:1
> band_width:5.0MHz
> channel:10589
> cell_id:48521937
> lac:30100
> cell1: psc:175,rscp:-106.0dBm,ecio:-5.0dB
> rssi:-109dBm
> tx_pwr:0dB
> wcdma_ant_rscp: rx_diversity: 3 (-103.5dBm,-517.0dBm)
>
>

> at^rssi=lte,main
> +CME ERROR: no network service
>
>

> at+cgdcont=1,"IPV4V6","live.vodafone.com"
> OK
>

> at+cgdcont?
> +CGDCONT: 1,"IPV4V6","live.vodafone.com
> ","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 2,"IPV4V6","IMS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 3,"IPV4V6","HOS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
> +CGDCONT: 4,"IPV4V6","SOS","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,1
> OK
>

> at^rssi=lte,main
> +CME ERROR: no network service
>

> at^debug?
> RAT:WCDMA
> mcc:272,mnc:02
> band:1
> band_width:5.0MHz
> channel:10589
> cell_id:48521937
> lac:30100
> cell1: psc:175,rscp:-108.0dBm,ecio:-15.0dB
> rssi:-102dBm
> tx_pwr:0dB
> wcdma_ant_rscp: rx_diversity: 1 (-109.0dBm,-214748364.8dBm)
> OK
>

--
Paul

On Fri, 13 Nov 2020 at 14:35, Reinhard Speyerer <rspmn at arcor.de> wrote:

> On Fri, Nov 13, 2020 at 12:28:07PM +0000, Paul Gildea wrote:
> > Hi,
> >
> > I am trying to get libmbim working for the first time and have a couple
> of
> > issues. I installed 1.24. and am using a new Cinterion modem. I can see
> > that it is enumerated, but without any interface to send AT commands:
> >
> > [    7.588032] usb 2-3: new SuperSpeed Gen 1 USB device number 3 using
> > > xhci_hcd
> > > [    7.604221] usb 2-3: New USB device found, idVendor=1e2d,
> > > idProduct=00b3, bcdDevice= 4.14
> > > [    7.604238] usb 2-3: New USB device strings: Mfr=1, Product=2,
> > > SerialNumber=3
> > > [    7.604240] usb 2-3: Product: Cinterion PID 0x00B3 USB Mobile
> Broadband
> > > [    7.604243] usb 2-3: Manufacturer: Cinterion
> > > [    7.604244] usb 2-3: SerialNumber: ed425f8
> > > [    7.628196] usb 2-3: Enable of device-initiated U1 failed.
> > > [    7.695529] usb 2-3: Enable of device-initiated U2 failed.
> > > [    9.466620] cdc_mbim 2-3:1.0: setting rx_max = 16384
> > > [    9.467250] cdc_mbim 2-3:1.0: cdc-wdm4: USB WDM device
> > > [    9.467430] cdc_mbim 2-3:1.0 wwan4: register 'cdc_mbim' at
> > > usb-0000:00:14.0-3, CDC MBIM, a2:b0:bc:1c:af:8e
> > > [    9.468749] usb 2-3: Enable of device-initiated U1 failed.
> > > [    9.546451] usb 2-3: Enable of device-initiated U2 failed.
> >
> >
> > Is there perhaps a different driver I need?
>
> Hi Paul,
>
> my suggestion would be to use
>
> # modprobe option
> # echo 1e2d 00b3 > /sys/bus/usb-serial/drivers/option1/new_id
>
> to have access to the AT (and DIAG) port so that you can crosscheck
> the status as reported from mbimcli with AT commands. It might also be
> a good idea to check with AT+CGDCONT? that <cid> 1 does not contain
> an APN not supported by your network operator (unless you want your
> device to fall back to UMTS).
>
> As far as MBIM and 5G is concerned: please have a look at
>
> https://lists.freedesktop.org/archives/libmbim-devel/2020-August/001107.html
> what would have to be added to libmbim for proper support.
>
> Regards,
> Reinhard
>
> >
> > Apart from this I am trying to create a data connection with mbimcli but
> am
> > getting registration state denied. When I check the signal strength I am
> > getting these 99 values, these indicate some kind or error? I have
> verified
> > that the sim works with libqmi/sierra modem. Anything else I can check?
> >
> >  mbimcli -p -d /dev/cdc-wdm4 --query-registration-state
> > >
> >
> >
> > > [/dev/cdc-wdm4] Registration status:
> > >                  Network error: 'unknown'
> > >                 *Register state: 'denied'*
> > >                  Register mode: 'automatic'
> > >         Available data classes: 'unknown'
> > >         Current cellular class: 'gsm'
> > >                    Provider ID: '27202'
> > >                  Provider name: 'vodafone IE'
> > >                   Roaming text: 'unknown'
> > >             Registration flags: 'packet-service-automatic-attach'
> > >
> >
> >
> > > mbimcli -p -d /dev/cdc-wdm4 --query-signal-state
> > >
> >
> >
> > > [/dev/cdc-wdm4] Signal state:
> > >
> > > * RSSI [0-31,99]: '99'             Error rate [0-7,99]: '99'*
> > >         Signal strength interval: '5'
> > >                   RSSI threshold: '2'
> > >             Error rate threshold: 'unspecified'
> >
> >
> > Regards,
> >
> > --
> > Paul
>
> > _______________________________________________
> > libmbim-devel mailing list
> > libmbim-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/libmbim-devel
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/libmbim-devel/attachments/20201116/a52ff1d5/attachment.htm>