On Thu, Nov 16, 2017 at 2:57 PM, Aleksander Morgado <
[email protected]> wrote:
> >
> > I have a Pantech UML290 LTE USB modem that talks QMI on my host. I am
> > having an issue setting the APN (and it appears PPP options when not
> running
> > LTE) for this device.
> >
> > When the device is not plugged in and I use nm-connection-editor to
> create a
> > new MobileBroadband connection, I can select Verizon LTE and choose my
> APN I
> > need to connect to (it is an APN of a provider that uses VZ's network).
> > When I plug the modem in, that connection is not available to use on the
> > device (I did select "Any Device" for mobile broadband device), but it
> does
> > not show.
> >
> > If I create the connection after it is plugged in and all of the devices
> are
> > created wwan0, /dev/cdc-wdm0, then I cannot enter an APN manually - the
> GUI
> > skips right over it. I compared the 2 connection entries on the
> filesystem,
> > and the one I cannot select the APN on is using CDMA and dialing the
> normal
> > CDMA ppp number (#777).
> >
> > Any idea how I can get this to use the LTE network and still select an
> APN?
> >
>
> What ModemManager version are you using? What's the output of "mmcli
> -m 0" when you plug in the device?
>
[greg@dell-wifi ~]$ sudo mmcli -L
Found 1 modems:
/org/freedesktop/ModemManager1/Modem/0 [QUALCOMM INCORPORATED] 42
[greg@dell-wifi ~]$ sudo mmcli -m 0
/org/freedesktop/ModemManager1/Modem/0 (device id
'48d4cf9eceb8dbb2de4e13da073cb011be31f29e')
-------------------------
Hardware | manufacturer: 'QUALCOMM INCORPORATED'
| model: '42'
| revision: 'L0290VWBB12F.248 1 [Nov 9 2011 08:44:21]'
| supported: 'gsm-umts
| cdma-evdo
| lte
| cdma-evdo, gsm-umts
| gsm-umts, lte
| cdma-evdo, lte
| cdma-evdo, gsm-umts, lte'
| current: 'cdma-evdo'
| equipment id: '990000479466114'
-------------------------
System | device: '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1'
| drivers: 'cdc_acm, qcaux, qmi_wwan'
| plugin: 'Pantech'
| primary port: 'cdc-wdm0'
| ports: 'ttyUSB0 (qcdm), cdc-wdm0 (qmi), wwan0 (net),
ttyACM0 (at)'
-------------------------
Numbers | own : '0000000345'
-------------------------
Status | lock: 'none'
| unlock retries: 'unknown'
| state: 'enabled'
| power state: 'on'
| access tech: 'unknown'
| signal quality: '0' (recent)
-------------------------
Modes | supported: 'allowed: 2g; preferred: none
| allowed: 3g; preferred: none
| allowed: 2g, 3g; preferred: none
| allowed: 2g, 3g; preferred: 2g
| allowed: 2g, 3g; preferred: 3g
| allowed: 2g, 3g, 4g; preferred: none'
| current: 'allowed: 2g, 3g; preferred: none'
-------------------------
Bands | supported: 'cdma-bc0-cellular-800, cdma-bc1-pcs-1900,
dcs, egsm, pcs, g850, u2100, u1900, u850, u900'
| current: 'cdma-bc0-cellular-800, cdma-bc1-pcs-1900,
dcs, egsm, pcs, g850, u2100, u1900, u850, u900'
-------------------------
IP | supported: 'ipv4'
-------------------------
CDMA | meid: 'unknown'
| esn: '808A0AA9'
| sid: 'unknown'
| nid: 'unknown'
| registration: CDMA1x 'unknown'
| EV-DO 'unknown'
| activation: 'unknown'
-------------------------
SIM | path: 'none'
-------------------------
Bearers | paths: 'none'
> For this device, it should report it supports both 3GPP (e.g. lte) and
> 3GPP2 (e.g. cdma/evdo) capabilities. For the former you need to
> specify an APN, for the latter, you don't. In this case, the GUI
> should allow you to specify the APN as all your connection requests
> should go in the same way regardless of access tech.
>
> If you say it's defaulting to PPP on #777 it may not be doing
> correctly the QMI probing for some reason. Debug logs would help, see:
> https://www.freedesktop.org/wiki/Software/ModemManager/Debugging/
>
>
That's a lot of info - found here ::
http://repo.cistera.net/GregOliver/UML290--debug.txt
Thanks for your help - if GUI screenshots would help to see what is
happening, just let me know and I will upload some there as well.
> --
> Aleksander
> https://aleksander.es
>
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