Huawei E160E USB modem fails to connect with ModemManager-1.0.0 and NetworkManager-0.9.8.8

[Aleksander Morgado]

On 03/11/13 06:27, David Allen wrote:
> Hi,
> 
> I have a Huawei E160E USB modem that works with ModemManager-0.6.2.0 and
> NetworkManager-0.9.8.2
>  but does not work with ModemManager-1.0.0 and NetworkManager-0.9.8.8. The
> modem appears to be initialised but disconnects when a connection to my
> ISP is
> attempted.
> There is also a confirmatory report of this issue here.
> https://bugzilla.novell.com/show_bug.cgi?id=843537
> 
> I note that when this device works, a ppp0 interface is created, but
> when the
> device does not work, a wwan0 interface is created.
> 
> Please find attached:
> Debug logs- (Recorded on a Slackware 14.1-RC3 32bit installation)
>  dump_working.txt and syslog_working.txt - Recorded with earlier versions
>  dump_not_working.txt and syslog_not_working.txt - Recorded with later
> versions
> Device details-
>  modeminfo.txt - Excerpt from output of usb-devices
>  mmcli_output.txt - Output from mmcli with ModemManager-1.0.0 installed
>  qmicli1.txt - Output from 'qmicli -d /dev/cdc-wdm0
> --device-open-version-info --dms-get-ids -v'
>                      with ModemManager-1.0.0 installed
>  qmicli2.txt - Output from 'qmicli -d /dev/cdc-wdm0 --dms-get-ids -v'
>                      with ModemManager-1.0.0 installed
>                     (Perhaps the error without the 
> '--device-open-version-info' option is relevant)
> Screenshots-
>  E160E_01.png and E160E_02.png - Showing results of querying this device
> with AT commands
> 

Could you get ModemManager debug logs?
  http://www.freedesktop.org/wiki/Software/ModemManager/Debugging

MM 1.0 is using the QMI support in the modem; not AT+PPP. We need to
understand where and why it fails.

-- 
Aleksander