Re: No 3G connection with built in Huwei E620

[Dan Williams <dcbw redhat com>]

On Wed, 2010-08-11 at 22:12 +0200, Mirko Gasparovic wrote:
> Am 04.08.2010 08:08, schrieb Dan Williams:
> >
> > Basically:
> >
> > 1) stop NetworkManager
> > 2) killall -TERM modem-manager
> > 3) gdb modem-manager
> > 4) r --debug
> > 5) start NM from another terminal
> > 6) attempt to reproduce the problem
> > 7) when the gdb/modem-manager window says NM crashed or aborted, type
> > "backtrace" and hit return
> > 8) copy & paste that backtrace into the bug or email
> >
> > Let me know how it goes or if you have more questions.
> >
> > Dan
> >
> >
> >   
> 
> Hi,
> 
> I have tried to create the log, but at Point 7 there is no Message from
> the gdb. I have added the log, as I got it.

Ok, we've seen this before once or twice; with the Huawei E1552 and
there's a bug on gnome.org for it.  We're not quite sure what's causing
it, but the Huawei firmware does not appear to be standards compliant
for the AT+COPS command.  It may work if you wait for the  modem to
auto-register with the network before starting the connection in NM.
But for now I guess we'll need to work around the problem where the
modem just goes idle when we tell it to start looking for providers :(

Dan

> root trymon-laptop:/home/trymon# stop network-manager
> network-manager stop/waiting
> root trymon-laptop:/home/trymon# killall -TERM modem-manager
> root trymon-laptop:/home/trymon# gdb modem-manager
> GNU gdb (GDB) 7.1-ubuntu
> Copyright (C) 2010 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i486-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/sbin/modem-manager...(no debugging symbols
> found)...done.
> (gdb) r --debug
> Starting program: /usr/sbin/modem-manager --debug
> [Thread debugging using libthread_db enabled]
> ** Message: Loaded plugin Huawei
> ** Message: Loaded plugin Sierra
> ** Message: Loaded plugin ZTE
> ** Message: Loaded plugin MotoC
> ** Message: Loaded plugin Novatel
> ** Message: Loaded plugin Nokia
> ** Message: Loaded plugin Longcheer
> ** Message: Loaded plugin AnyData
> ** Message: Loaded plugin Option
> ** Message: Loaded plugin Ericsson MBM
> ** Message: Loaded plugin Gobi
> ** Message: Loaded plugin Option High-Speed
> ** Message: Loaded plugin Generic
> ** (modem-manager:2104): DEBUG: (Huawei): (ttyUSB1) deferring support check
> ** (modem-manager:2104): DEBUG: (Huawei): (ttyUSB2) deferring support check
> ** Message: (ttyUSB0) opening serial device...
> ** (modem-manager:2104): DEBUG: (ttyUSB0): probe requested by plugin
> 'Huawei'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+GCAP<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <--
> 'AT+GCAP<CR><CR><LF>+GCAP: +CGSM,+DS,+ES<CR><LF><CR><LF>OK<CR><LF>'
> ** Message: (ttyUSB0) closing serial device...
> ** Message: (Huawei): GSM modem
> /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6 claimed port ttyUSB0
> ** (modem-manager:2104): DEBUG: Added modem
> /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6
> ** (modem-manager:2104): DEBUG: Exported modem
> /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6 as
> /org/freedesktop/ModemManager/Modems/0
> ** (modem-manager:2104): DEBUG: (ttyUSB1): re-checking support...
> ** Message: (ttyUSB1) opening serial device...
> ** (modem-manager:2104): DEBUG: (ttyUSB2): re-checking support...
> ** Message: (ttyUSB2) opening serial device...
> ** (modem-manager:2104): DEBUG: (ttyUSB2): <--
> '<CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:17<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:14<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:17<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:14<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<!
 CR>
>  <LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:17<CR><LF><CR><LF>^RSSI:14<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:17<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^RSSI:13<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF><CR><LF>^BOOT:20739682,0,0,0,24<CR><LF>'
> ** Message: (ttyUSB2) closing serial device...
> ** Message: (Huawei): GSM modem
> /sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6 claimed port ttyUSB2
> ** Message: (ttyUSB1) closing serial device...
> ** Message: (ttyUSB1) opening serial device...
> ** (modem-manager:2104): DEBUG: (ttyUSB1): probe requested by plugin
> 'Generic'
> ** (modem-manager:2104): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** Message: (ttyUSB1) closing serial device...
> ** Message: (ttyUSB0) opening serial device...
> ** Message: Modem /org/freedesktop/ModemManager/Modems/0: state changed
> (disabled -> enabling)
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'ATZ E0 V1 +CMEE=1<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- 'ATZ E0 V1 +CMEE=1<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'ATE0 +CMEE=1<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'ATX4 &C1<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG=0<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CFUN=1<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** Message: Modem /org/freedesktop/ModemManager/Modems/0: state changed
> (enabling -> enabled)
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CPIN?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CPIN:
> READY<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+COPS=0,,<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): --> 'AT+CREG?<CR>'
> ** (modem-manager:2104): DEBUG: (ttyUSB0): <-- '<CR><LF>+CREG:
> 0,0<CR><LF><CR><LF>OK<CR><LF>'
> backtrace
> 
> 
> Greetings
> Mirko
> 
> 
> 
> _______________________________________________
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