Cab't get working Lenovo (Ericsson?) N5321GW

[Aleksander Morgado]

On Tue, Feb 17, 2015 at 6:26 AM, Leandro Noferini
<lnoferin at cybervalley.org> wrote:
>>> I can't get working my modem from a Lenovo X240.
>>
>> It actually looks like it's working fine, from the logs and output.
>> What specifically is not working for you?  The data connection?
>
> Yes, my original message lacks many informations, sorry!
>
> The data connection does not realize and in the end in syslog (without
> debug) I read this message:
>
> Feb 17 06:16:07 tricheco kernel: [ 9924.500304] NetworkManager[2287]: segfault at 0 ip 00007fe0c592eb52 sp 00007fffa37847d0 error 4 in libnm-wwan.so[7fe0c5922 000+13000]
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> (ttyACM7): device state change: prepare -> config (reason 'none') [40 50 0]
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stage 2 of 5 (Device Configure) successful.
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stage 3 of 5 (IP Configure Start) scheduled.
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stage 2 of 5 (Device Configure) complete.
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stage 3 of 5 (IP Configure Start) started...
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> (ttyACM7): device state change: config -> ip-config (reason 'none') [50 70 0]
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> Activation (ttyACM7) Stag\
> e 3 of 5 (IP Configure Start) complete.
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info> (ttyACM7): IPv4 static co\
> nfiguration:
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info>   address 10.191.64.27/28
> Feb 17 06:16:07 tricheco NetworkManager[2287]: <info>   gateway 10.191.64.26
> Feb 17 06:16:07 tricheco systemd[1]: NetworkManager.service: main process exite\
> d, code=killed, status=11/SEGV
> Feb 17 06:16:07 tricheco kernel: [ 9924.504622] cdc_ncm 1-4:1.6 wwan0: network connection: disconnected
> Feb 17 06:16:07 tricheco systemd[1]: Unit NetworkManager.service entered failed state.
> Feb 17 06:16:07 tricheco gnome-session[1437]: (nm-applet:1730): GLib-CRITICAL **: Source ID 677 was not found when attempting to remove it
> Feb 17 06:16:07 tricheco kernel: [ 9924.512631] cdc_ncm 1-4:1.6 wwan0: 21 mbit/s downlink 5 mbit/s uplink
> Feb 17 06:16:07 tricheco kernel: [ 9924.520641] cdc_ncm 1-4:1.6 wwan0: network connection: connected
> Feb 17 06:16:07 tricheco kernel: [ 9924.520696] IPv6: ADDRCONF(NETDEV_CHANGE): wwan0: link becomes ready
> Feb 17 06:16:07 tricheco gnome-session[1437]: Gjs-Message: JS LOG: Removing a network device that was not added
> Feb 17 06:16:08 tricheco NetworkManager[19789]: <info> NetworkManager (version 0.9.10.0) is starting...
>
> The very first line especially does indicate a problem on
> NetworkManager?

Yeah, that's a segfault in the WWAN handing in ModemManager. Not sure
if this is an already fixed issue or not. Could you try to get
NetworkManager debug logs as per
http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/?


-- 
Aleksander
https://aleksander.es