Sierra EM7305: MaxActivatedContexts

[Aleksander Morgado]

On Wed, Nov 5, 2014 at 1:46 PM, Florian Klink <flokli at flokli.de> wrote:
> Today when I tried to use my modem, I was unable to connect successfully.
>
> It seems like the modem was (internally) connected, but ModemManager
> thought it was disconnected. "ip a" showed no ip address.
>
> I attached the syslog.
>
> Does this make any sense to you?


The "Transaction timed out" log doesn't make any sense, because all
commands in the MBIM bearer connection sequence have some pretty long
timeout values.

Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info> Activation
(cdc-wdm0) starting connection 'O2 Pay-by-MB'
Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info> Activation
(cdc-wdm0) Stage 1 of 5 (Device Prepare) scheduled...
Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info> Activation
(cdc-wdm0) Stage 1 of 5 (Device Prepare) started...
Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info> (cdc-wdm0):
device state change: disconnected -> prepare (reason 'none') [30 40 0]
Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info>
NetworkManager state is now CONNECTING
Nov 05 09:52:35 flokli-fujitsu NetworkManager[575]: <info> Activation
(cdc-wdm0) Stage 1 of 5 (Device Prepare) complete.
Nov 05 09:52:35 flokli-fujitsu ModemManager[573]: <info>  Simple
connect started...
Nov 05 09:52:35 flokli-fujitsu ModemManager[573]: <info>  Simple
connect state (4/8): Wait to get fully enabled
Nov 05 09:52:36 flokli-fujitsu ModemManager[573]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/0: state changed (disconnecting
-> registered)
Nov 05 09:52:36 flokli-fujitsu ModemManager[573]: <info>  Simple
connect state (5/8): Register
Nov 05 09:52:36 flokli-fujitsu ModemManager[573]: <info>  Simple
connect state (6/8): Bearer
Nov 05 09:52:36 flokli-fujitsu ModemManager[573]: <info>  Simple
connect state (7/8): Connect
Nov 05 09:52:36 flokli-fujitsu ModemManager[573]: <info>  Modem
/org/freedesktop/ModemManager1/Modem/0: state changed (registered ->
connecting)
Nov 05 09:52:36 flokli-fujitsu NetworkManager[575]: <info> (cdc-wdm0):
modem state changed, 'disconnecting' --> 'registered' (reason:
user-requested)
Nov 05 09:52:36 flokli-fujitsu NetworkManager[575]: <warn> (cdc-wdm0)
failed to connect modem: Transaction timed out
Nov 05 09:52:36 flokli-fujitsu NetworkManager[575]: <info> (cdc-wdm0):
device state change: prepare -> failed (reason '(null)') [40 120 1]
Nov 05 09:52:36 flokli-fujitsu NetworkManager[575]: <info>
NetworkManager state is now DISCONNECTED

Are you able to reproduce this easily? If so, could you gather debug logs?
http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/

-- 
Aleksander
https://aleksander.es