Re: Mobile broadband and carriers

[Janne Boman <janne matolaatikko net>]

Marc Luethi wrote:
>
> Try disabling Wireless globally in NM before starting the Mobile
> Broadband connection.
>
> I can't get Mobile Broadband to work either on my Ubuntu 8.10 while any
> WiFi or LAN connection remains enabled. It results in a very wierd
> setup, where the default route remains on the wlan0 interface (or eth0,
> for that matter...).
>
> ~$ route -n
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric  Iface
> 10.6.6.6        0.0.0.0         255.255.255.255 UH    0       ppp0
> 172.20.124.0	0.0.0.0		255.255.255.0	U     2	      wlan0
> 169.254.0.0     0.0.0.0         255.255.0.0     U     1000    ppp0
> 0.0.0.0         172.20.124.1    0.0.0.0         UG    0       wlan0
>
>
> Yet, the Mobile ISP's DNS servers take precedence over the WLAN ones:
>
> marc torch:~$ more /etc/resolv.conf
> # Dynamic resolv.conf(5) file for glibc resolver(3) generated by
> resolvconf(8)
> #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
> nameserver 138.188.101.186
> nameserver 138.188.101.189
> nameserver 172.20.124.1
>
>
>
> This can't work, really - what if the Mobile ISP assigns DNS addresses
> that are not routeable via the WLAN network?
>
>
> regards
>
> Marc
>
>
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>   

Now I've got something, here is the relevant part from
/var/log/daemon.log after disabling wlan & plugging phone:

Jan 20 13:06:12 lauta nm-system-settings:    SCPlugin-Ifupdown: device
added (udi:
/org/freedesktop/Hal/devices/usb_device_4e8_6601_noserial_if0_serial_unknown_0,
iface: (null)): iface not found
Jan 20 13:06:12 lauta NetworkManager: <info>  ttyACM0: driver is 'cdc_acm'.
Jan 20 13:06:12 lauta NetworkManager: <debug> [1232449572.302092]
setup_monitor_device(): No monitoring udi provided
Jan 20 13:06:12 lauta NetworkManager: <info>  Found new Modem device
'ttyACM0'.
Jan 20 13:06:12 lauta NetworkManager: <info>  (ttyACM0): exported as
/org/freedesktop/Hal/devices/usb_device_4e8_6601_noserial_if0_serial_unknown_0
Jan 20 13:06:16 lauta NetworkManager: <info>  (ttyACM0): device state
change: 1 -> 2
Jan 20 13:06:16 lauta NetworkManager: <info>  (ttyACM0): deactivating
device (reason: 2).
Jan 20 13:06:16 lauta NetworkManager:
nm_system_device_flush_ip4_routes_with_iface: assertion `iface_idx >= 0'
failed
Jan 20 13:06:16 lauta NetworkManager:
nm_system_device_flush_ip4_addresses_with_iface: assertion `iface_idx >=
0' failed
Jan 20 13:06:16 lauta NetworkManager: <info>  (ttyACM0): device state
change: 2 -> 3
Jan 20 13:06:19 lauta NetworkManager: <info>  Activation (ttyACM0)
starting connection 'Elisa'
Jan 20 13:06:19 lauta NetworkManager: <info>  (ttyACM0): device state
change: 3 -> 4
Jan 20 13:06:19 lauta NetworkManager: <info>  Activation (ttyACM0) Stage
1 of 5 (Device Prepare) scheduled...
Jan 20 13:06:19 lauta NetworkManager: <info>  Activation (ttyACM0) Stage
1 of 5 (Device Prepare) started...
Jan 20 13:06:19 lauta NetworkManager: <debug> [1232449579.038966]
nm_serial_device_open(): (ttyACM0) opening device...
Jan 20 13:06:19 lauta NetworkManager: <info>  Activation (ttyACM0) Stage
1 of 5 (Device Prepare) complete.
Jan 20 13:06:22 lauta NetworkManager: <WARN>  check_pin_done(): PIN
checking timed out
Jan 20 13:06:22 lauta NetworkManager: <info>  (ttyACM0): device state
change: 4 -> 9
Jan 20 13:06:22 lauta NetworkManager: <debug> [1232449582.196186]
nm_serial_device_close(): Closing device 'ttyACM0'
Jan 20 13:06:22 lauta NetworkManager: <info>  Marking connection 'Elisa'
invalid.
Jan 20 13:06:22 lauta NetworkManager: <info>  Activation (ttyACM0) failed.
Jan 20 13:06:22 lauta NetworkManager: <info>  (ttyACM0): device state
change: 9 -> 3
Jan 20 13:06:22 lauta NetworkManager: <info>  (ttyACM0): deactivating
device (reason: 0).
Jan 20 13:06:22 lauta NetworkManager:
nm_system_device_flush_ip4_routes_with_iface: assertion `iface_idx >= 0'
failed
Jan 20 13:06:22 lauta NetworkManager:
nm_system_device_flush_ip4_addresses_with_iface: assertion `iface_idx >=
0' failed