Public bug reported:
After booting the system, nm-applet does not recognize the pseudo-USB
devices as 3g modems.
It is possible to make nm see the modem by manually unloading and
reloading the sierra module:
modprobe -r sierra && modprobe sierra
However, connect using the card still fails:
Jul 13 23:33:30 kdg80038344 NetworkManager: <info> Starting pppd connection
Jul 13 23:33:30 kdg80038344 NetworkManager: <debug> [1247520810.318078]
nm_ppp_manager_start(): Command line: /usr/sbin/pppd nodetach lock
nodefaultroute user vodafone ttyUSB0 noipdefault noauth usepeerdns
lcp-echo-failure 0 lcp-echo-interval 0 ipparam
/org/freedesktop/NetworkManager/PPP/0 plugin
/usr/lib/pppd/2.4.4/nm-pppd-plugin.so
Jul 13 23:33:30 kdg80038344 NetworkManager: <debug> [1247520810.328543]
nm_ppp_manager_start(): ppp started with pid 4770
Jul 13 23:33:30 kdg80038344 NetworkManager: <info> Activation (ttyUSB0) Stage
2 of 5 (Device Configure) complete.
Jul 13 23:33:30 kdg80038344 pppd[4770]: Plugin
/usr/lib/pppd/2.4.4/nm-pppd-plugin.so loaded.
Jul 13 23:33:30 kdg80038344 pppd[4770]: pppd 2.4.5 started by root, uid 0
Jul 13 23:33:30 kdg80038344 pppd[4770]: Using interface ppp0
Jul 13 23:33:30 kdg80038344 pppd[4770]: Connect: ppp0 <--> /dev/ttyUSB0
Jul 13 23:33:30 kdg80038344 pppd[4770]: Unable to obtain CHAP password for
vodafone on UMTS_CHAP_SRVR from plugin
Jul 13 23:33:30 kdg80038344 pppd[4770]: No CHAP secret found for authenticating
us to UMTS_CHAP_SRVR
Jul 13 23:33:30 kdg80038344 pppd[4770]: CHAP authentication succeeded
Jul 13 23:33:30 kdg80038344 pppd[4770]: CHAP authentication succeeded
Jul 13 23:33:30 kdg80038344 kernel: [ 170.257751] PPP BSD Compression module
registered
Jul 13 23:33:30 kdg80038344 kernel: [ 170.288057] PPP Deflate Compression
module registered
Jul 13 23:33:34 kdg80038344 pppd[4770]: Could not determine remote IP address:
defaulting to 10.64.64.64
Jul 13 23:33:34 kdg80038344 pppd[4770]: Cannot determine ethernet address for
proxy ARP
Jul 13 23:33:34 kdg80038344 pppd[4770]: local IP address 77.25.248.130
Jul 13 23:33:34 kdg80038344 pppd[4770]: remote IP address 10.64.64.64
Jul 13 23:33:34 kdg80038344 pppd[4770]: primary DNS address 139.7.30.126
Jul 13 23:33:34 kdg80038344 pppd[4770]: secondary DNS address 139.7.30.125
Jul 13 23:33:46 kdg80038344 NetworkManager: <WARN> pppd_timed_out(): Looks
like pppd didn't initialize our dbus module
Jul 13 23:33:46 kdg80038344 NetworkManager: <info> (ttyUSB0): device state
change: 5 -> 9
Jul 13 23:33:46 kdg80038344 pppd[4770]: Terminating on signal 15
Jul 13 23:33:46 kdg80038344 NetworkManager: <debug> [1247520826.002574]
nm_serial_device_close(): Closing device 'ttyUSB0'
Jul 13 23:33:46 kdg80038344 pppd[4770]: Connect time 0.2 minutes.
If suspended and resumed once, the device is recognized and usable
immediately.
Attached you find lsmod output before and after resume.
Thanks for your help.
** Affects: ubuntu
Importance: Undecided
Status: New
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Sierra Wireless Device not recognized by NM at Boot / works after resume
https://bugs.launchpad.net/bugs/399210
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