Here is the Syslog information when trying a manual reconnect after the connection dies. At this point the PC needs to be rebooted before a new connection can be established with the CDMA modem.
May 24 08:52:15 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) starting connection 'Alltel EVDO' May 24 08:52:15 ANDO-GTWY NetworkManager: <info> (ttyUSB0): device state change: 3 -> 4 May 24 08:52:15 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled... May 24 08:52:15 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started... May 24 08:52:15 ANDO-GTWY NetworkManager: <debug> [1243169535.251880] nm_serial_device_open(): (ttyUSB0) opening device... May 24 08:52:15 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) complete. May 24 08:52:15 ANDO-GTWY NetworkManager: <info> (ttyUSB0): powering up... May 24 08:52:22 ANDO-GTWY NetworkManager: <info> Connected, Woo! May 24 08:52:22 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 2 of 5 (Device Configure) scheduled... May 24 08:52:22 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 2 of 5 (Device Configure) starting... May 24 08:52:22 ANDO-GTWY NetworkManager: <info> (ttyUSB0): device state change: 4 -> 5 May 24 08:52:22 ANDO-GTWY NetworkManager: <info> Starting pppd connection May 24 08:52:22 ANDO-GTWY NetworkManager: <debug> [1243169542.936927] nm_ppp_manager_start(): Command line: /usr/sbin/pppd nodetach lock nodefaultroute user 9893397...@alltel.net ttyUSB0 noipdefault noauth usepeerdns lcp-echo-failure 0 lcp-echo-interval 0 ipparam /org/freedesktop/NetworkManager/PPP/1 plugin /usr/lib/pppd/2.4.4/nm-pppd-plugin.so May 24 08:52:22 ANDO-GTWY NetworkManager: <debug> [1243169542.950627] nm_ppp_manager_start(): ppp started with pid 28484 May 24 08:52:22 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) Stage 2 of 5 (Device Configure) complete. May 24 08:52:22 ANDO-GTWY pppd[28484]: Plugin /usr/lib/pppd/2.4.4/nm-pppd-plugin.so loaded. May 24 08:52:22 ANDO-GTWY pppd[28484]: pppd 2.4.4 started by root, uid 0 May 24 08:52:22 ANDO-GTWY pppd[28484]: Using interface ppp0 May 24 08:52:22 ANDO-GTWY pppd[28484]: Connect: ppp0 <--> /dev/ttyUSB0 May 24 08:52:23 ANDO-GTWY pppd[28484]: Cannot determine ethernet address for proxy ARP May 24 08:52:23 ANDO-GTWY pppd[28484]: local IP address 174.42.251.165 May 24 08:52:23 ANDO-GTWY pppd[28484]: remote IP address 66.174.161.64 May 24 08:52:23 ANDO-GTWY pppd[28484]: primary DNS address 66.174.95.44 May 24 08:52:23 ANDO-GTWY pppd[28484]: secondary DNS address 66.174.92.14 May 24 08:52:27 ANDO-GTWY kernel: [66602.133472] Inbound IN=wlan0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:13:8f:43:de:88:08:00 SRC=192.168.0.150 DST=192.168.0.255 LEN=78 TOS=0x00 PREC=0x00 TTL=128 ID=25606 PROTO=UDP SPT=137 DPT=137 LEN=58 May 24 08:52:28 ANDO-GTWY kernel: [66602.848751] Inbound IN=wlan0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:13:8f:43:de:88:08:00 SRC=192.168.0.150 DST=192.168.0.255 LEN=78 TOS=0x00 PREC=0x00 TTL=128 ID=25607 PROTO=UDP SPT=137 DPT=137 LEN=58 May 24 08:52:28 ANDO-GTWY kernel: [66603.667938] Inbound IN=wlan0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:13:8f:43:de:88:08:00 SRC=192.168.0.150 DST=192.168.0.255 LEN=78 TOS=0x00 PREC=0x00 TTL=128 ID=25608 PROTO=UDP SPT=137 DPT=137 LEN=58 May 24 08:52:38 ANDO-GTWY NetworkManager: <WARN> pppd_timed_out(): Looks like pppd didn't initialize our dbus module May 24 08:52:38 ANDO-GTWY pppd[28484]: Terminating on signal 15 May 24 08:52:38 ANDO-GTWY pppd[28484]: Connect time 0.3 minutes. May 24 08:52:38 ANDO-GTWY pppd[28484]: Sent 0 bytes, received 0 bytes. May 24 08:52:38 ANDO-GTWY NetworkManager: <info> (ttyUSB0): device state change: 5 -> 9 May 24 08:52:38 ANDO-GTWY NetworkManager: <debug> [1243169558.008654] nm_serial_device_close(): Closing device 'ttyUSB0' May 24 08:52:38 ANDO-GTWY NetworkManager: <info> Marking connection 'Alltel EVDO' invalid. May 24 08:52:38 ANDO-GTWY NetworkManager: <info> Activation (ttyUSB0) failed. May 24 08:52:38 ANDO-GTWY NetworkManager: <info> (ttyUSB0): device state change: 9 -> 3 May 24 08:52:38 ANDO-GTWY NetworkManager: <info> (ttyUSB0): deactivating device (reason: 0). May 24 08:52:38 ANDO-GTWY NetworkManager: nm_system_device_flush_ip4_routes_with_iface: assertion `iface_idx >= 0' failed May 24 08:52:38 ANDO-GTWY NetworkManager: nm_system_device_flush_ip4_addresses_with_iface: assertion `iface_idx >= 0' failed May 24 08:52:38 ANDO-GTWY pppd[28484]: Connection terminated. May 24 08:52:38 ANDO-GTWY pppd[28484]: Exit. May 24 08:52:38 ANDO-GTWY wpa_supplicant[2790]: CTRL-EVENT-SCAN-RESULTS May 24 08:52:40 ANDO-GTWY NetworkManager: <debug> [1243169560.004382] ensure_killed(): waiting for ppp pid 28484 to exit
