Comment 6 for bug 411724

I started getting similar problems in karmic, but I haven't seen any nm crash. I just see messages like these in my syslog:

Oct 1 07:41:48 krank kernel: [ 2287.600633] usb 5-2: configuration #1 chosen from 1 choice
Oct 1 07:41:48 krank kernel: [ 2287.633422] option 5-2:1.0: GSM modem (1-port) converter detected
Oct 1 07:41:48 krank kernel: [ 2287.633518] usb 5-2: GSM modem (1-port) converter now attached to ttyUSB0
Oct 1 07:41:48 krank kernel: [ 2287.636380] option 5-2:1.1: GSM modem (1-port) converter detected
Oct 1 07:41:48 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:41:48 krank modem-manager: (ttyUSB0) opening serial device...
Oct 1 07:41:48 krank modem-manager: (ttyUSB0) opening serial device...
Oct 1 07:41:51 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:41:51 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:41:54 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:41:54 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:41:57 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:41:57 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:42:00 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:42:00 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:42:03 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:42:03 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:42:06 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:42:06 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:42:09 krank modem-manager: (ttyUSB1): re-checking support...
Oct 1 07:42:09 krank modem-manager: (Huawei): (ttyUSB1) deferring support check
Oct 1 07:42:12 krank modem-manager: (ttyUSB1): re-checking support...

and so on