Re: ModemManager: 3G option modem can't connect

[Dan Williams <dcbw redhat com>]

On Mon, 2010-07-19 at 20:17 +0800, bensonwu wrote:
> Hi Dan:
> 
> 	can you  help me solve the problem, thanks.
> 	when plug the modem (option GIO225), the modem-manager will be run command "AT+GCAP", but it do not return any information and can not continue to the next.
> 	can you tell me why? the environment is MeeGo system.
> 
> please look at my log message:
> 
> when plug in the modem, have the log message:
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 
> ** Message: (ttyHS2) opening serial device...
> ** (modem-manager:2268): DEBUG: (ttyHS2): probe requested by plugin 'Option High-Speed'
> ** Message: (ttyHS1) opening serial device...
> ** (modem-manager:2268): DEBUG: (ttyHS1): probe requested by plugin 'Option High-Speed'
> ** Message: (ttyHS0) opening serial device...
> ** (modem-manager:2268): DEBUG: (ttyHS0): probe requested by plugin 'Option High-Speed'
> ** Message: (Option High-Speed): GSM modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2 claimed port hso0
> ** (modem-manager:2268): DEBUG: Added modem /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2
> ** (modem-manager:2268): DEBUG: (ttyHS2): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS0): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS2): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS0): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS2): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2268): DEBUG: (ttyHS0): --> 'AT+GCAP<CR>'
> ** Message: (ttyHS2) closing serial device...
> ** Message: (ttyHS1) closing serial device...

Can you provide some 'dmesg' output from when you plug the device in?
Next, are you able to install 'minicom' or some other serial
communication program that we could use to verify basic communication
with the device to isolate the issue to either ModemManager or to the
kernel?

Dan