Re: ModemManager D-Link DWM-156 guesses wrong ttyUSBx port

[Dan Williams <dcbw redhat com>]

On Wed, 2010-04-21 at 01:33 +0800, Ascanio Alba wrote:
> Hi,
> 
> 
> ModemManager occasionally guesses the wrong data port on a D-Link
> DWM-156.
> Is there a way (udev/rules.d magic?) to force MM to
> accept /dev/ttyUSB0 as the data port?

We do this for a number of devices already, so we'll want to do it for
the D-Link one too.  Any chance you can email me the contents of the
driver CD (or the fake CD the device provides when you plug it in the
first time?)

Dan

> 
> 
> 
> The USB broadband modem device D-Link DWM-156 (07d1:3e02 after mode
> switch)
> has four USB interfaces /dev/ttyUSB0-3. ttyUSB0 is the data port;
> Windows INF file describes
> the others as:
> ttyUSB1 - Diagnostic USB\VID_07D1&PID_3E02&MI_01
> ttyUSB2 - AT CmdRsp USB\VID_07D1&PID_3E02&MI_02
> ttyUSB3 - Notification USB\VID_07D1&PID_3E02&MI_03
> 
> 
> Using the option driver, ModemManager probes with generic but
> unfortunately both ttyUSB2 and ttyUSB3
> answer (to AT+GCAP) exactly the same as ttyUSB0. Whichever port
> answers first is exported as modem.
> 
> 
> Example: ttyUSB2 is probed (and answers) first and is exported as GSM
> modem *WRONG*
> 
> 
> ** Message: (ttyUSB2) opening serial device...
> ** (modem-manager:2371): DEBUG: (ttyUSB2): probe requested by plugin
> 'Generic'
> ** Message: (ttyUSB1) opening serial device...
> ** (modem-manager:2371): DEBUG: (ttyUSB1): probe requested by plugin
> 'Generic'
> ** Message: (ttyUSB0) opening serial device...
> ** (modem-manager:2371): DEBUG: (ttyUSB0): probe requested by plugin
> 'Generic'
> ** Message: (ttyUSB3) opening serial device...
> ** (modem-manager:2371): DEBUG: (ttyUSB3): probe requested by plugin
> 'Generic'
> ** (modem-manager:2371): DEBUG: (ttyUSB2): --> 'AT+GCAP<CR>'
> ** (modem-manager:2371): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2371): DEBUG: (ttyUSB0): --> 'AT+GCAP<CR>'
> ** (modem-manager:2371): DEBUG: (ttyUSB3): --> 'AT+GCAP<CR>'
> ** (modem-manager:2371): DEBUG: (ttyUSB2): <-- 'AT
> +GCAP<CR><CR><LF>+GCAP: +CGSM,+FCLASS,+DS<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2371): DEBUG: (ttyUSB0): <-- 'AT
> +GCAP<CR><CR><LF>+GCAP: +CGSM,+FCLASS,+DS<CR><LF><CR><LF>OK<CR><LF>'
> ** (modem-manager:2371): DEBUG: (ttyUSB3): <-- 'AT
> +GCAP<CR><CR><LF>+GCAP: +CGSM,+FCLASS,+DS<CR><LF><CR><LF>OK<CR><LF>'
> ** Message: (ttyUSB2) closing serial device...
> ** Message: (ttyUSB0) closing serial device...
> ** Message: (ttyUSB3) closing serial device...
> ** Message: (Generic): GSM
> modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port
> ttyUSB2
> ** (modem-manager:2371): DEBUG: Added
> modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3
> ** (modem-manager:2371): DEBUG: Exported
> modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3
> as /org/freedesktop/ModemManager/Modems/1
> ** Message: (Generic): GSM
> modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port
> ttyUSB0
> ** Message: (Generic): GSM
> modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port
> ttyUSB3
> ** (modem-manager:2371): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** (modem-manager:2371): DEBUG: (ttyUSB1): --> 'AT+GCAP<CR>'
> ** Message: (ttyUSB1) closing serial device...
> 
> 
> ATI on /dev/ttyUSB2 gives:
> 
> 
> ati
>        
> Manufacturer: QUALCOMM INCORPORATED
>        
> Model: 29
>        
> Revision: 090610_GKDNIL_M0.20  1  [compilation=Jun 10 2009
> 12:06:58][Release=Jun 10 2009 06:00:00]
> IMEI: 353005035097379                   
> +GCAP: +CGSM,+DS,+ES                    
>                                         
> OK
> 
> 
> 
> 
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