/dev/cdc-wdm2 doesn't work. Further more, instead of freezing at cat, it
freezes from echo.
Ctrl-c doesn't stop the frozen echo.
On 07/23/2014 12:45 PM, Bjørn Mork wrote:
> Stanescu Victor <Victor.Stanescu@xxxxxxxxx> writes:
>
>> root@victor-laptop:~# modprobe qmi_wwan
>> root@victor-laptop:~# dmesg
>> [ 6005.900671] usbcore: registered new interface driver cdc_wdm
>> [ 6005.902682] usbcore: registered new interface driver qmi_wwan
>> root@victor-laptop:~# echo "03f0 521d" >
>> /sys/bus/usb/drivers/qmi_wwan/new_id
>> root@victor-laptop:~# dmesg
>> [ 6005.900671] usbcore: registered new interface driver cdc_wdm
>> [ 6005.902682] usbcore: registered new interface driver qmi_wwan
>> [ 6023.507185] qmi_wwan 2-6:1.0: cdc-wdm0: USB WDM device
>> [ 6023.507419] qmi_wwan 2-6:1.0 wwan0: register 'qmi_wwan' at
>> usb-0000:00:14.0-6, WWAN/QMI device, 02:b2:8c:7a:5d:55
> Right. I was hoping you would have the usb-serial driver bound to this
> and the other serial functions so you avoided this. But it's not really
> a problem, just a bit confusing. You have to adjust the tests a bit.
>
>
>> [ 6023.508210] qmi_wwan: probe of 2-6:1.1 failed with error -22
>> [ 6023.509177] qmi_wwan: probe of 2-6:1.2 failed with error -22
>> [ 6023.509871] qmi_wwan 2-6:1.3: cdc-wdm1: USB WDM device
>> [ 6023.510099] qmi_wwan 2-6:1.3 wwan1: register 'qmi_wwan' at
>> usb-0000:00:14.0-6, WWAN/QMI device, 02:b2:8c:7a:5d:55
>> [ 6023.511420] qmi_wwan 2-6:1.4: cdc-wdm2: USB WDM device
>> [ 6023.511604] qmi_wwan 2-6:1.4 wwan2: register 'qmi_wwan' at
>> usb-0000:00:14.0-6, WWAN/QMI device, 58:2c:80:13:92:63
>
> This is the only possible candidate. So you should do all testing on
> the wwan2 and /dev/cdc-wdm2 devices.
>
>> root@victor-laptop:~# qmicli -d /dev/cdc-wdm0 --device-open-version-info
>> --wds-noop
>> error: couldn't open the QmiDevice: Transaction timed out
>> root@victor-laptop:~# echo -e "ATI\r" > /dev/cdc-wdm0
>> root@victor-laptop:~# cat /dev/cdc-wdm0
>> [frozen]
> Please repeat this using the /dev/cdc-wdm2 instead. The frozen output
> can be cancelled by ctrl+C
>
>
>
> Bjørn
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