03f0:521d Hewlett-Packard again

[Harald Jung]

Hi,

to be shure i removed usb_modeswitch from the last build and i added an 
udev rule, that the bConfiguration switch happened before modemmanager 
was started.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
usbcore: registered new interface driver uas
usbcore: registered new interface driver usb-storage
usbcore: registered new interface driver ums-datafab
usbcore: registered new interface driver uss720
usbcore: registered new interface driver btusb
usbcore: registered new interface driver usbserial
usbcore: registered new interface driver usbserial_generic
usbcore: registered new interface driver option
usbcore: registered new interface driver uvcvideo
usbcore: registered new interface driver cdc_ncm
usbcore: registered new interface driver cdc_wdm
usbcore: registered new interface driver cdc_mbim
usbcore: registered new interface driver usbhid

mbim is still not bound to the device
T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=02 Dev#=  3 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ff(vend.) Sub=02 Prot=01 MxPS=64 #Cfgs=  2
P:  Vendor=03f0 ProdID=521d Rev=00.01
S:  Manufacturer=Hewlett-Packard
S:  Product=HP hs3110 HSPA+ Mobile Broadband Device
C:  #Ifs= 3 Cfg#= 2 Atr=a0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=(none)
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=(none)
I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=05 Driver=option

how does the mbim driver detects the mbim capabilities of a device?


On 19.09.2016 23:02, Dan Williams wrote:
> On Mon, 2016-09-19 at 22:06 +0200, Harald Jung wrote:
>> At this point i have no idea why cdc_mbim doen't grab the device.
>> Just that it is loaded but i think it is just loaded by cdc_ncm
>> dependencies.
> Check usb_modeswitch/usb_modeswitch_dispatcher.  If you move them out
> of the way, does that help?  Older versions (like 2.4 and earlier) than
> the most recently released one would force-bind interfaces to some
> drivers which could interfere with kernel device matching.
>
> I just had this issue today for a Franklin U600 which should use cdc-
> acm on interfaces 0 & 1 and qcaux on 2-5.  But the presence of
> /usr/sbin/usb_modeswitch_dispatcher prevented cdc-acm from binding.
>   moving it out of the way fixed the issue, as would (I presume)
> updating my usb_modeswitch version.
>
> Dan
>
>> On 19.09.2016 22:03, Bjørn Mork wrote:
>>> Harald Jung <harald.jung at ecos.de> writes:
>>>
>>>> echo "03f0 521d" > /sys/bus/usb/drivers/cdc_mbim/new_id
>>>> had no effect
>>> And it should not.  The driver will match the MBIM class.
>>>
>>>> usb 1-3: GSM modem (1-port) converter now attached to ttyUSB0
>>>> usbcore: registered new interface driver cdc_ncm
>>>> usbcore: registered new interface driver cdc_wdm
>>>> usbcore: registered new interface driver cdc_mbim
>>>>
>>>> T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=02 Dev#=  3 Spd=480 MxCh= 0
>>>> D:  Ver= 2.00 Cls=ff(vend.) Sub=02 Prot=01 MxPS=64 #Cfgs=  2
>>>> P:  Vendor=03f0 ProdID=521d Rev=00.01
>>>> S:  Manufacturer=Hewlett-Packard
>>>> S:  Product=HP hs3110 HSPA+ Mobile Broadband Device
>>>> C:  #Ifs= 3 Cfg#= 2 Atr=a0 MxPwr=500mA
>>>> I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00
>>>> Driver=(none)
>>>> I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02
>>>> Driver=(none)
>>>> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=05
>>>> Driver=option
>>> The cdc_mbim driver should at least try to bind to the two first
>>> interfaces.  Don't you see any other messages from it in the log?
>>>
>>>
>>> Bjørn
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