77-mm-usb-device-blacklist.rules - allow blacklisting various devices

[poma]

On 03.09.2014 21:13, Dan Williams wrote:
> On Wed, 2014-09-03 at 19:12 +0200, poma wrote:
>> On 03.09.2014 18:37, Dan Williams wrote:
>>> On Wed, 2014-09-03 at 18:06 +0200, poma wrote:
>>>> On 03.09.2014 10:11, Aleksander Morgado wrote:
>>>>> On Wed, Sep 3, 2014 at 3:42 AM, poma <pomidorabelisima at gmail.com> wrote:
>>>>>> +# Moschip Semiconductor USB-MAC Controller (MCS7830 10/100 Mbps Ethernet adapter)
>>>>>> +ATTRS{idVendor}=="9710", ATTRS{idProduct}=="7830", ENV{ID_MM_DEVICE_IGNORE}="1"
>>>>>> +
>>>>>> +# Conexant Systems (Rockwell), Inc. USB Modem (TRENDnet TFM-561U 56K USB Modem)
>>>>>> +ATTRS{idVendor}=="0572", ATTRS{idProduct}=="1329", ENV{ID_MM_DEVICE_IGNORE}="1"
>>>>>> +
>>>>>
>>>>>
>>>>> The purpose of the blacklist is to include there only devices that
>>>>> expose TTYs and are not modems.
>>>>>
>>>>>  * Does the Ethernet adapter expose a TTY? If not, then it doesn't
>>>>> need to be in the blacklist (MM does not probe anything in those).
>>>>
>>>> Why is the MM deals with Ethernet adapters in the first place?
>>>
>>> Because many modems for the past 3 or 4 years expose themselves as
>>> Ethernet adapters *and* TTYs or other proprietary interfaces.  And it's
>>> not easy to say that one kernel network device is a modem and another
>>> kernel network device is not a modem.
>>>
>>> Dan
>>
>> Earth calling!
>>
>> Starting Modem Manager...
>> <info>  ModemManager (version 1.4.0-1.fc22) starting in system bus...
>> Started Modem Manager.
>> <warn>  Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:04.1/usb1/1-4': not supported by any plugin
>> <warn>  Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:0a.0': not supported by any plugin
>> <info>  Creating modem with plugin 'Generic' and '1' ports
>> <info>  Modem for device at '/sys/devices/pci0000:00/0000:00:04.0/usb2/2-3' successfully created
>> <warn>  Modem couldn't be initialized: couldn't load current capabilities: Failed to determine modem capabilities.
> 
> This is simply a ModemManager bug, not a blacklist issue.  USB ethernet
> adapters should work the same way that PCI ones do, where MM ignores
> them if they aren't paired with a control channel.  So we'll look into
> this bug and fix it.  Note that NM isn't actually touching the ethernet
> device at all, unlike TTY probing.
> 
> Dan
> 

Probably you intended to write the MM. :)
Let your company give you a "slightly" longer vacation.

"Be aware those of you whom have a TTY, MM shall probe!"


poma