Re: USB CDC ethernet interface from Ubuntu on VirtualBox to Windows 7

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On Mon, Feb 27, 2012 at 11:53 PM, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Mon, Feb 27, 2012 at 11:46:34PM +0530, Manavendra Nath Manav wrote:
>> On Mon, Feb 27, 2012 at 1:13 PM, Manavendra Nath Manav
>> <mnm.kernel@xxxxxxxxx> wrote:
>> > Hi All,
>> >
>> > I am having a USB CDC ethernet device whose driver exists only for
>> > Linux. However, my end application needs to run on Windows. So, I have
>> > set up Ubuntu 11.10 on Virtual Box running on Windows-7. Ubuntu is
>> > able to register the device but not able to open an interface for it,
>> > say eth1, etc.
>> >
>> > [  382.531901] usb 2-1: new full speed USB device number 4 using uhci_hcd
>> > [  392.992690] cdc_ether: probe of 2-1:2.0 failed with error -32
>> >
>> > e518816@ubuntu:~$ lsusb
>> > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> > Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>> > Bus 002 Device 002: ID 0e0f:0002 VMware, Inc. Virtual USB Hub
>> > Bus 002 Device 004: ID 0e1e:0800
>> > e518816@ubuntu:~$
>> >
>> > My device is "Bus 002 Device 004". How to enable USB CDC ethernet on
>> > this device and expose this interface to Windows using a loop-back
>> > adapter. Any solution on VMware would also be helpful.
>> >
>> > --
>> > Manavendra Nath Manav
>>
>> Any inputs about what might be the problem. I am able to register the
>> device perfectly on standalone Linux machine but on Linux running on
>> Virtual box, USB CDC ethernet device is not able to register. Any help
>> would be greatly appreciated.
>
> As this is a Windows issue, combined with virtual box, I suggest you ask
> on a virtualbox mailing list, there's nothing we can do here, sorry.
>
> best of luck,
>
> greg k-h

Okay, I will post in Virtual box mailing list too. Just a small query,
what does "[usb probe] failed with error -32" means here? I am just
curious to know can we reverse engineer the root cause by looking at
this error.

-- 
Manavendra Nath Manav

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