[Spice-devel] Native USB redirection does not work - (remote-viewer) did not claim interface 0 before use

[Sigbjorn Lie]

On Wed, November 28, 2012 20:50, Hans de Goede wrote:
> Hi,
>
>
> On 11/28/2012 12:45 PM, Sigbjorn Lie wrote:
>
>> Hi,
>>
>>
>> I receive the following errors when I attempt to use native USB redirection in RHEV 3.1 beta.
>> It's
>> a smart card reader I am attempting to redirect into a virtual Windows 7 x64 machine.
>>
>> Is this a known error?
>>
>
> It seems that pcscd is using the reader from userspace just like spice is, and the pcscd
> driver is not properly claiming the interface, and therefor both are trying to talk to the device
> at the same time!
>
> What might help here is to try and disable the pcscd service.
>
>
> Regards,
>
>
> Hans
>
>
>


Hi,

Thanks for your reply.

I did try to run "service pcscd stop", and reconnect the smardcard reader to a different USB port,
and then attempted to share the smartcard reader with the virtual machine. The same issue
occurred.





Regards,
Siggi