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

[Hans de Goede]

Hi,

On 11/29/2012 03:16 PM, Sigbjorn Lie wrote:
> The error messages we're exactly the same, except that pcscd did not attempt to attach to the device...

Given that the error log was full with mostly pcscd message it
would be useful to get a log with only the usbredir / remote-viewer
messages.

Thanks & Regards,

Hans

>
> Rgds
> Siggi
>
> Hans de Goede <hdegoede at redhat.com> wrote:
>
>     Hi,
>
>     On 11/28/2012 09:56 PM, Sigbjorn Lie wrote:
>
>
>
>         On Wed, November 28, 2012 21:11, Hans de Goede wrote:
>
>             Hi,
>
>
>             On 11/28/2012 09:06 PM, Sigbjorn Lie wrote:
>
>
>
>
>                 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.
>
>
>             Including all the pcscd related error messages? Then I guess the pcscd process was not stopped
>             properly... Maybe try disabling the service then rebooting ?
>
>
>
>
>         All the messages from pcscd stopped appearing in the log after I stopped the service. I will try
>         to disable pcscd with chkconfig and reboot tomorrow when I'm back at work.
>
>
>     But usb-redirection for the ccid device still did not work? Were there any messages in dmesg /
>     on the terminal where you started remote-viewer for an attempt without pcscd running?
>
>     Regards,
>
>     Hans
>
>
> --
> Sent from my Android phone with K-9 Mail. Please excuse my brevity.