Hi,

On 05/22/2012 04:08 PM, Paulo Assis wrote:
> Hi,
> This bug also causes the camera to crash when changing fps in
> guvcview, uvc devices (at least all the ones I tested) require the
> stream to be restarted for fps to change, so in the case of this
> driver after STREAMOFF the camera just becomes unresponsive.
>
> Regards,
> Paulo
>
> 2012/5/22 Lluís Batlle i Rossell<viric@viric.name>:
>> Hello,
>>
>> I'm trying to get video using v4l2 ioctls from a gspca_ov519 camera, and after
>> STREAMOFF all buffers are still flagged as QUEUED, and QBUF fails.  DQBUF also
>> fails (blocking for a 3 sec timeout), after streamoff. So I'm stuck, after
>> STREAMOFF, unable to get pictures coming in again. (Linux 3.3.5).
>>
>> As an additional note, pinchartl on irc #v4l says to favour a moving of gspca to
>> vb2. I don't know what it means.
>>
>> Can someone take care of the bug, or should I consider the camera 'non working'
>> in linux?

We talked about this on irc, attached it a patch which should fix this, feedback
appreciated.

Regards,

Hans