Hi Riccardo,

On Friday 19 November 2010 09:07:40 Riccardo Magliocchetti wrote:
> Il 19/11/2010 01:28, Laurent Pinchart ha scritto:
> > On Monday 01 November 2010 12:01:50 Riccardo Magliocchetti wrote:
> >> Il 30/10/2010 20:58, Laurent Pinchart ha scritto:
> >>> On Friday 22 October 2010 21:19:22 Riccardo Magliocchetti wrote:
> >>>> Il 20/10/2010 01:48, Laurent Pinchart ha scritto:
> >>>> 
> >>>> well, i've found that it's working fine out the box, it's actually a
> >>>> call to luvcview -L -d /dev/video1 that breaks it.
> >>> 
> >>> I'm very surprised by that. luvcview -L doesn't modify the hardware
> >>> state. Maybe only the first stream attempt succeeds ? Could you try
> >>> running luvcview -d /dev/Video1 multiple times in a row ?
> >> 
> >> You are right, the first time luvcview -d /dev/video1 works fine, the
> >> second it does not.
> > 
> > So the hardware probably crashes when the stream is stopped. Bad hardware
> > :-(
> > 
> > This will be a bit hard to debug. We need to find out what makes the
> > hardware crash. It's probably a command send by the driver when stopping
> > the stream, or the lack of an expected command before restarting the
> > stream.
> > 
> > The easiest way I can think of to try and debug the problem would be to
> > capture a USB trace when using the camera under Windows. Do you feel
> > confident enough to try that ?
> 
> Unfortunately I don't have a windows machine at hand, at work i have
> only mac os x machines.

It's becoming increasingly difficult to find Windows boxes ;-)

> Are them any useful?

If the camcorder works correctly under Mac OS X, yes. I don't know of any USB 
sniffer for Mac though.

-- 
Regards,

Laurent Pinchart
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