Hello,
Apologies, the framesizes warning also happens in USB2 as in
USB3 - my bad apologies for that.
Cheers,
Neil
On Fri, Nov 19, 2010 at 12:26 AM, Laurent Pinchart
<laurent.pinch...@ideasonboard.com> wrote:
> Hi Neil,
>
> On Thursday 18 November 2010 16:00:00 Paulo Assis wrote:
>> Neil Hi,
>>
>> Could you please post the relevant dmesg output.
>> Increasing uvcvideo verbosity would also be a good help.
>>
>>
>> --- snip ---
>>
>> > libv4lconvert: warning more framesizes then I can handle!
>> > libv4lconvert: warning more framesizes then I can handle!
>>
>> --- snip ---
>>
>> No problem with this, libv4l only handles a limit number of
>> resolutions when enumerating video formats (apparently the limit is
>> rather low for the current uvc camera models).
>
> Just out of curiosity, do you get the same warning when the camera is plugged
> into a USB 2.0 port ?
>
>> > libv4l2: error turning on stream: Invalid argument
>> > Unable to start capture: Invalid argument
>>
>> This seems to be the problem, but you need to check dmesg for the
>> cause of the invalid argument error.
>> Most likely this is related to the usb core and not to the driver
>> itself, but it's hard to say without more info.
>
> Could you please increase the driver verbosity (65535 is fine) and post the
> messages printed to the kernel log by the driver when you try to run luvcview
> ?
>
> --
> Regards,
>
> Laurent Pinchart
>
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