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Re: Problem runnning webcam on a sheevaplug with using pwc




Hi Raul,

I have tried rebooting with the camera plugged, it does not make a
difference.

Option 2 I have not tried yet, will probably be able to do so later today.

Yves


On 27 March 2010 17:02, Raul Fajardo <rfajardo@xxxxxxxxx> wrote:

> Hi Yves,
>
> this is a bug related to the hotplug system or something.
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/443278
>
> The driver works in two cases:
> 1) the camera was connected on power up.
> 2) you remove the module rmmod pwc, connect the camera and let the hotplug
> system load the module
>
> I suppose that's your problem.
>
> Best regards,
> Raul
>
> On Sat, Mar 27, 2010 at 2:20 PM, Yves Glodt <yg@xxxxxxx> wrote:
>
>>  Hi,
>>
>> I have a problem when I run webcam on my sheevaplug, it seems to hang.
>>
>> I use the 2.6.33-1 kernel from
>> http://sheeva.with-linux.com/sheeva/index.php?dir=2.6.33.1/
>> The pwc module was missing so I cross-compiled it on my laptop and
>> installed
>> it.
>> The modules loads and detects the camera without a problem. /dev/video0 is
>> there as well.
>>
>>
>> This is all what happens:
>>
>> root@sheevaplug:~# webcam
>> reading config file: /root/.webcamrc
>> video4linux webcam v1.5 - (c) 1998-2002 Gerd Knorr
>> grabber config:
>>  size 640x480 [none]
>>  input usb, norm (null), jpeg quality 100
>>  rotate=0, top=0, left=0, bottom=480, right=640
>>
>> and then it hangs forever.
>>
>> When I use the same webcam with the same .webcamrc on my laptop, it works.
>> I attach an strace of the webcam run.
>>
>> Somebody knows what goes wrong here? Or what other debug possibilities I
>> have? :-)
>>
>> best regards,
>> Yves
>>
>>
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