Re: [GnomeMeeting-list] error while opening video device /dev/video0, channel 0

[Damien Sandras <dsandras seconix com>]

Le jeu 08/05/2003 à 18:31, Tracy L. Smith a écrit :

> 
> I tried to run it as root and as another user (thinking maybe some lock 
> file had shown up)
> when this first happened, and again later after reboot and the same 
> error message shows up.  I was not
> aware that Gnomemeeting worked with other applications, so I haven't 
> tried that route. 

I just wanted to ask you to test opening the webcam by another
application than GnomeMeeting.

> As for the module, that may be the problem I have to deal with.  It 
> baffles me why
> Gnomemeeting would just stop working, without a reboot or any other OS 
> changes.  I
> reinstalled everything from Gnomemeeting to the camera driver, in the 
> same way that
> I originally installed them, but to no avail, same error. 
> 


Try with xawtv, for example, if it doesn't work either then the problem
is with the module.

> I was curious whether such an error message could be caused by a driver 
> problem.  Some
> have suggested that it didn't sound like an error that would show up 
> because of the driver,
> and that it had to do with my OS.  I can't see how the OS could be 
> involved, since all permissions
> are fine and it did work for a short while.  I may have some module 
> cleanup to do.  I just thought

I think it is something related with the device, make sure ls -l
/dev/video* has the right permissions, the right major and minor
numbers. Also check the content of /proc/video/ to see if video0 appears
there. If the module is correctly loaded, then it should appear there.

Also check that the USB module and the videodev modules are loaded or
compiled into the kernel...

> I would throw it out into the forum to see if anyone else had heard of 
> such a thing. 
> 
> Thanks for your attention.
> Sincerely,
> Tracy
> 
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-- 
Damien Sandras <dsandras seconix com>