Tried my webcam in karmic - still no success!
The modules ("gspca-sunplus", "gspca-main" and "videodev") are loaded, but 
still no /dev/video* device to make "cheese" and other apps working with my 
webcam. In /var/log/messages nothing happens when I plug in the camera, so I 
added the messages of "sudo udevadmin monitor":

KERNEL[1249427867.736830] add      /devices/pci0000:00/0000:00:12.1/usb4/4-1 
(usb)
KERNEL[1249427867.737706] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0 (usb)
UDEV  [1249427867.748572] add      /devices/pci0000:00/0000:00:12.1/usb4/4-1 
(usb)
UDEV  [1249427867.756381] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0 (usb)
KERNEL[1249427871.821381] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0/video4linux/video0 
(video4linux)
KERNEL[1249427871.821447] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.1 (usb)
UDEV  [1249427871.841807] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0/video4linux/video0 
(video4linux)
UDEV  [1249427871.845068] add      
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.1 (usb)
KERNEL[1249427872.065030] remove   
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0/video4linux/video0 
(video4linux)
UDEV  [1249427872.074279] remove   
/devices/pci0000:00/0000:00:12.1/usb4/4-1/4-1:1.0/video4linux/video0 
(video4linux)

The mass-storage-part of that device is - by the way - no more
recognized. I can't mount it. The good news about it is that I no longer
get an error message from nautilus on every start up... :) I got this
behaviour since intrepid. So, no change for me in jaunty and karmic.

Conclusion: Ubuntu recognizes the device correctly, all modules are
loaded - but there is no /dev/video. Is it possible to try a mknod by
hand? If yes, what are the correct options (major and minor numbers) to
do it? Maybe, it's the missing thing to do to get a working webcam...
O.k. - maybe not, but it's worth a try! :)

Greetings!
Mitsch

-- 
GSPCA webcam no longer working: no /dev/video0
https://bugs.launchpad.net/bugs/255678
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