Same error with Vimicro 0ac8:305b webcam. I used Ubuntu packages and http://mxhaard.free.fr/download.html tar.gz
Nov 8 16:08:09 localhost kernel: [11418.789782] gspca: disagrees about version of symbol video_device_release Nov 8 16:08:09 localhost kernel: [11418.789790] gspca: Unknown symbol video_device_release
Same error with Vimicro 0ac8:305b webcam. I used Ubuntu packages and http:// mxhaard. free.fr/ download. html tar.gz
Nov 8 16:08:09 localhost kernel: [11418.789782] gspca: disagrees about version of symbol video_device_ release release
Nov 8 16:08:09 localhost kernel: [11418.789790] gspca: Unknown symbol video_device_