Hi
> > To use uvcvideo kernel module you need following modules to be
> > present in kernel before.
> > In my case see
> > lsmod | grep uvc
> > uvcvideo 32132 0
> > v4l1_compat 12164 1 uvcvideo
> > v4l2_common 14208 1 uvcvideo
> > videodev 9216 1 uvcvideo
>
> I manually insert them and they are there.
>
> # modprobe videodev
> # lsmod less videodev
> videodev 20992 0
> v4l1_compat 11524 1 videodev
> v4l2_common 20608 1 videodev
>
> When I then insert the uvcvideo kernel mod I still get the same errors
> however.
>
> # modprobe uvcvideo
> FATAL: Error inserting uvcvideo
> (/lib/modules/2.6.17-1.2174_FC5/usb/media/uvcvideo.ko): Unknown symbol
> in module, or unknown parameter (see dmesg)
>
> Dmesg output:
> uvcvideo: disagrees about version of symbol video_devdata
> uvcvideo: Unknown symbol video_devdata
> uvcvideo: disagrees about version of symbol video_unregister_device
> uvcvideo: Unknown symbol video_unregister_device
> uvcvideo: disagrees about version of symbol video_device_alloc
> uvcvideo: Unknown symbol video_device_alloc
> uvcvideo: disagrees about version of symbol video_register_device
> uvcvideo: Unknown symbol video_register_device
> uvcvideo: disagrees about version of symbol video_device_release
> uvcvideo: Unknown symbol video_device_release
>
> I am not a programmer (just an enthousiast who would like to be able
> to debug and help more) but could this be an incompatibility between
> the Fedora v4l{12} or videodev kernel module and uvcvideo? I did a FC5
> installation about a month ago and as far as i know I only installed
> 'safe' packages. After getting the above errors I just deinstalled the
> ATrpm v4l packages and compiled v4l-dvb from source. I still get the
> same errors however...
>
>
> Also a thanks and cheers to the developers for all their work. My
> brother advised me to get a qc fusion because of the good image and
> video quality. On my laptop the uvcvideo driver is working great with
> uvcview and ekiga. Just hope I can get this one solved for my desktop
> box as well...
It seems you compiled the uvcvideo module against a different kernel source
than the one running on your system. This is a build issue, and probably
distribution specific. I have no idea how to fix that, as I never used Fedora
Core.
Laurent Pinchart
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