videodevX/bttv2 modprobe fails (kernel 2.4.13)

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Good day everybody. I am stuck. Compiled latest videodevX and
latest bttv2. Did "make install" on both, they put modules where they
belong, in "/lib/modules/2.4.13/kernel/drivers/media/video". When I say
"modprobe bttv" it works just fine. But "modprobe bttv2" fails, saying:

Warning: loading /lib/modules/2.4.13/kernel/drivers/media/video/videodevX.o
will taint the kernel: no license
Unable to get major 81 for v4l1/2
/lib/modules/2.4.13/kernel/drivers/media/video/videodevX.o: init_module:
Input/output error
Hint: insmod errors can be caused by incorrect module parameters, including
invalid IO or IRQ parameters
/lib/modules/2.4.13/kernel/drivers/media/video/videodevX.o: insmod
/lib/modules/2.4.13/kernel/drivers/media/video/videodevX.o failed
/lib/modules/2.4.13/kernel/drivers/media/video/videodevX.o: insmod bttv2
failed

That "Unable to get major 81 for v4l1/2" may be the key to my problem?

/var/log/messages reports:

Oct 30 14:58:54 ws15-132 kernel: Video for Linux One (2.2.16). Major device:
81
Oct 30 14:58:54 ws15-132 kernel: Unable to get major 81 for v4l1/2

That "Video for Linux One (2.2.16)" looks suspicious to me, as I am trying
to load bttv2. What should I put into /etc/modules.conf? I have Hauppauge
Impact capture board (it's a Bt878A).

In the kernel I have Video4Linux compiled as a module, and no specific
driver
(as the videodevX README told me to do?). Bttv driver is compiled as a
module.
Also, generic sound support and Bt878 mixer stuff are modules (is this O
K?).
(I put that sound stuff because it complained about btaudio.o and something
else).

During "make install" videodevX complains about videodev2.o missing.
What am I doing wrong?

	jonk





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