Re: uvcvideo module compatibility

Haines Brown <brownh@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
I went to linuxtv.org/hg/~pinchartl/uvcvideo and downloaded
uvcvideo-bff77ec33116.tar.gz, put it in /usr/src, unarchved it, ran #
make all and # make install. There did not seem to be any errors.

However, when I try to register the module (# modprobe uvcvideo) I'm
warned that all config files require .conf: /etc/modprobe.d/kgemu and
i2c. It will be ignored in a future release. I'm not sure what this
means.

You can ignore the "config files require .conf" for now (it's not relevant
to the problem at hand).


However, there was a fatal error: "Error inserting uvcvideo [...]

Is it possible that you have not removed the old modules from
/lib/modules? Try this as root:

for F in `find /lib/modules/`uname -r` -name 'uvcvideo*'`
do mv "$F" "$F".`date +'%Y-%m-%d'`; done

Now re-run your make install:

cd /where/ever/
make install

Now update the modules list and try to reload the uvcvideo module:

depmod -a
modprobe uvcvideo


If there's no easy resolution of the problem, would someone recommend a
webcam and driver that has comparable quality to the QuickCam Pro and
will definitely work with the stock 2.6.23.12-slh-smp-2?

I don't think you have told us the actual version of the QuickCam Pro
you're trying to use? Also, is there any chance you can upgrade to (at
least) 2.6.28? I found a significant improvement in the V4L layers here.


I also found that I needed a newer version of the V4L1 compatibility
layer (the kernel provides V4L2 for user-space decoding, but applications
mostly still talk V4L1). You might want to search for a newer v4l1compat
library, and then set this before trying any of your video applications
(change the path appropriately)

export LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so

This lets Skype work happily with my i.t.works webcam (093a:2621 "Pixart
Imaging, Inc.").

Chris
.

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