On Monday 15 October 2007 21:06, Bruno Wolff III wrote: > On Mon, Oct 15, 2007 at 19:35:17 +0200, > > Nigel Henry <cave.dnb@xxxxxxxxxx> wrote: > > Just one last unreproducible problem. This time involving udev, and the > > ordering of video devices. My TV PCI card uses /dev/video0, and the USB > > webcam /dev/video1. At least that is the order in which I installed them > > (TV card first, and some time later the webcam) , and on non udev kernels > > they are ordered that way each time I bootup. The only proviso I put on > > this, is that the original kernel installed when I installed Fedora 7, is > > also a udev one, and unless it's just coincidence the video devices are > > always ordered correctly. The later udev using kernels are always hit and > > miss, and that's both on Fedora, and Debian installs. Sometimes the TV > > card is /dev/video0, sometimes it's /dev/video1, and the same for the > > webcam. It's a bit like throwing a slice of buttered bread up into to > > air, and seeing how it lands. Buttered side up? It's anybodies guess, and > > totally unreproducible. Murphy's law says it will always end up with the > > buttered side on the carpet. > > You can make rules to create files based on the device IDs that may help > solve the problem you are having. You can probably use the device IDs or > the rule names to control which device gets which /dev/video? name if you > really need to use those specific names. I don't know enough about udev to > suggest specific solutions, just to suggest that there probably is a > solution. Yes. I'm working on resolving that problem, but was mainly commenting on the problem of getting reproducible errors as per Karls suspected SELinux problem. Thanks for the reply. Nigel.
