At 4:55 PM +0000 1/18/07, Anne Wilson wrote: >Content-Type: multipart/signed; boundary="nextPart1476197.9unnSy2MJW"; > protocol="application/pgp-signature"; micalg=pgp-sha1 >Content-Transfer-Encoding: 7bit > >I use a video capture card for my analogue camcorder, and a webcam. Udev's >habit of randomly setting video0 and video1 are a problem, so after a good >bit of reading I set out to create persistent symlinks. The idea is that the >device is recognised and the link is made to whichever video* is appropriate. >The links are created, but there are problems. > >First, /dev/DC10plus does not get removed at shutdown. I'm not sure >about /dev/webcam, I haven't seen any error messages (though I haven't >thoroughly examined the logs). Looking at the permissions on the links,they >are owned root:root. > >lrwxrwxrwx 1 root root 14 Jan 18 16:39 /dev/DC10plus -> mapper/control >lrwxrwxrwx 1 root root 6 Jan 18 16:39 /dev/webcam -> video0 > >If I chown to anne:root they are properly deleted on shutdown. > >Attempting to use /dev/DC10plus gives me these errors: > >**ERROR: [lavrec] Error opening video-device (/dev/DC10plus): Permission >denied >**ERROR: [lavrec] Something went wrong while setting up the card > >After chown: > >**ERROR: [lavrec] Error setting channel: Permission denied >**ERROR: [lavrec] Something went wrong while setting up the card > >It all seems to revolve around permissions. Also, it looks as though anne may >need to own the link in order to use it. If so, I have to find some way of >that being automatically set. > >Any thoughts? Well, I know nothing, but it might be enough for anne to be in a group that can write the link. Possibly a new group is needed, or maybe there is already a group associated with that device. -- ____________________________________________________________________ TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx> ' <http://www.georgeanelson.com/>
