On Sun, 14 Jun 2009, Roger wrote: > On Sun, 2009-06-14 at 21:22 -0500, Mike Isely wrote: > > On Sun, 14 Jun 2009, Roger wrote: > > > Never knew about this site either. Isn't much use except noting the fact, > > > "using mythtv-setup as user instead of root" will spawn errors when > > > accessing > > > /dev/video0 for the HVR-1950. > > > > That note is not entirely correct, at least probably in how you quoted > > it. The UID one uses to access /dev/video0 depends on how the device > > node has been set up by udev in your distro. It has nothing to do with > > the driver, and it ESPECIALLY has nothing to do with the hardware > > sitting on the other side of the driver. > > > > Generally unless a distro does something special here, e.g. configure > > udev to assign group "video" to all V4L & DVB device nodes, then root is > > the only thing that can really do anything here. But a better approach > > is to assign a specific group to the node, e.g. 'video'. Then any user > > associated with that group can have greater access (usually full > > access). It's just a question of uid, gid associated with the node and > > whatever mode bits have been set - none of which has anything at all to > > do with the underlying driver or its hardware. > > This is exactly what I thought too. However, > > $ ls -alh /dev/video? > crw-rw---- 1 root video 81, 0 Jun 13 15:05 /dev/video0 > crw-rw---- 1 root video 81, 2 Jun 13 15:05 /dev/video1 > > $ cat /etc/group |grep video > video:x:27:root,roger,mythtv
User root does not need to be listed. The device node is already r/w for root and that's enough. As I said, none of the above is specific to HVR-1950. > > > Executing mythtv-setup as root has no effect here -- after stopping the > backend (with the conflicting EIT scan). > > I still get the multiple "Card 3 (type Could not open '/dev/video1' to ) > is set to start on channel Please add, which does not exist." errors on > mythtv-setup exit. > > Guess this guy's theory isn't correct. :-/ > You're really talking about mythtv stuff here, not pvrusb2 driver-specific stuff. Whatever. -Mike -- Mike Isely isely @ isely (dot) net PGP: 03 54 43 4D 75 E5 CC 92 71 16 01 E2 B5 F5 C1 E8 _______________________________________________ pvrusb2 mailing list [email protected] http://www.isely.net/cgi-bin/mailman/listinfo/pvrusb2
