[mythtv-users] Questions about udev and /dev/video* ...
stuart at xnet.com
Mon Jan 21 16:45:54 UTC 2008
Kevin Kuphal wrote:
> On Jan 20, 2008 12:45 PM, stuart <stuart at xnet.com
> <mailto:stuart at xnet.com>> wrote:
> Know this is a mythtv and not a udev list, but was wondering if any had
> and already solved this problem on their mythtv box?...
> I have a PVR250 NTSC and KWorld 110 ATSC tuner in my mythtv box. The
> PVR250 had a tendency to boot up with different /dev/video* names. So,
> I used a udev rule to create a permanent device name and link it to the
> /dev/video* device. The problem is that the created permanent device
> name links to the wrong device. For instance, I will find /dev/pvr250
> linked to /dev/video24 after boot up. This doesn't work. But if I
> manually remove /dev/pvr250 and re-link it to /dev/video0, all is well.
> So, does anyone know why this is happening?
> The ivtv driver should have a ivtv_first_minor option you can add to
> your modprobe.conf and set it to 1. This will cause the PVR to always
> be on /dev/video1 leaving /dev/video0 open for the ATSC card no matter
> what order the drivers load in.
Thanks Kevin for your help. I'll give it a try.
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