[mythtv-users] Questions about udev and /dev/video* ...

Kevin Kuphal kkuphal at gmail.com
Mon Jan 21 05:26:56 UTC 2008

On Jan 20, 2008 12:45 PM, stuart <stuart at xnet.com> wrote:

> Hi...
> 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.

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