[mythtv-users] Mythbuntu running 7.10/ 0.21: Cannop open /dev/video0

Brad DerManouelian myth at dermanouelian.com
Mon Apr 14 03:29:27 UTC 2008

On Apr 13, 2008, at 8:21 PM, Matt Emmott wrote:

> On Sun, Apr 13, 2008 at 11:08 PM, Brad DerManouelian <myth at dermanouelian.com 
> > wrote:
> Please explain a bit better on how you have everything connected.
> Especially the PVR-150 as "an input and tuner source". Are you going
> through your set-top box to your PVR-150? Which input on the PVR-150
> are you using?
> -Brad
> Sure, the coax cable is going directly into the PVR-150 from a  
> splitter, and the card is set to use "Tuner 1" in myth. The cable  
> box is on another cable altogether and outside of this equation. No  
> other inputs are plugged into the MythTV machine, although my STB  
> was hooked directly via Firewire before I deleted the tuner and  
> removed the cable.

Are you getting your guide data from SchedulesDirect? You mentioned  
that you scanned your channels but if you're getting guide data from  
SD then you should be fetching analog channels, not scanning them.  
Getting a black screen is likely a tuning error, but you'd get more  
information from the log that mythbackend generates.

As far as your TVTime error, I'm guessing it actually is a permissions  
error. You probably had mythbackend running (as a service) when you  
tried to use TVTime to capture video. Only 1 application at a time can  
access an ivtv video device.


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