[mythtv-users] HD-PVR driver /dev/videoX issue

[john]

On Feb 17, 2009, at 10:10 PM, Bob Sully wrote:

> Hi all -
>
> I recently updated my Ubuntu Hardy Myth box to the latest available
> kernel, as I'd like to get the newest available nVidia driver  
> updates via
> the ubuntu-restricted-modules package.  Yeah, they're still way  
> behind the
> curve (still using 169.12), but I figure that I'll eventually get the
> binaries with the VDPAU updates for both the nvidia drivers and  
> mplayer,
> etc.
>
> Anyway, afterward, I compiled the latest HDPVR driver from:
> http://hg.jannau.net/hdpvr - just so I can record HD from the STB
> (manually, from the CL at this point, since I'm not running trunk).   
> It
> worked fine with the previous kernel.
>
> The compile went fine, but I'm having issues getting it to create
> /dev/video1 (/dev/video0 is being used for something else).   
> Previously, I
> had put the following in /etc/rc.local, and it had worked OK:
>
> # HD-PVR Options
> modprobe hdpvr video_nr=1
> v4l2-ctl --device=/dev/video1 --set-ctrl=video_bitrate=9000000
> v4l2-ctl --device=/dev/video1 --set-ctrl=video_peak_bitrate=11000000
>
>
> This no longer works:
>
> [mythtv at vader: ~]$ lsl /dev/video*
> crw-rw----+ 1 root video 81, 0 2009-02-17 20:44 /dev/video0
>
>
> The module is being loaded:
>
> [mythtv at vader: ~]$ lsmod | grep hdpvr
> hdpvr                  30344  0
> v4l2_common            20992  3 hdpvr,tuner,cx8800
> videodev               48896  5 hdpvr,tuner,cx8800,cx88xx,v4l2_common
> i2c_core               28544  12
> hdpvr 
> ,lgdt330x 
> ,cx88_vp3054_i2c 
> ,tuner_simple 
> ,tda9887,tda8290,tuner,cx88xx,i2c_algo_bit,v4l2_common,tveeprom,nvidia
> usbcore               170288  7  
> hdpvr,lirc_imon,usbhid,ehci_hcd,uhci_hcd
>
> Can someone clue me in on a fix?

If you unplug the HD-PVR, and plug it back in, what shows up in /var/ 
log/messages (or dmesg) ?  Whatever is there should give you a clue as  
to what is happening.

John