Thanks for the information. Perhaps I am looking in the wrong place. I can't actually find a file name modprobe.conf. The file I had been using was /etc/modprobe.d/ivtv

There was also /etc/modules.conf and /etc/modutils/aliases which contain the lines:
alias char-major-10-175 agpgart
alias char-major-10-200 tun
alias char-major-81 bttv
alias char-major-108 ppp_generic


I tried changing the third line in both to "alias char-major-81 videodev" without effect. To test, I am using "perl /usr/local/bin/ptune-ui.pl &" for a tuner and "cat /dev/video | mplayer –" to play the video. I also test within MythTV, although the effect is the same. I don't know if it's important, but changing the input to Composite or SVideo results in a black video. (I have nothing connected to those inputs.)

Is there a particular file that I should be using that I'm not? Should any of the ivtv modules be listed in /etc/modules, or aren't they called automatically?


Paul Bryson

Bryan Mayland wrote:

Those are some great scans! That is definitely a tuner type 50, I've got the exact same card down the the revision. Try removing your install line for ivtv. You don't have an msp3400, or an saa7115 (those chips are present on 250/350 cards generally). My modprobe.conf looks like this (I don't use lirc though)
alias char-major-81 videodev

Try it with just that and see what you get.

Paul Bryson wrote:

Using KnoppMyth R5A16 and ivtv 0.3.6o. KnoppMyth seems to use the 0.2.x branch by default. I tried installing 0.3.6n initially. The tuner was being recognized as <unknown> and set to 0. I used "options ivtv ivtv_std=1 tuner=47 tda9887=0 ivtv_debug=0" and was able to get a picture. Someone suggested that there could be mixed modules from v4l2, so I removed the duplicate modules from that directory. After that, the card could be auto-detected at tuner 50, but it just returned static. Setting to tuner 47 also returns static. Is there any way to determine what tuner/settings should be used?

I made a nice scan of my card here:
http://commo.de/pvr-150_mce/

Settings I've tried with and without:
alias char-major-81 videodev
alias char-major-61 lirc_i2c
#options ivtv ivtv_std=1 tuner=47 tda9887=0 ivtv_debug=0
#options ivtv debug=1
#options tuner type=2
options msp3400 once=1 simple=1
install ivtv /sbin/modprobe tuner; /sbin/modprobe msp3400; /sbin/modprobe saa7115; /sbin/modprobe --ignore-install ivtv remove ivtv /sbin/modprobe -r --ignore-remove ivtv && /sbin/modprobe -r saa7115 && /sbin/modprobe -r msp3400 && /sbin/modprobe -r tuner




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