[mythtv-users] PVR350 TvOut test pattern works but...

[Jarod C. Wilson]

On Feb 10, 2004, at 21:54, <alanb at starband.net> wrote:

> I've been running into this for the last week. I followed the 
> instruction
> on the TvOutHowto and just tonight followed the latest version of 
> Jarod's
> PVR 350 but I keep getting to the same impasse.
>
> It all works as expected. I get a test pattern with the insmod saa7127
> enable_output=1 output_select=0 test_image=1. I then do the rmmod 
> followed
> by the insmod without the test_image=1 parameter. I set the test_ioctl 
> -u
> 0x3000 -p 4 (I have a tuner). I get a great capture that I can play 
> with
> mplayer. Sound and picture are both great via my monitor.
>
> I do the ivtvfbctl stuff followed by the dd if=/dev/video0 
> of=/dev/video16
> bs=64k. The screen is just blank at this point. When I ctrl-C out I get
> output like:
> 541+500 records in
> 541+500 records out
>
> The numbers vary depending on how long I wait to ctrl-C.
>
> Where would I look to troubleshoot this? I've gone through this process
> many times now with the same results. I've double checked the 
> modules.conf
> file. I've looked at output generated from some of the commands. I've
> tried different /dev/videoX (where X = 1, 2, 3, 4, 8, 16, 32) for the 
> of=
> parameter. Everything looks okay but no TV out.
>
> My testing TV is not HDTV. It is just an ordinary Samsung 24" color.

I'd start with /var/log/messages and /var/log/dmesg. See if anything in 
there might indicate what might be going wrong. Nothing really comes to 
mind here, since it "just worked" for me... :-\

-- 
Jarod C. Wilson, RHCE

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