[linux-dvb] Hauppauge HVR-1800 Analog issues

Josh Borke joshborke at gmail.com
Mon Dec 8 15:03:21 CET 2008

On Sun, Dec 7, 2008 at 11:00 PM, Jeff DeFouw <jeffd at i2k.com> wrote:

> On Sun, Dec 07, 2008 at 09:28:17PM -0500, Josh Borke wrote:
> > I recently upgraded to Fedora 10 and decided to try to get my Hauppauge
> > HVR-1800 working. I thought everything was working fine and well because
> I
> > could run 'tvtime -d /dev/video0' and 'cat /dev/video1 > /tmp/test.mpg'
> and
> > things worked but then I rebooted and it all went to pot. Now when I run
> > 'cat /dev/video1 > /tmp/test.mpg' the output of tvtime becomes wavy and
> > distorted. I tried loading both cx25840 and cx23885 with debug=1 but that
> > didn't help.  I also tried with the latest v4l-dvb sources
> > (v4l-dvb-7100e78482d7) with the same result.
> >
> > I've attached the dmesg in hopes of being some help.
> >
> > To recap, I can 'tvtime -d /dev/video0' and I get a great picture. As
> soon
> > as I 'cat /dev/video1 > /tmp/test.mpg' the picture goes wavy.
> I found the same thing while testing the analog tuner support (which I
> don't normally use).  It only happened the first time after boot.
> Unloading all of the modules (run "make rmmod" in the v4l-dvb sources)
> and reloading them always fixed it for me.  Also, make sure the tuner
> module is loaded after that.  Mine doesn't auto-load for some reason.
> --
> Jeff DeFouw <jeffd at i2k.com>
Ok, so that does work as long as I 'cat /dev/video1' before I reload the
module. Is there any way I can automate this so I don't have to do it
manually every reboot? Or any other fix for it?


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