Re: [gentoo-user] Re: OT - Need MythTV setup help (resend)

[Michael Sullivan <michael@espersunited.com>]

On Sun, 2006-01-08 at 10:18 -0800, Mark Knecht wrote:
> On 1/8/06, Michael Sullivan <michael@espersunited.com> wrote:
> > On Sun, 2006-01-08 at 09:32 -0800, Mark Knecht wrote:
> > > Michael Sullivan <michael@espersunited.com> wrote:
> > >
> > >
> > > > I tried the test "cat /dev/video0 > test.mpg" and opening it in mplayer
> > > > and all I got was the blank screen.
> > >
> > > I've been through this numerous times. It's no fun. Sorry.
> > >
> > > First, and most important, what does dmesg about ivtv show when you boot?
> > >
> >
> > michael@camille ~ $ dmesg | grep 'ivtv'
> > ivtv:  ==================== START INIT IVTV ====================
> <SNIP>
> > ivtv:  ====================  END INIT IVTV  ====================
> > michael@camille ~ $
> 
> That looked OK to me.
> 
> >
> >
> > > Second, when you record 10 seconds of data to test.mpg what is the
> > > file size? Zero/small means ivtv simply isn't working. Large means it
> > > is but the tuner or something else is not working correctly.
> > >
> > camille ~ # cat /dev/video0 > temp.mpg
> >
> > camille ~ # ls -lh temp.mpg
> > -rw-r--r--  1 root root 13M Jan  8 11:46 temp.mpg
> 
> So you are getting 'data', even if it was black. I see in a second
> email you got a picture now. That's good.
> >
> > > Note that there are a number of us that are unable to reboot PVR
> > > cards. We must cold boot them to have them operate correctly. Info
> > > will show up in dmesg if you are one of this unfortunate select group.
> > > lspci -x after a warm and cold boot would show a difference.
> > >
> <SNIP>
> >
> > 05:00.0 Multimedia video controller: Internext Compression Inc iTVC16
> > (CX23416) MPEG-2 Encoder (rev 01)
> > 00: 44 44 16 00 16 01 10 02 01 00 00 04 10 40 00 00
> > 10: 08 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 00
> > 20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 01 48
> > 30: 00 00 00 00 44 00 00 00 00 00 00 00 03 01 80 08
> <SNIP>
> >
> > And here is lspci -x from a "warm" boot:
> <SNIP>
> >
> > 05:00.0 Multimedia video controller: Internext Compression Inc iTVC16
> > (CX23416) MPEG-2 Encoder (rev 01)
> > 00: 44 44 16 00 16 01 10 02 01 00 00 04 10 40 00 00
> > 10: 08 00 00 d0 00 00 00 00 00 00 00 00 00 00 00 00
> > 20: 00 00 00 00 00 00 00 00 00 00 00 00 70 00 01 48
> > 30: 00 00 00 00 44 00 00 00 00 00 00 00 03 01 80 08
> <SNIP>
> 
> You are lucky. You do not have the problem I have.
> 
> OK, since your other email said you got a picture but Myth isn't
> seeing it please try removing the current card setup in mythsetup and
> recreating it. I've had a couple of times where an ivtv update caused
> the existing card settings to not work. I delete them, recreate it
> from scratch, and I'm back to the races.
> 
> On other possibility is how you are linking the PVR to Myth. Did yuo
> set the video device to /dev/v4l/video0 (not /dev/video0) and the
> default input to Tuner 0? In the input connections section did you set
> Tuner 0 to your cable listing from Zap2It?
> 
> Hope this helps,
> Mark
> 

It seems to be working now.  Sort of. mythfrontend isn't lasting longer
than a second and a half.  mythbackend is still dying seemingly
randomly.  It's not leaving logs in /var/log/mythtv.  How can I find out
why it's dying so as to find a way to stop it from dying?

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