[mythtv-users] Begging for help with live TV freeze

[Curtis Wood]

   Ive been playing around with MythTV, finally have it reliably running
on my cable system. At first I was having a few of these lock ups my
self, I resolved the lock ups by finetuning the channels. Essentially it
looks as though MythTV does not like weak signals. To get around this, I
tuned the channel untill the color was way to much (assuming a very good
signal), and then used the controls to lower everything to a comfortable
level - after this I just got the staggering playback from CPU
overload... I have the ATV-TV Wonder (VE) and the Pinnacle TVCard - both
had the same issue, Im currently piping everything through the composite
which makes things a lot better (no tuning needed) - MythTV has been
running for two three days straight now (continuously) with no problems
:-)

Curtis

On Tue, 2003-12-09 at 06:08, Alan Snyder wrote:
> --- "Patrick E. McKnight" <pem at theriver.com> wrote:
> > Alan Snyder wrote:
> > > A number of people, myself included, have reported
> > > frontend freezes in live TV, the symptom being
> > frozen
> > > picture and sound, the frontend spitting out
> > "Waited 2
> > > seconds for data to become available, waiting
> > > again...", and the backend seemingly working
> > normally.
> > >  
> > > 
> <snip> 
> > Let me see if I can help you here.  I too had the
> > screen freezes but I 
> > did the following and now it no longer freezes. 
> > First, I originally 
> > compiled bttv into the kernel - big mistake.  I'm
> > using 2.6.0-test11 on 
> > gentoo and by recompiling the bttv, btaudio, etc as
> > modules, I was able 
> > to control the driver configs in the modules.conf
> > (or whatever file you 
> > use to control these things).
> > 
> > BTW, I followed the directions from:
> > 
> > http://www.linuxlogin.com/linux/ati_tv.php
> > 
> > and in particular I used the following (since I was
> > using the ATI card 
> > myself):
> > 
> > alias char-major-81 bttv
> > options bttv card=1 autoload=0 radio=0
> > post-install bttv insmod tuner type=2
> > 
> > I now have some other niggling problems but I am
> > getting close to having 
> > a full-working and stable MythTV setup.  So my
> > scientific (!) wild ass 
> > guess is the kernel drivers.  Have you tried to load
> > them at boot rather 
> > than compiling them in?
> > 
> Hmmm... bttv was installed by my Mandrake 9.1 install
> and it's always just worked.  lsmod lists
> 
> bttv                   78496   0  [lirc_gpio]
> videodev                7872   3  [bttv]
> i2c-algo-bit            9064   1  [bttv]
> i2c-core               21192   0  [tuner bttv
> i2c-algo-bit]
> soundcore               6276   0  [snd bttv]
> 
> My modules.conf is
>  
> alias char-major-61 lirc_gpio
> probeall usb-interface usb-uhci
> above snd-via82xx snd-pcm-oss
> alias eth0 3c59x
> alias sound-slot-0 snd-via82xx
> options bttv card=78 tuner=2 radio=1 gbuffers=4
> alias /dev/nvidia*   nvidia
> 
> modules.devfs, which is auto-generated when devfs
> starts, has a comment that reads
> 
> #   Sample configurations that you may want to place
> in /etc/modules.conf
> #
> #alias          sound-slot-0            sb
> #alias          /dev/v4l                bttv
> #alias          /dev/misc/watchdog      pcwd
> #alias          gen-md                  raid0
> #alias          /dev/joysticks          joystick
> #probeall       scsi_hostadapter        sym53c8xx
> 
> I'm not sure what to make of that.
> 
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