[mythtv-users] Prebuffering Pause?

David Frascone dave at frascone.com
Tue Jul 10 13:29:21 UTC 2007


On 7/10/07, Ben Lancaster <lists at benlancaster.co.uk> wrote:
>
> David Frascone wrote:
> >
> > I've done some more digging, and found these messages strewn
> > throughout my mythfrontend logfile whenever the video pauses.  I added
> > -v playback, and I have this output -- anyone know why this is
> > glitchy?  This is NOT HD -- it's plain old SD.  (Although it does
> > happen in HD -- at approximately the same frequency)
> >
> >
> > 2007-07-09 16:07:48.950 Avg read interval was 198 msec. 96K block size
> > 2007-07-09 16:07:48.990 Avg read interval was 198 msec. 128K block size
> > 'video_output' mean = '33365.12 ', std. dev. = '364.60', fps = '29.97'
> > 2007-07-09 16:07:49.238 Avg read interval was 193 msec. 64K block size
> > 2007-07-09 16:07:49.255 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07: 49.279 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07:49.298 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07:49.366 Avg read interval was 181 msec. 64K block size
> > 2007-07-09 16:07: 49.398 Avg read interval was 198 msec. 64K block size
> > 2007-07-09 16:07:49.922 Avg read interval was 195 msec. 64K block size
> > 2007-07-09 16:07:50.138 Avg read interval was 193 msec. 64K block size
> > 2007-07-09 16:07: 50.395 Avg read interval was 194 msec. 64K block size
> > 2007-07-09 16:07:50.662 Avg read interval was 195 msec. 64K block size
> > 2007-07-09 16:07:50.678 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07: 50.851 NVP: prebuffering pause
> > 2007-07-09 16:07:50.852 NVP: Waiting for prebuffer.. 0
> > AAAAAAAAAAAAAAAAAAAAAAAAu
> > AALAAA
> > 2007-07-09 16:07:50.926 Avg read interval was 194 msec. 64K block size
> > 2007-07-09 16:07:50.947 Avg read interval was 198 msec. 64K block size
> > 2007-07-09 16:07:50.967 Avg read interval was 198 msec. 64K block size
> > 2007-07-09 16:07:50.987 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07:50.994 NVP: Waiting for prebuffer.. 1
> > AAuLAAAAAAAAAAAAAAAUUAUUU
> > UUUAAU
> > 2007-07-09 16:07:51.006 Avg read interval was 197 msec. 64K block size
> > 2007-07-09 16:07:51.026 Avg read interval was 196 msec. 64K block size
> > 2007-07-09 16:07: 51.246 Avg read interval was 190 msec. 64K block size
> > 2007-07-09 16:07:51.399 Avg read interval was 189 msec. 64K block size
> > 2007-07-09 16:07:51.418 Avg read interval was 196 msec. 64K block size
> > 2007-07-09 16:07: 51.443 Avg read interval was 197 msec. 64K block size
> >
> > The others don't show any more detail.  This happened when upgrading
> > from 13534 to 13836.
> >
> > I have the same version (13836) running on another frontend w/o issues.
> >
> > Thanks in advance,
> >
> >
> > -Dave
> >
> > --
> > David Frascone
> >
> > Oxymoron: Safe Sex.
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> No idea how/why this helps, but I had exactly this problem on my FC4,
> FC5 and FC6 systems until I added 'noapic' to my kernel args:
>
> default=0
> timeout=1
> splashimage=(hd0,0)/grub/splash.xpm.gz
> hiddenmenu
> title Fedora Core (2.6.20-1.2952.fc6)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.20-1.2952.fc6 ro root=/dev/sda2 noapic rhgb
> quiet
>         initrd /initrd-2.6.20-1.2952.fc6.img
>
> Give it a whirl, hope it works for you too.
>
> Ben
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> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>


That did it!  I'll update the bug with the new info!

Thanks a million!

-Dave

-- 
David Frascone

Oxymoron: Safe Sex.
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