[mythtv-users] BUG: Live TV/PVR250,
playback issue on apparent buffer fill
Jay R. Ashworth
jra at baylink.com
Sun Sep 26 10:29:41 EDT 2004
On Sun, Sep 26, 2004 at 01:40:18AM -0700, Brad wrote:
> I was watching a long movie on LiveTV and after about 2 1/2 hrs the
> video started to break-up for a few seconds and then started playing
> previously buffered footage from probably 2 hrs earlier. It did this
> for a few seconds (maybe 15 or 20) and then the video started to
> break-up again and eventually went back to the live broadcast. Very
For what it's worth, we (on 0.16 and ivtv ck109f, dual 250's) have seen
something similar to this on a recorded episode of Dr. Vegas.
> I then rewound the liveTV to just before the first break-up occurred
> and let it play again. This time it played back normally. No glitches
> and playing back the video that had been skipped from the previous
In our case, it seemed repeatable -- it weas at the same place in the
file, with precisely the same MPEG artifacting and stutter pattern.
Restarting the front end seemed to fix it *once8, but a second pass
through returned to the same exact pattern (it's uncommon to see MPEG
artifacts be intermittent, but exactly reproduced; this is why I'm
> My assumption (which of course may have no basis in reality) is that
> my /video volume, where the /buffer directory is located, had filled
> to capacity, triggering this sequence of events.
In our case, neither our video volumne nor our log volume was over 80%
> If anyone else has noticed this happening, perhaps they could add
> their experiences. It may be good for some others to try to reproduce
> this problem on other systems too.
Indeed. But, as has been noted before, be carful about what you apply
the label 'bug' to. :-) Developers have feelings, too.
Jay R. Ashworth jra at baylink.com
Designer Baylink RFC 2100
Ashworth & Associates The Things I Think '87 e24
St Petersburg FL USA http://baylink.pitas.com +1 727 647 1274
"You know: I'm a fan of photosynthesis as much as the next guy,
but if God merely wanted us to smell the flowers, he wouldn't
have invented a 3GHz microprocessor and a 3D graphics board."
-- Luke Girardi
More information about the mythtv-users