El S?bado, 7 de Mayo de 2005 16:11, Klaus Schmidinger escribi?:
> Darren Salt wrote:
> > The attached patch should fix a hang (livelock) which can occur when
> > moving between editing marks. Blame Timothy Baldwin if it doesn't work -
> > he suggested it ;-)
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > #! /bin/sh /usr/share/dpatch/dpatch-run
> > ## 10_livelock.dpatch by Timothy Baldwin
> > <T.E.Baldwin99@xxxxxxxxxxxxxxxxxxx> ##
> > ## All lines beginning with `## DP:' are a description of the patch.
> > ## DP: Fix a livelock problem when jumping between editing marks.
> >
> > @DPATCH@
> > diff -urNad vdr-1.3.23/dvbplayer.c
> > /tmp/dpep.odvcge/vdr-1.3.23/dvbplayer.c ---
> > vdr-1.3.23/dvbplayer.c 2005-03-25 23:45:25.789555968 +0000
> > +++ /tmp/dpep.odvcge/vdr-1.3.23/dvbplayer.c 2005-03-25 23:53:11.273645683
> > +0000 @@ -376,6 +376,7 @@
> > cPoller Poller;
> > if (DevicePoll(Poller, 100)) {
> >
> > + sched_yield();
> > LOCK_THREAD;
> >
> > // Read the next frame from the file:
>
> Under which conditions do these lockups happen?
>
> Which output device is in use (FF DVB card or some software player)?
>
> I don't really see what difference this sched_yield() would make,
> so I'd like to understand this before simply throwing it in...
>
> Klaus
>
This patch resolve also my problems with cpu load with recents kernels
(2.6.11....).
Jose Alberto
