[mythtv-users] Hard lockups using xvmc

[Michael Haan]

So, this is interesting.  I was having a good experience with myth the
last few weeks - not really experiencing any lock-ups.  I was not
using xvmc as with it enabled I got an error when trying to view live
tv.  Then, I installed a new sound card yesterday to try and use the
digital spdif for the sound (Turtle Beach Riviera).  Got that to work
very easily, however I'm now having a rash of hard lock-ups when
trying to pause, rewind or fast forward live or recorded television. 
I'm still not using xvmc (though I'd like to), I am using libmpeg2,
and I do run mythfrontend suid.  Could my problems with lock-ups
somehow be related to yours?


On Mon, 21 Mar 2005 07:41:28 -0800 (PST), Howard Cokl
<hojoloco at yahoo.com> wrote:
> I don't know if I have it fixed yet but I recompiled
> myth and enabled debug, started it up and got a hard
> lockup and no data in gdb.  Tried chmod -s
> /usr/local/bin/mythfrontend and got a hard lockup
> which from what I've read myth can't do if it's not
> suid root.  Played around some more, I musta complied
> myth 20 times in the last 2 days, with and w/o alsa,
> etc, no luck.  Went through Setup in Frontend again
> and unchecked xvmc and it was working but the audio
> was out of sync, found that I had checked Use Video as
> Timebase, (I think I saw that in a post about my
> problems, but not sure) unchecked that and audio was
> fixed.  Turned xvmc back on and it DIDN'T LOCK UP.  I
> have it on now and will see if I can make it lockup
> but so far I have paused and unpaused and all seems
> good.
> 
> --- Chad Delatte <gremlin190 at yahoo.com> wrote:
> >
> > hojoloco
> >
> > I'm having the same problems with xvmc.  It locks my
> > machine up hard and then I have to reboot by
> > pressing
> > reset.  Disable and the hard locks go away.  I am
> > also
> > having problems with opengl.  If I compile with it
> > enabled, live tv stutters constantly and recordings
> > play in a fast forward sort of way.  I never had
> > xvattr installed until last night, so I don't think
> > it's that.  I'm now running myth so let me know if I
> > can help.
> > Chad
> >
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