[mythtv-users] Segmentation fault starting "mythtv"

Joe Votour joevph at yahoo.com
Sat Aug 13 23:13:41 UTC 2005


Without saying exactly where the segfault happens, I
can't say for sure, but I suspect that it is a problem
with OpenGL VSync, which opens /dev/nvidia0.  The only
way to really know is to compile a debug version and
get a full backtrace.

Before trying to watch LiveTV, or recording, enter
into the menus and switch off OpenGL VSync - that
should fix your problem (you could also try switching
off XvMC if you have it on).  From your posted log, it
looks like you're trying to watch a recording or
LiveTV just after MythTV starts.

-- Joe

--- Andy Pflueger <andypflueger at gmail.com> wrote:

> On 8/13/05, Joe Votour <joevph at yahoo.com> wrote:
> > Why are you running "mythtv"?  It is my
> understanding
> > that you should be running, "mythfrontend", and
> not
> > "mythtv".
> > 
> > The reason /dev/nvidia0 is being checked is
> because
> > it's trying to use OpenGL Vsync (which to my
> knowledge
> > is only guaranteed to work with nVidia cards).  Go
> > into mythfrontend, and disable this option (it's
> under
> > the Hardware page, along with the PVR-350 and XvMC
> > settings).
> > 
> > There should be no need to recompile.
> > 
> > -- Joe
> > 
> 
> I was running mythtv just to see if I could get the
> TV viewer to run.
> I have been trying mythfrontend as well and keep
> getting the following
> seg fault as a result:
> 
> mytoy andy # mythfrontend
> 2005-08-13 19:00:43.652 New DB connection, total: 1
> Total desktop width=1280, height=1024, numscreens=1
> 2005-08-13 19:00:43.657 Using screen 0, 1280x1024 at
> 0,0
> 2005-08-13 19:00:43.661 mythfrontend version:
> 0.18.1.20050510-1 www.mythtv.org
> 2005-08-13 19:00:43.661 Enabled verbose msgs :
> important general
> 2005-08-13 19:00:43.975 Switching to square mode
> (PurpleGalaxy)
> 2005-08-13 19:00:44.436 Registering Internal as a
> media playback plugin.
> 2005-08-13 19:00:44.445 Registering MythDVD DVD
> Media Handler as a media handler
> 2005-08-13 19:00:44.446 Registering MythDVD VCD
> Media Handler as a media handler
> 2005-08-13 19:00:44.788 Registering MythMusic Media
> Handler as a media handler
> 2005-08-13 19:00:47.436 New DB connection, total: 2
> 2005-08-13 19:00:47.467 Connecting to backend
> server: 192.168.0.2:5143
> (try 1 of 5)
> 2005-08-13 19:00:47.481 Using protocol version 15
> 2005-08-13 19:00:47.538 Using protocol version 15
> 2005-08-13 19:00:47.972 Opening audio device
> '/dev/dsp'.
> 2005-08-13 19:00:47.972 Opening OSS audio device
> '/dev/dsp'.
> 2005-08-13 19:00:47.999 Using XV port 53
> Segmentation fault
> 
> Could this be related to XvMC and incompatibility
> with my ATI Radeon card?
> 
> Thanks,
> Andy
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> mythtv-users at mythtv.org
>
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> 


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