[mythtv-users] Very slight jitter on high power machine

[Doug Larrick]

Joe Barnhart wrote:
> --- Doug Larrick <doug at ties.org> wrote:
> 
> 
>>As far as your occasional jitter, I'd suggest making
>>sure OpenGL vsync 
>>is being used (with 'mythfrontend --verbose
>>playback), and make sure 
>>you're installing mythfrontend as SUID root.
> 
> 
> I've tried and tried to use the "suid root" trick on
> my vanilla stock 0.16 KnoppMyth R4V5 box, and every
> single time I make this change and restart
> mythfrontend, BANG it hangs Linux HARD.  I can't even
> get ssh going to shut down gracefully.  It's power
> off, power on time.  What the heck is going on???

Read about "Magic SysRq" key combination, enable this support in your 
kernel, and do it.  Get a kernel backtrace and tell us what piece of 
software is stuck.  You're not the only one having this problem, but 
none of the developers are.

-Doug
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