[mythtv-users] Recent occasional tearing with GT 430 Advanced 2x?

[Jim]

On 1/8/2015 9:42 AM, Tom Dexter wrote:
> I'm running mythtv-0.27.3 (patched for the schedules direct change)
> under Gentoo on my x86 frontend.
>
> I've been using an nVidia GT 430 for 2-3 years now and have always
> used the VDPAU High Quality profile with no problem.  I record all
> U.S. OTA, so I need de-interlacing on everything except ABC and Fox.
>
> Starting less than a week ago I've been getting sporadic occasional
> tearing...mostly in the form of things such as that "jumping" effect
> during camera pans etc.  When it happens, manually switching the
> deinterlacer from Advanced 2x to Temporal 2x corrects it.
>
> This started with no recent updates etc, or any change that would
> explain it.  The only change was an upgrade of the Mythbuntu theme,
> which I knew wouldn't be related (though I tried another theme just to
> make sure).  All other things around my fronend/backend seem to be
> fine otherwise.  Last night I upgraded the nVidia driver from
> 343.22-r2 to 343.36 (the current stable driver) to see if it would
> help, but it still happens occasionally.
>
> I almost wondered if the broadcasters had possibly increased frame
> rates or something, however I ran into this on a CBS 1080i recording
> I've had for over six months.
>
> Any clues as to what might cause that?  I'm almost wondering if the
> nVidia card itself may be failing or something.
>
> Thanks!
> Tom
> _______________________________________________

Maybe as simple as opening up the case and blowing the dust out of your 
video card... and as long as you are there blow off the CPU.

-- 
Jim