[mythtv-users] nVidia tearing if dual display?

[Jon Boehm]

Mark Kendall wrote:
> On 10/10/07, Michelle Dupuis <support at ocg.ca> wrote:
>> My nVidia display shows tearing, despite trying all the sync settings.  I
>> finally came across a threat relating to dual head use causing tearing.
>>
>> My 8xxx series card has 2 DVI outputs,   One is used to drive the little
>> screen on the PC case, one is used to drive my projector.
>>
>> Anyone have an idea/solution - does dual head use somehow screw up sync?
> 
> I think vsync used to be tied to the output of the first display -
> though this is going back a while and things may have moved on a lot.
> 
> If the projector is on the second output, try swapping them around.
> 
> Regards
> 
> Mark

You might try

Option "NvAGP" "2"

in you xorg.conf.  The problem is that s2ram requires a value of "1" and 
Mythfrontend requires, at least for me, a value of "2".  I would rather 
suspend to ram then use my mythfrontend on my dual headed box.

I too have tearing on dual headed box.

Jon