[Sidefx-houdini-list] Ye ole geforce 8800 gtx

Peter Robbinson probbins at sympatico.ca
Tue May 22 14:11:49 EDT 2007

You might also want to try Twinview instead of Nview.


On Tue, 2007-05-22 at 10:54 -0700, Kurt Williams wrote:
> Sidestepping the quadro vs geforce debate for the moment.
> Is there anyone here running an nvidia geforce 8800 gtx with Houdini 8.2 
> in an windows environment? Or heck any other environemnt. I'm starting 
> to crack the iceberg in testing, and I know that with this relatively 
> new card and gpu architecture, there will be some driver issues. Maya 
> users have been complaining about the 8800 gtx for redraw so I suspect 
> the problems I'm having are purely driver related. I suspected 64bit 
> windows may be causing the problem but I'm hearing these redraw issues 
> with win32 as well.
> I'm currently running forceware 158.22 on Windows XP Pro x64 driving 
> twin 1920x1280 displays.
> With this driver set, the redraw gets corrupted really easy when I have 
> nView enabled [two independant displays]. After awhile, channel boxes 
> will fill with garbage characters. Within a few minutes I'll get a BSOD.
> If I turn off nView and have the drivers treat the two displays as one  
> large 3840x1280 desktop, houdini is very stable, and fast. There are GUI 
> Clipping and some minor redraw issues but nothing show stopping.
> I'll have to do more testing including:
> - turning off the opengl/hardware accelleration via the environment 
> variable to confirm its a driver issue.
> - running older drivers and beta drivers
> - running rivatuner to softmod the 8800 into a quadro 4600
> - installing ubuntu and see how the situation is on the linux side.
> Worse case I can return the 8800 gtx and get a quadro fx 1500 or 45/4600 
> or just sit with the card and wait for driver improvements.
> If anyone has gotten things working nicely, what version of driver are 
> you using?
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