On Sunday 25 July 2004 23:39, Peter Larson wrote:
> > I get the same ground poly problems that you seem to be getting with your
> new
> > ATI driver, except I've been getting them for some time now.
> >
> > It actually only seems to be the airfield polys that are affected but
> you'll
> > often see it with airfields that are a long way away, to the extent that
> you
> > can't see the airfield itself but only the displaced polys as they sick
> > up through the haze, sometimes to many tens of thousand of feet.
> >
> > Are you able to fly at night i.e. when the sun is below the horizon?  If
> > I
> try
> > flying in these conditions FG starts but crashes once I get a few hundred
> > feet in the air and I think this is also due to the ATI drivers.
> I'm very new on FG, only been running it for two weeks. Also, my PC was
> just recently rebuilt, so pretty much everything in new.
> I was getting the segfault when I exited FG, but this disappeared when I
> installed the latest driver from the ATI web site. I've seen some comments
> that there are problems with some VIA chipsets and the ATI Radeon cards, so
> I have also installed the latest drivers for the motherboard. My machine
> was hanging when the resolution was greater than 1024 x 768, just running
> windows, so there is obviously some clashes there. since I did this, I
> havn't tried higher than 1024 resolution, so I don't know if I've actually
> fixed the problem.
> Are you using an ATI card? The problems you described are similar,
> especially the long distance problems. I assumed at first that is was
> really bad sheet lightning graphics until I noticed they were coming from
> the ground!

Yep - I'm using an ATi card.

> I've had FG hang once in a night flight, possibly around 100 seconds, as
> others indicated in this thread. I'll pay more detail from now on, as I've
> assumed most of my problems up until now have been motherboard/video
> clashes.
> Peter

I'm pretty certain that these problem are due to the ATI drivers - using the 
same FG s/w versions on other systems with old Matrox cards is fine.  I've 
also had problems with other s/w that seems to be clearly linked to the ATI 
drivers too.


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