On Sun, 1 Dec 2002, Adam K Kirchhoff wrote:
>
> On Sun, 1 Dec 2002, Keith Whitwell wrote:
>
> > Adam K Kirchhoff wrote:
> > > Hello all,
> > >
> > > I recently upraded from an SMP VIA PIII motherboard to a UP Intel
> > > I845 P4 motherboard. So far, things have gone pretty smoothly (I've
> > > needed to upgrade to 2.4.20 to support the new ICH4 IDE controller).
> > >
> > > There are a few remaining issues I'm facing, and one of them has
> > > to do with the DRI: it locks up this machine solid. I have a Radeon 8500
> > > which worked beautifully on the VIA motherboard. I have, of course,
> > > compiled agpgart with support for the i845, and it loads fine:
> > >
> > > agpgart: Maximum main memory to use for agp memory: 439M
> > > agpgart: Detected Intel i845 chipset
> > > agpgart: AGP aperture is 64M @ 0xd0000000
> > >
> > > This afternoon I rebuilt and installed the entire DRI to see if
> > > that would solve the problem. It did not.
> > >
> > > Basically, if I run 'startx', the machine completely locks up.
> > > It no longer responds to pings, and the terminal I have from another
> > > machine (through kermit) is completely unresponsive. In fact, if I start
> > > 'tail -f /var/log/XFree86.0.log' from the terminal before I startx,
> > > *nothing* is printed out before the computer locks up.
> > >
> > > Interestingly, though, the FireGL drivers from ATI run just fine
> > > on this new motherboard.
> >
> > AGP Fast writes are a problem with the 845 - try turning them off if you've
> > got them on. Similarly for other agp stuff.
>
> How about PageFlipping? Is it safe to leave that enabled? I'm not
> positive, but I don't believe that's AGP related.
>
> Anyway, I'll give it a shot later this afternoon.
FYI,
I got it working at AGP 4x, with a 128 Meg aperature, with Fast
Writes disabled (and Page Flipping enabled). Thanks Keith.
Adam
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