Re: Installation Success on PowerPC SMP G4 w/ ADC monitor - but whence GLX?
Joseph Fannin wrote:
>
> On Sun, Nov 11, 2001 at 03:46:19PM -0700, Will Aoki wrote:
> > On Sun, Nov 11, 2001 at 02:40:27PM -0600, Glyph Lefkowitz wrote:
> >
> > > I installed the 2.4.12-powerpc-smp kernel image package, and that
> > > appeared to work with my SMP. However, the r128 module for DRI
> > > doesn't come with that kernel, so I built my own (with r128 and
> > > DRI both compiled in, not as modules), from linus's 2.4.14 tree.
> > >
> > > Although I get the output I expect from the diagnostic tool:
> > >
> > > glyph@zelda:~% glxinfo | grep direct
> > > direct rendering: Yes
> > >
> > > running glxgears will hang my X server until it is killed --
> > > except for the hardware cursor, which appears to keep displaying
> > > just fine. Apparently there are no ill effects to doing this (I've
> > > been running for 24 hours since the last time I tried it) but it
> > > does not display the friendly MesaGL demo that I have come to know
> > > and love.
> >
> > This also happens on my iBook if AGP is turned on. Try again without
> > AGP support.
> >
> > I seem to recall that r128.o needs AGP turned on in order to build,
> > so you should probably build AGP and r128 as modules, but just not
> > load agpgart.o.
>
> Conversely, I see just the opposite behavior (on an i386 machine)
> -- if r128.o is loaded before or without agpgart.o, hardware accel
> hangs the machine. When agpgart is loaded before r128, r128 prints
> some extra agp-related stuff to the console when it initializes -- and
> then hw accel works for me.
Yep, some chips seem to work better with AGP, others better without.
This is probably due to driver bugs, but they're very hard to find.
They all seem to like 16 bit better than 32 bit though.
--
Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer
XFree86 and DRI project member / CS student, Free Software enthusiast
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