On 5 Oct 2001, Michel [ISO-8859-1] D�nzer wrote:
> On Fri, 2001-10-05 at 17:25, [EMAIL PROTECTED] wrote:
> >
> > Before I try delving deeper into this, maybe someone can tell me what is
> > going on.
> >
> > * Radeon: 1002:5144
> > * 2d is working fine
> > * software GL is working fine
> > * accelerated 3d: glxgears are "funny" - they do not rotate, but
> > "toggle" from one position to another
>
> Refresh rate aliasing?
Yep, looks like it. Btw, it seems the "BlockHandler" patch fixed this
too. Perhaps, the data was accumulating in large chunks or some such..
>
> > * when I move glxgears around the screen I get corruption from window
> > borders (this does not happen if I move plain 2d windows.
>
> The same happened with the r128 driver before we flushed DMA buffers in
> the BlockHandler. Please try this patch (against DRI CVS, but hopefully
> applies anyway):
>
This helped, thanks. One more problem though: I get random slowdowns in
KDE 2.2.1. (i.e. if you start glxgears it will freeze once in a while even
though the system isn't doing anything). I believe the error is somehow
connected with "Mouse grab failed" messages, but the interesting part is
that it is very noticable on a Pentium IV system with Radeon, and not very
noticable on PIII-500 with Rage Mobility. The other way to test it is
this: open 4 terminals on a large screen (1600x1200), start top in one of
them and move mouse around so as to cause KDE to switch active windows.
The P-IV system with Radeon shows high (near 100%) cpu utilization, while
systems with Rage Mobility (and Rage Mobility M3) are about
10%. (Note: the radeon card in P-IV system is 1002:5144, 32meg ram).
The other difference between these systems is that P-IV is running Linux
2.4.10 while the other systems use 2.4.9 and 2.4.0-test8. (though, so far,
it seem this does not seem to make any difference).
One more difference is that P-IV is running recent CVS, while other
systems use (almost) plain 4.1.0. I'll try downgrading as soon as I get
some time.
thanks !
Vladimir Dergachev
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