ATI rv250 hangs with opengl apps

[Dave Airlie]

>
> glxgears reliably triggers the problem after 3 or 4 seconds, so
> it is easy to reproduce.
>
> I saw some similar bug reports,
>
>   https://bugs.freedesktop.org/show_bug.cgi?id=3510
>   https://bugs.freedesktop.org/show_bug.cgi?id=2012
>
> A few lines from Xorg.0.log,
>
> (--) PCI:*(1:0:0) ATI Technologies Inc Radeon RV250 If [Radeon 9000]
> rev 1, Mem @ 0xe8000000/26, 0xf1000000/16, I/O @ 0xa000/8
> (--) PCI: (1:0:1) ATI Technologies Inc Radeon RV250 [Radeon 9000]
> (Secondary) rev 1, Mem @ 0xec000000/26, 0xf1010000/16
>
> (II) RADEON(0): AGP Fast Write disabled by default
> (II) RADEON(0): Depth moves disabled by default
>
> System is SMP dual-celeron mendocino, Intel 440BX, vanilla 2.6.13
> kernel,
>
>   CONFIG_SMP=y
>   CONFIG_PREEMPT=y
>   CONFIG_PREEMPT_BKL=y
>

1. Can you try it with a non-SMP/non-PREEMPT kernel?? to see if it goes away?

2. Can you try in a separate test with Render acceleration disabled?
Option "RenderAccel" "false"?

I'm trying to track these, but I've no SMP here and I can't reproduce
it at all with my Radeon 9200..

Dave.