Radeon 9100 IGP AGP problem

[Yong-Jhen Hong]

Hi all!

Recently I try to make DRI work on my Shuttle "Zen" ST62K with Radeon
9100 IGP. I use the Modular X.Org port tree to upgrade to 7.2-RC2.
The system locks up when I enable DRI module, unless I force
the "radeon" driver to use PCI bus instead of AGP (Option "BusType"
"PCI").

I found Jung-uk Kim's suggested AGP test code here:
http://lists.freebsd.org/pipermail/freebsd-x11/2004-May/000322.html
The system also locks up when it executes the memory benchmark.

Is this AGP test code not suitable for 6-STABLE now, or is it a AGP
bug?

Thanks,
yongjhen


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agp0: <ATI RS300_200 AGP bridge> mem 0xe4000000-0xe7ffffff,0xec204000-0xec204fff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
drm0: <ATI Radeon RS300 9100 IGP> port 0xc000-0xc0ff mem 0xe8000000-0xebffffff,0xec020000-0xec02ffff irq 16 at device 5.0 on pci1
[drm:pid0:drm_load]
[drm:pid0:radeon_driver_load] AGP card detected
[drm:pid0:drm_agp_init] agp_available = 1
info: [drm] AGP at 0xe4000000 64MB
[drm:pid0:drm_ctxbitmap_next] drm_ctxbitmap_next bit : 0
[drm:pid0:drm_ctxbitmap_init] drm_ctxbitmap_init : 0
info: [drm] Initialized radeon 1.25.0 20060524