ATI AGP card and Xorg

Robert Storey y2kbug at
Thu Sep 16 17:25:25 PDT 2004

One thing you could try is editing /etc/X11/xorg.conf and substituting
"vesa" for "ati". It's not an ideal solution, but the vesa driver often
works when nothing else will. You might want to take a look at
/usr/X11R6/lib/X11/doc/README.ati, and list all video drivers in


On Thu, 16 Sep 2004 11:10:44 -0400
John DeStefano <john.destefano at> wrote:

> Trying to take my mind off my server exploit issue...
> I'm trying to configure an ATI Radeon 9000 64mb AGP video card with
> Xorg on a FreeBSD5.3beta2 workstation. No matter which config option I
> choose ('Xorg -configure', 'xorgcfg -textmode', xorgconfig), when I
> test the generated .conf file, the screen locks up with a bunch of
> colors and horizontal lines (green on top, blue everywhere else). The
> mouse cursor moves, but none of the Ctrl+Alt key combos work, and I
> can't escape the X session or access another virtual console. The
> "Device" section generated from 'Xorg -configure' is:
> Section "Device"
> Identifier "Card0"
> Driver "ati"
> VendorName "ATI Technologies Inc"
> BoardName "Radeon RV250 If [Radeon 9000]"
> BusID "PCI:3:0:0"
> Here's any related output I can think of from 'pciconf -lv':
> agp0 at pci0:0:0: class=0x060000 card=0x00000000 chip=0x01e010de rev=0xa2
> hdr=0x00
> vendor = 'NVIDIA Corporation'
> device = 'nForce2 AGP Controller'
> class = bridge
> subclass = HOST-PCI
> .
> .
> .
> none9 at pci3:0:0: class=0x030000 card=0x20021002 chip=0x49661002
> rev=0x01 hdr=0x00
> vendor = 'ATI Technologies Inc.'
> device = 'RV250 Radeon 9000/9000 Pro'
> class = display
> subclass = VGA
> none10 at pci3:0:1: class=0x038000 card=0x20031002 chip=0x496e1002 
> rev=0x01 hdr=0x00
> vendor = 'ATI Technologies Inc.'
> device = 'RV250 Radeon 9000/9000 Pro - Secondary'
> class = display
> I thought it might be an AGP/kernel issue, but when I try 'kldload
> agp' I get back "File exists", and when I do 'kldstat -n agp' or
> 'kldunload' I get "No such file".
> I tried someone else's bare-bones "radeon" conf file, and I got the
> same problem as always on test: blue/green garbled screen, mouse
> moves, can't escape out of locked-up X. I then replaced the "radeon"
> Driver entry with "vesa" in the config. When I tested this, it showed
> a different garbled screen (grey this time) for a few seconds, then
> clicked to a "normal" X-Windows screen, but with a black hourglass
> outline on the sides. I was able to Ctl+Alt+Backspace out of this as
> normal, and the console didn't report any warnings or errors.
> I then moved this config file to /etc/X11/xorg.conf and ran 'startx'.
> It started fine and looked as described above, with an hourglass
> outline. When I exited X, there were some errors on the console that
> were probably just from exiting out of X, and this one:
> xauth: (argv):1: bad display name "" in "remove"
> command
> Any ideas on how to get this card working properly?  BTW: I began
> using FreeBSD5.3beta2 on this machine for its NDIS support for my
> onboard NIC.
> Thanks,
> ~John
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