[ltp] 3d on t40 - New Thinkpad user

Tino Keitel linux-thinkpad@linux-thinkpad.org
Tue, 21 Oct 2003 09:03:07 +0200

On Mon, Oct 20, 2003 at 10:37:48 -0400, Austin Murphy wrote:
> Hi Keith,
> I also have a T40 with the ATI Radeon 7500 also.  I use Knoppix/Debian
> with a 2.4.21-ac2 kernel.
> Direct Rendering requires the proper AGPGART kernel module in addition to
> the XFree86 driver.  Does 'dmesg' say anything about agpgart?

If the XFree86 log file says "direct rendering enabled", then
everything should be fine. 

> You may also want to try without the radeon kernel module.  That only
> deals with framebuffer graphics.

Wrong: the radeon.o module is the kernel part of the DRM. Direct
rendering won't work without the radeon.o (as a module or compiled into
the kernel).

> Austin
> --
> http://www.math.rutgers.edu/~amurphy/linux/IBM-T40.html