rv530 AGP + nvidia-agp Problems

[Alex Deucher]

On Sun, Mar 2, 2008 at 6:05 PM, Andy Furniss
<lists at andyfurniss.entadsl.com> wrote:
> Hi
>
>  I've been trying to get my Sapphire X1600pro AGP to work with the latest
>   git ati/drm on an nforce-2 mobo and have a few problems.
>
>  I have new drm/radeon .ko from git in /lib/modules.. and git/module/..
>
>  If I don't modprobe nvidia-agp then X starts and functions OK until I
>  try and use xv - I then get a hard lockup (have tried specifying ports
>  with mplayer).
>
>  Log (attached - log-xorg-no-nvid) shows AGP not initialising correctly
>  though drm,agpgart and radeon modules are autoloaded.
>
>  If I first modprobe nvidia-agp then X fails to start, though the box is
>  still up.
>
>  Log (log-xorg-nvid-loaded) shows some warnings and is truncated, kernel
>  log ends with a r300 microcode message.
>
>  Mar  2 22:19:14 amd kernel: Linux agpgart interface v0.102
>  Mar  2 22:19:14 amd kernel: agpgart: Detected NVIDIA nForce2 chipset
>  Mar  2 22:19:14 amd kernel: agpgart: AGP aperture is 256M @ 0xc0000000
>  Mar  2 22:19:52 amd kernel: [drm] Initialized drm 1.1.0 20060810
>  Mar  2 22:19:52 amd kernel: ACPI: PCI Interrupt Link [APC4] enabled at
>  IRQ 19
>  Mar  2 22:19:52 amd kernel: ACPI: PCI Interrupt 0000:02:00.0[A] -> Link
>  [APC4] -> GSI 19 (level, high) -> IRQ 19
>  Mar  2 22:19:52 amd kernel: [drm] Initialized radeon 1.28.0 20060524 on
>  minor 0
>  Mar  2 22:19:53 amd kernel: agpgart: Found an AGP 3.0 compliant device
>  at 0000:00:00.0.
>  Mar  2 22:19:53 amd kernel: agpgart: Putting AGP V3 device at
>  0000:00:00.0 into 4x mode
>  Mar  2 22:19:53 amd kernel: agpgart: Putting AGP V3 device at
>  0000:02:00.0 into 4x mode
>  Mar  2 22:19:53 amd kernel: [drm] Setting GART location based on new
>  memory map
>  Mar  2 22:19:53 amd kernel: [drm] Loading R300 Microcode
>  Mar  2 22:19:53 amd kernel: [drm] writeback test failed
>
>  xorg.config is almost empty - just a keyboard section.
>
>  I am not subscribed to the list.

AGP cards will probably have issues with enabling the dri (only for 2D
at the moment)  since they have a special bridge chip that translates
between AGP and PCIE.  We are working on sorting out the info on that
chip.

Alex