> Okay, I changed the code to this:
>
> >DRM_DEBUG("dev = 0x%x, bus_address = 0x%x, bus_to_virt = 0x%lx, max_pages =
> >0x%x\n",
> > (unsigned int)&dev->pdev->dev, bus_address,
> > (unsigned long)virt_to_bus(bus_address), max_pages);
> >
> >if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
> > DRM_DEBUG("calling dma_sync_single_for_device()\n");
> > dma_sync_single_for_device(&dev->pdev->dev,
> > bus_address,
> > max_pages * sizeof(u32),
> > PCI_DMA_TODEVICE);
> >}
>
> It looks like dma_sync_single_for_device() is not called here (the debug
> messages don't show up in kernel log). I also included the Xorg.0.log
> file.
Ok, try adding more debug then, around the calls to pci_map_single() in
that same function and dump the arguments. I'm especially interested
in the result of the various page_address().
Ben.
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