Cal, you are my hero! Thank you so much, it was exactly what I was looking for.<br><br>-Greg<br><br><div class="gmail_quote">On Thu, Mar 27, 2008 at 10:47 PM, cal <<a href="mailto:cal@graggrag.com">cal@graggrag.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Greg Grotsky wrote:<br>
> [ ... ]<br>
<div class="Ih2E3d">><br>
> So I went back to my kernel source and I cannot deselect the agpgart!<br>
> It get automatically selected when I add PCI support. I had this<br>
> problem long ago and I was able to solve it by putting 'Option "NvAGP"<br>
> "1"' in my xorg.conf and 'agp=off' in my kernel line in grub, they are<br>
> both still there but 'agp=off' no longer disables the agpgart from<br>
> loading. How can I fix this? Am I doomed to use 2.6.23.xx<br>
> indefinitely? Because it honors the 'agp=off' flag.<br>
<br>
</div>Here's a little patch I use in my kernels to solve this problem.<br>
<br>
<br>
Index: linux-2.6.24.4/arch/x86/Kconfig<br>
===================================================================<br>
--- linux-2.6.24.4.orig/arch/x86/Kconfig 2008-03-25 05:49:18.000000000 +1100<br>
+++ linux-2.6.24.4/arch/x86/Kconfig 2008-03-25 09:09:21.081651320 +1100<br>
@@ -406,7 +406,7 @@<br>
# Mark as embedded because too many people got it wrong.<br>
# The code disables itself when not needed.<br>
config GART_IOMMU<br>
- bool "GART IOMMU support" if EMBEDDED<br>
+ bool "GART IOMMU support"<br>
default y<br>
select SWIOTLB<br>
select AGP<br>
<br>
<br>
With that, I get to choose (again!) whether kernel agp gets built. I leave it out,<br>
and NvAGP works happily. Having changed to "manual mode", you do need to use<br>
sensible choices for the other GART IOMMU kernel options (in "Processor type and<br>
features" I believe). On mine, both "GART IOMMU support" and "IBM Calgary IOMMU<br>
support" are off.<br>
<br>
Cheers.<br>
<br>
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</blockquote></div><br>