On Tue, 25 Mar 2008, Thomas Meyer wrote:
quoted text
> 
> and compare lspci -vv from 2.6.25 and 2.6.24:
> 
> 2.6.25:
>
>    Region 0: [virtual] Memory at 100000000 (32-bit, non-prefetchable) [size=4K]
> 
> 2.6.24:
>
>    Region 0: Memory at 8c000000 (32-bit, non-prefetchable) [size=4K]

Ok, so it didn't use to be at the 4GB mark.

This seems to be a PCI and resource alloc issue. It would be really 
interesting to see where the 4GB allocation started. Ie ignore anything 
else (warnings, driver loadings etc), and _just_ look at lspci -vv output 
for where the memory got allocated.

Did you already bisect that and I just missed it?

		Linus
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