Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?

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On Fri, 1 Jun 2007, Andi Kleen wrote:

Jesse Barnes <[email protected]> writes:

(or we get proper PAT support, which I think would make this problem
go away as well).

No it won't. If the basic MTRRs for memory are wrong just having PAT support
in drivers (which already exist in a limited form already, just for
UC only) won't change anything.

-Andi


Basically from what I read:

1. The MCH/ICH8 hub 'requires' a minimum of 512MB to run, the board manual states it needs at least 512MB of memort. 2. The DVT/IGP graphics uses either 128MB or 256MB, I have it set to 128MB.

How can the Linux kernel find this out/poll this information so users do not have to know mem=XXXXM?

Justin.
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