MMCONFIG & MCFG (e820)
Dave Jones
davej at redhat.com
Tue Sep 5 15:52:34 UTC 2006
On Tue, Sep 05, 2006 at 06:38:44PM +0600, SERGIE wrote:
> This is my dmesg... On setting `quiet' parameter to the kernel a problem arise
> on STDERR, which says (these strings somewhere below):
>
> ===
> PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
> PCI: Not using MMCONFIG.
> ===
>
> What could be the attempts I would try to get rid of this problem. I tried
> setting "Direct" in kernel PCI Access Mode - it works well. However I want to
> use "any" option, which chooses MMCONFIG first...
>
> Please help if someone is able to...
As the message states, it's a BIOS bug.
Look for an update from your motherboard vendor.
Dave
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