Messages in this thread | | | Date | Thu, 19 Apr 2007 12:05:44 -0400 | From | Chuck Ebbert <> | Subject | Re: PCI Express MMCONFIG and BIOS Bug messages.. |
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Robert Hancock wrote: > I've seen a lot of systems (including brand new Xeon-based servers from > IBM and HP) that output messages on boot like: > > PCI: BIOS Bug: MCFG area at f0000000 is not E820-reserved > PCI: Not using MMCONFIG. > > > So Microsoft is explicitly telling the BIOS developers that there is no > need to reserve the MMCONFIG space in the E820 table because Windows > doesn't care. On that basis it doesn't seem like a valid check to > require it to be so reserved, then. > > Really, I think we should be basing this check on whether the > corresponding memory range is reserved in the ACPI resources, like > Windows expects. This does require putting more fingers into ACPI from > this early boot stage, though.. >
Intel had posted patches to do exactly that, but they were rejected. I don't remember why now... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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