On Wed, 2006-06-07 at 06:15 +0200, Pavel Troller wrote: > > On my buggy computer i get > > cat dmesg09 | grep "MM\|MCFG" > > ACPI: MCFG (v001 A M I OEMMCFG 0x05000602 MSFT 0x00000097) @ 0x000000003ffb0410 > > PCI: BIOS Bug: MCFG area is not E820-reserved > > PCI: Not using MMCONFIG. > > PCI-DMA: Disabling IOMMU. > > I'm getting exactly the same messages, just the numbers in the MCFG line are > different: > root@arcus:~# dmesg | grep "MM\|MCFG" > ACPI: MCFG (v001 A M I OEMMCFG 0x11000524 MSFT 0x00000097) @ 0x000000003f7d03f0 > PCI: BIOS Bug: MCFG area is not E820-reserved > PCI: Not using MMCONFIG. > PCI-DMA: Disabling IOMMU. > > It's on a MSI motherboard with Intel 945 chipset (MS-7210). The machine > otherwise works very well. > The "Disabling IOMMU" message I'm getting also on another, Nvidia NF4/Opteron > based board, without this MCFG bug. I think it's unrelated and because Linux > properly detected the BIOS bug and probably fixed it, I think the MCFG message > is harmless. > With regards, Pavel Troller yes, IOMMU is a different thing some AGPs have it. But I don't what is too. Sérgio M. B. - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html