Messages in this thread | | | From | Prakash Punnoor <> | Subject | Re: PCI-DMA: Disabling IOMMU | Date | Wed, 18 Oct 2006 17:41:03 +0200 |
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Am Mittwoch 18 Oktober 2006 17:03 schrieben Sie: > Hi, > > Linux ouputs some strange "PCI-DMA: Disabling IOMMU" on booting. It's a > ALiveNF4G motherboard with an Athlon64 X2 running vanilla Linux 2.6.18.1 > (which supports all hardware out of the box, pretty cool). > > Should I worry about this IOMMU-disabling? All other Linux/IOMMU stuff I > found had AGP or BIOS messages nearby, but I only get this single > "PCI-DMA: Disabling IOMMU" line, without any hint.
Unless you have >=4GB of RAM using IOMMU makes no sense, thus it gets disabled.
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