Re: PCI-DMA: Disabling IOMMU

[Prakash Punnoor <prakash@punnoor.de>]

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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//\ Prakash Punnoor /\\
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