On 23 August 2011 20:38, Mark Knecht <markkne...@gmail.com> wrote: > Hi all, > Can someone point me toward somehow enabling CONFIG_IOMMU_SUPPORT? > It is apparently a kernel config option no required by > virtualbox-drivers but I'm not finding it in the 3.0.3 kernel. I > suspect there's something else I need to enable before this option > becomes available? Unfortunately I haven't been able to Google what I > need to do to find it. > > Thanks, > Mark > > * Messages for package app-emulation/virtualbox-modules-4.1.2: > > * CONFIG_IOMMU_SUPPORT: is not set when it should be. > * Please check to make sure these options are set correctly. > * Failure to do so may cause unexpected problems. > <SNIP> > > k2 linux # cat .config | grep IOMMU > CONFIG_GART_IOMMU=y > # CONFIG_CALGARY_IOMMU is not set > CONFIG_AMD_IOMMU=y > # CONFIG_AMD_IOMMU_STATS is not set > CONFIG_IOMMU_HELPER=y > CONFIG_IOMMU_API=y > # CONFIG_IOMMU_DEBUG is not set > # CONFIG_IOMMU_STRESS is not set > k2 linux #
I noticed the same. There does not appear to be any such option but luckily its absence does not appear to affect running VB at all.
