I did some experimenting with and without the RAID card installed. There are no DMAR errors, when the RAID card isn't present... Too bad! Anyone a suggestion for a RAID card that works with IOMMU? Nils -- nilscaspar.ch On 30.01.2013, at 23:21, Nils Caspar <ncaspar at me.com> wrote: >> Try booting the system without intel_iommu=on, but with the IOMMU >> enabled in the bios. Something has to be at 05:01.0. Do you see any >> Ricoh devices anywhere in lspci output? > > That's exactly what I did. > > I uploaded the full output of `lspci -vv`: http://nilscaspar.ch/centos-lspci.txt > > Cheers, > Nils > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos