2010/1/26 Chris Wright <chrisw@xxxxxxxxxxxx>: > > Again, VT (or VT-x) isn't the same as VT-d. So to be sure, you can > grep dmesg for DMAR and IOMMU to verify that the chipset actually has > VT-d support, that it's enabled, and that it's not broken (there are > quite a few broken BIOS out there that case the IOMMU to be unusable). dmesg | egrep (DMAR|IOMMU) This information should _really_ be added to the wiki at http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM Knowing this, it's quite easy for a user to determine if his system has VT-d support, _before_ following the guide, compiling own kernel, setting up qemu-kvm, unbinding and rebinding PCI devices, just to have qemu-kvm 0.12.2 tell him that the system has no IOMMU (much better than 0.12.1, agreed, but it's a bit late in the process to find out :)) Can someone with write permissions to the wiki please add this? Best Regards Kenni Lund -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html