On Tue, 2013-04-09 at 14:58 -0300, Daniel Bareiro wrote: > Hi all! > > > I've a cluster (active/passive) with two KVM VM with Asterisk and > Pacemaker+Corosync. I wonder if anyone tried to use a OpenVox A400P > card from a virtual machine. > > My idea is to have both nodes accessing this card. I don't know if it is > possible, I wish that in this scenario when a node is accessing the > card, the other don't use it. > > Of course this is a scenario for testing, but I wonder if I can do > this kind of configuration on the cluster over virtual machines. > > Hardware: > Motherboard: ASUS M2N32-SLI DELUXE ACPI BIOS Revision 0706 > Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ > > The hardware seems to support IOMMU, but it is not enabled: > > # dmesg | grep -i iommu > [ 0.000000] Please enable the IOMMU option in the BIOS setup > [ 0.654618] PCI-DMA: using GART IOMMU. > [ 0.654623] PCI-DMA: Reserving 64MB of IOMMU area in the AGP aperture > > > Software versions: > > # uname -a > Linux ss01 2.6.39-bpo.2-amd64 #1 SMP Thu Aug 4 11:42:06 UTC 2011 x86_64 GNU/Linux > > # kvm --version > QEMU emulator version 1.1.2 (qemu-kvm-1.1.2+dfsg-5~bpo60+1, Debian), Copyright (c) 2003-2008 Fabrice Bellard > > > > > Thanks in advance for your reply. AFAIK, Athlon64 does not support AMD-Vi, which is the IOMMU support you'd need. PCI passthrough also only works for VMs running on the same system where the card is installed, and doesn't offer multiplexing of a single device. Thanks, Alex -- 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
