On 06/20/2013 10:24 AM, Mario Ceresa wrote: > Hi Cole, thanks for your mail. > > I use: > > * qemu-2:1.2.2-11.fc18 > * ibvirt 0.10.2.5-1.fc18 > > My second GPU is 04:00.0 and the associated sound device is 04:00.1 > > So I do: > > sudo chmod 666 /dev/vfio/vfio > echo "10de 06dd" > /sys/bus/pci/drivers/pci-stub/new_id > echo 0000:04:00.0 > /sys/bus/pci/devices/0000\:04\:00.0/driver/unbind > echo 0000:04:00.0 > /sys/bus/pci/drivers/pci-stub/bind > echo 0000:04:00.1 > /sys/bus/pci/devices/0000\:04\:00.1/driver/unbind > echo "1" > /sys/bus/pci/devices/0000:04:00.1/remove > > Then I follow instructions in > https://fedoraproject.org/wiki/QA:Testcase_Virtualization_KVM_PCI_Device_Assignment > to assign the PCI slot. >
You might want to try with newer libvirt and qemu, like from the virt-preview repo: http://fedoraproject.org/wiki/Virtualization_Preview_Repository > > On 20 June 2013 16:12, Cole Robinson <crobi...@redhat.com > <mailto:crobi...@redhat.com>> wrote: > > On 06/20/2013 03:30 AM, Mario Ceresa wrote: > > Dear all, > > does anybody know if it is currently possible to do GPU passthrough in > kvm? I > > have access to a dual Quadro 4000 setup and I would like to pass the > second > > one to kvm for use in a VM. > > > > I read a lot on internet and it seems feasible [1, 2, 3] and there is > even a > > reported success case [5]. > > > > However when I start the VM the host reboots with PCIe error 928: > Completion > > timeout. > > > > My current setup is: > > > > * Fedora 18 with 3.9.4-200 x86_64 > > * dmesg | grep -e DMAR -e IOMMU shows that they are both enabled > > * nvidia driver installed from rpmfusion > > * I use vfio assignment as per [4] > > > > Thanks and regards, > > > > Mario > > > > > > [1] http://www.linux-kvm.org/page/VGA_device_assignment > > [2] https://bbs.archlinux.org/viewtopic.php?id=162768 > > [3] > > > > http://samos-it.com/removedetach-a-pci-device-linux-kvm-vga-passthrgough-nvidia-quadro-2000/ > > [4] > > > > https://fedoraproject.org/wiki/QA:Testcase_Virtualization_KVM_PCI_Device_Assignment > > [5] > > > > http://tavi-tech.blogspot.com.es/2012/05/vga-passthrough-kvm-fedora-17-and.html > > > > CC-ing Alex (the VFIO guy) > > What qemu and libvirt versions are you using? > > - Cole > > _______________________________________________ virt mailing list virt@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/virt
