ubuntu 14.04 pci passthrough

1:安裝kvm virt-manager完之後

2:sudo vi /etc/default/grub
加入 intel_iommu=on
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_iommu=on"

3:sudo update-grub  

4: sudo reboot

5: virsh nodedev-dettach pci_8086_3a6c 

6:接下來透過virt-manager做pci加入的動作


參考:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Virtualization/sect-Virtualization-Adding_a_PCI_device_to_a_host.html