[libvirt] PCI Passthrough

Aaron Clausen mightymartianca at gmail.com
Fri Jan 22 17:09:19 UTC 2010

I'm trying once again to get PCI passthrough working (KVM 84 on Ubuntu
9.10), and I'm getting this error :

LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
/usr/bin/kvm -S -M pc-0.11 -m 4096 -smp 4 -name mailserver -uuid
76a83471-e94a-3658-fa61-8eceaa74ffc2 -monitor
unix:/var/run/libvirt/qemu/mailserver.monitor,server,nowait -localtime
-boot c -drive file=,if=ide,media=cdrom,index=2 -drive
-drive file=/var/lib/libvirt/images/mailserver-2.img,if=virtio,index=1
-net nic,macaddr=54:52:00:1b:b2:56,vlan=0,model=virtio,name=virtio.0
-net tap,fd=17,vlan=0,name=tap.0 -serial pty -parallel none -usb
-usbdevice tablet -vnc -k en-us -vga cirrus -pcidevice
char device redirected to /dev/pts/0
get_real_device: /sys/bus/pci/devices/0000:0a:01.0/config: Permission denied
init_assigned_device: Error: Couldn't get real device (0a:01.0)!
Failed to initialize assigned device host=0a:01.0

Any thoughts?

Aaron Clausen
mightymartianca at gmail.com

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