[libvirt] Problem with USB pass-through

[Carlos Rodrigues]

Hello,

I have a problem with USB pass-through.

I can see the USB device in host machine, i see it in libvirt but when
attach to VM i get an error:

# lsusb 
...
Bus 002 Device 014: ID 0529:0001 Aladdin Knowledge Systems HASP v0.06
...

# virsh nodedev-list
...
usb_device_529_1_noserial
usb_device_529_1_noserial_if0
usb_device_529_1_noserial_usbraw
...

# virsh dumpxml vm
...

    <hostdev mode='subsystem' type='usb' managed='no'>
      <source>
        <vendor id='0x0529'/>
        <product id='0x0001'/>
      </source>
    </hostdev>
...

# cat /var/log/libvirt/qemu/vm.log
...
LC_ALL=C PATH=/sbin:/usr/sbin:/bin:/usr/bin HOME=/
QEMU_AUDIO_DRV=none /usr/bin/qemu-kvm -S -M pc -m 3800 -smp 4 -name vm
-uuid 056dad8b-22a4-4472-cb5e-8cf60215a41b -monitor
unix:/var/lib/libvirt/qemu/v,.monitor,server,nowait -boot c -drive
file=/dev/vg_sata2/vol_vm,if=virtio,boot=on,format=raw -net
nic,macaddr=00:00:00:0b:5b:ec,vlan=0,model=virtio,name=net0 -net
tap,fd=21,vlan=0,name=hostnet0 -serial none -parallel none -usb
-usbdevice tablet -vnc 0.0.0.0:4 -k pt -vga cirrus -usbdevice
host:002.014 -balloon virtio 
husb: open device 2.12
/proc/bus/usb/002/012: No such file or directory
Warning: could not add USB device host:002.014
...

I'm using libvirt 0.8.3 with kvm 88.

Anyone have see this problem?

Regards,

-- 
Carlos Rodrigues <cmar at eurotux.com>
 Investigação e Desenvolvimento
 Eurotux Informática, S.A. [http://eurotux.com]



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