Comment 3 for bug 1320360

Revision history for this message
Martin Röh (mar7in) wrote : Re: [Bug 1320360] Re: usb passthrough not working anymore

The command line is

/usr/bin/qemu-system-x86_64 -machine accel=kvm -name win8 -S -machine
pc-i440fx-2.0,accel=kvm,usb=off -cpu Nehalem -m 2048 -realtime mlock=off
-smp 2,sockets=2,cores=1,threads=1 -uuid
424ca5ec-2fb4-4d1c-84c4-25b92d468b8e -no-user-config -nodefaults
-chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/win8.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc
base=localtime,driftfix=slew -global kvm-pit.lost_tick_policy=discard
-no-hpet -no-shutdown -global PIIX4_PM.disable_s3=1 -global
PIIX4_PM.disable_s4=1 -boot strict=on -device
ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x4.0x7 -device
ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x4
-device
ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x4.0x1
-device
ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x4.0x2
-device ahci,id=ahci0,bus=pci.0,addr=0x7 -drive
file=/opt/emu/win8.raw,if=none,id=drive-virtio-disk0,format=raw -device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=2
-netdev tap,fd=22,id=hostnet0,vhost=on,vhostfd=23 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:44:d1:dc,bus=pci.0,addr=0x3
-chardev pty,id=charserial0 -device
isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0
-vnc 127.0.0.1:0 -device VGA,id=video0,bus=pci.0,addr=0x2 -device
intel-hda,id=sound0,bus=pci.0,addr=0x8 -device
hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6

Am 17.05.2014 01:15, schrieb Lekensteyn:
> Be sure to add the -usb option. What is your command line?
>
> See also
> http://git.qemu.org/?p=qemu.git;a=blob;f=docs/usb2.txt;h=c7a445afcd55fe1f12033d529d668a1306d5a9f4;hb=HEAD#l111
>