https://launchpadlibrarian.net/129880187/buildlog_ubuntu-quantal-amd64.qemu_1.3.0%2Bdfsg-1~exp3ubuntu9_FAILEDTOBUILD.txt.gz

ERROR
ERROR: User requested feature spice
ERROR: configure was not able to find it
ERROR
make: *** [configure-stamp] Error 1
dpkg-buildpackage: error: debian/rules build-arch gave error exit status 2
******************************************************************************
Build finished at 20130129-1938
FAILED [dpkg-buildpackage died]
******************************************************************************

View Serge Hallyn’s response down here :

https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1109256

Some private information about myself may be found at

http://nauchi61.ru

$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir81
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
seabios vgabios \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-1 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

$ sudo adduser $USER libvirtd
REBOOT

Link to PPA  Qemu-kvm 1.1

*************************************************************************************
Link to PPA Set up qemu-kvm-1.0+noroms as spice enabled qemu server
*************************************************************************************

Set up qemu-kvm-1.0+noroms as spice enabled qemu server & Spice 0.10.1 with Visio patches for Windows
*************************************************************************************
Link to PPA Set up qemu-kvm-1.0+noroms as spice enabled qemu server & Spice 0.10.1 with Visio patches for Windows
*************************************************************************************

Qemu-kvm 1.0 has been built based on branch
http://cgit.freedesktop.org/~jwrdegoede/qemu/log/?h=qemu-kvm-1.0-usbredir
as of 04/29/2012. It contains all required usb redirection patches on
top of QEMU-KVM 1.0 release

$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ cd ..
$ cp -R qemu qemu-kvm-1.0-usbredir043012

libcap-dev added to debian/control for virtfs support.

Build requires spice and spice-protocol 0.10.1 and the most recent usbredir 0.4.3
as of 04/02/2012.

$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir75
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-1 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

$ sudo adduser $USER libvirtd
REBOOT

*************************************************************************
Link to PPA Set up Spice-Gtk 0.12 on Ubuntu Precise (v.3)
*************************************************************************

$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ cd ..
$ cp -R qemu qemu-kvm-1.0-usbredir040712

****************
Link to PPA V.4
****************
$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir71
$ $ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-1 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

$ sudo adduser $USER libvirtd
REBOOT
View also bug report for F16 affecting Ubuntu as well



Start VM with virtfs support :
$ sudo /usr/bin/kvm -cpu host -enable-kvm \
-name VF15HQ -m 2048 \
-drive file=/dev/sdb5,if=virtio,media=disk,aio=native,cache=off \
-net nic,model=virtio -net user -localtime \
-usb -vga qxl -spice port=5900,disable-ticketing \
-device virtio-serial \
-chardev spicevmc,id=vdagent,name=vdagent \
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0 \
-readconfig /etc/qemu/ich9-ehci-uhci.cfg \
-chardev spicevmc,name=usbredir,id=usbredirchardev1 \
-device usb-redir,chardev=usbredirchardev1, \
id=usbredirdev1,debug=3 \
-chardev spicevmc,name=usbredir, \
id=usbredirchardev2 \
-device usb-redir,chardev=usbredirchardev2, \
id=usbredirdev2,debug=3 \
-chardev spicevmc,name=usbredir,\
id=usbredirchardev3 \
-device usb-redir,chardev=usbredirchardev3, \
id=usbredirdev3,debug=3 \
-virtfs local,path=/home/boris,security_model=passthrough,mount_tag=host_share

do_spice_init: starting 0.10.1
spice_server_add_interface: SPICE_INTERFACE_MIGRATION
spice_server_add_interface: SPICE_INTERFACE_KEYBOARD
spice_server_add_interface: SPICE_INTERFACE_MOUSE
spice_server_add_interface: SPICE_INTERFACE_QXL
red_worker_main: begin
display_channel_create: create display channel
cursor_channel_create: create cursor channel
*** EHCI support is under development ***
spice_server_char_device_add_interface: CHAR_DEVICE usbredir
spice_server_char_device_add_interface: CHAR_DEVICE usbredir
spice_server_char_device_add_interface: CHAR_DEVICE usbredir
reds_handle_auth_mechanism: Auth method: 1
reds_handle_main_link:
reds_disconnect:
reds_show_new_channel: channel 1:0, connected successfully, over Non Secure link
main_channel_link: add main channel client
reds_handle_main_link: NEW Client 0x7f5ed6e44cb0 mcc 0x7f5ed6e443a0 connect-id 1804289383
main_channel_handle_parsed: net test: latency 0.225000 ms, bitrate 9061946902 bps (8642.146017 Mbps)
reds_handle_auth_mechanism: Auth method: 1
reds_show_new_channel: channel 3:0, connected successfully, over Non Secure link
inputs_connect: inputs channel client create
reds_handle_auth_mechanism: Auth method: 1
reds_show_new_channel: channel 4:0, connected successfully, over Non Secure link
red_dispatcher_set_cursor_peer:
reds_handle_auth_mechanism: Auth method: 1
handle_dev_cursor_connect: cursor connect
red_connect_cursor: add cursor channel client
listen_to_new_client_channel: NEW ID = 0
reds_show_new_channel: channel 2:0, connected successfully, over Non Secure link
red_dispatcher_set_display_peer:
handle_dev_display_connect: connect
handle_new_display_channel: add display channel client
reds_handle_auth_mechanism: Auth method: 1
handle_new_display_channel: New display (client 0x7f5ed6e44cb0) dcc 0x7f5e30602c30 stream 0x7f5ed6e450a0
handle_new_display_channel: jpeg disabled
handle_new_display_channel: zlib-over-glz disabled
listen_to_new_client_channel: NEW ID = 0
reds_show_new_channel: channel 9:0, connected successfully, over Non Secure link
reds_handle_auth_mechanism: Auth method: 1
reds_show_new_channel: channel 9:1, connected successfully, over Non Secure link
kvm: usbredirparser info: Peer version: spice-gtk 0.11

kvm: usbredirparser info: Peer version: spice-gtk 0.11

reds_handle_auth_mechanism: Auth method: 1
reds_show_new_channel: channel 9:2, connected successfully, over Non Secure link
kvm: usbredirparser info: Peer version: spice-gtk 0.11

display_channel_client_wait_for_init: creating encoder with id == 0
spice_server_add_interface: SPICE_INTERFACE_TABLET
handle_dev_set_mouse_mode: mouse mode 2
display_channel_release_item: not pushed (101)
spice_server_remove_interface: remove SPICE_INTERFACE_TABLET
inputs_detach_tablet:
handle_dev_set_mouse_mode: mouse mode 1
red_channel_client_disconnect: 0x7f5e30602c30 (channel 0x7f5e30045920 type 2 id 0)
display_channel_client_on_disconnect:
*********************************************
F17 usbredir enabled VM in spicy session
*********************************************

$ sudo groupadd libvirtd
$ sudo adduser $USER libvirtd
RELOGIN
$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

To start default network :-

sudo virsh net-start default
sudo virsh net-autostart default

Works with QEMU-KVM 1.0 with no special patch

You can now redirect already plugged in devices / un-redirect devices without unplugging them, go to the Input menu and click “Select USB Devices for redirection”.









However , I still have to run “sudo spicy” to get USB redirection on Ubuntu. Otherwhise, following error appears on console :-
“spice-client-glib-usb-helper: Error setting facl: Operation not permitted”

- add USB redirection support, see Hans comments in the log and that
post for details: http://hansdegoede.livejournal.com/11084.html
- introduce SpiceGtkSession to deal with session-wide Gtk events, such
as clipboard, instead of doing it per display
- many cursor and keyboard handling improvements
- handle the new “semi-seamless” migration
- support new Spice mini-headers
- better coroutines: fibers on windows & jmp on linux
- add Vala vapi bindings generation
- many bug fixes and code improvements

Build requires spice-protocol 0.10.1 and the most recent usbredir 0.3.3
******************************************************************************************
Link to PPA Set up Spice-Gtk 0.8 on Ubuntu Precise (v.2)
View also PPA Set up Spice-Gtk 0.8 on Ubuntu Precise (v.3)
******************************************************************************************
$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir61
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-4 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

$ sudo groupadd libvirtd
$ sudo adduser $USER libvirtd
RELOGIN
$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

To start default network :-

sudo virsh net-start default
sudo virsh net-autostart default

Works with QEMU-KVM 1.0 with no special patch

References
1.1.http://www.mail-archive.com/spice-devel@lists.freedesktop.org/msg06659.html

View Build libvirt 0.9.9-1 Build-Depend on libnl-3-dev on Precise
View Build libvirt 0.9.8-2 Build-Depend on libnl-3-dev on Precise
*************************************************************************************
Two options of building patched QEMU-KVM 1.0 are considered bellow.

First one : Qemu-kvm 1.0 has been built based on branch qemu-kvm-1.0-usbredir as of 12/29/2011. It contains all required usb redirection patches on top of QEMU-KVM 1.0 release

Second one : Patching QEMU-KVM 1.0 (core git tree) via extracted patches set to support USB redirection on Ubuntu Precise. Generating patches set via commands
$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ git format-patch -M -C –output-directory \
/tmp/patches 30c044521889195f54a9f2c21310894f545994e8

First option) Qemu-kvm 1.0 has been built based on branch qemu-kvm-1.0-usbredir
as of 12/29/2011. It contains all required usb redirection patches on
top of QEMU-KVM 1.0 release

$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ cd ..
$ cp -R qemu qemu-kvm-1.0-usbredir1

Environment:-
Libusb 1.0.9~rc3 (official version)
Spice 0.10.0
Spice-Gtk-0.7.159
Libvirt 0.9.8
************************************
Setting up system via PPA
************************************
$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir53
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-4 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

For 0.7.159 spice-client-gtk.install updated to accommodate
/usr/bin/spice-client-glib-usb-acl-helper

$ sudo groupadd libvirtd
$ sudo adduser $USER libvirtd
RELOGIN
$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

To start default network :-

sudo virsh net-start default
sudo virsh net-autostart default

*************************************************************************************************
Second option) Patching QEMU-KVM 1.0 (core git tree) via extracted patches set to support USB redirection on Ubuntu Precise
*************************************************************************************************
Patching QEMU-KVM 1.0 (core git tree) via extracted patches set from

http://cgit.freedesktop.org/~jwrdegoede/qemu/log/?h=qemu-kvm-1.0-usbredir

$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ git format-patch -M -C –output-directory \
/tmp/patches 30c044521889195f54a9f2c21310894f545994e8

$ ls /tmp/patches
0001-usb-redir-Clear-iso-irq-error-when-stopping-the-stre.patch
0002-usb-redir-Dynamically-adjust-iso-buffering-size-base.patch
0003-usb-redir-Pre-fill-our-isoc-input-buffer-before-send.patch
0004-usb-redir-Try-to-keep-our-buffer-size-near-the-targe.patch
0005-usb-redir-Improve-some-debugging-messages.patch
0006-char-Split-out-tcp-socket-close-code-in-a-separate-f.patch
0007-char-Add-a-QemuChrHandlers-struct-to-initialise-char.patch
0008-iohandlers-Add-enable-disable_write_fd_handler-funct.patch
0009-char-Add-framework-for-a-write-unblocked-callback.patch
0010-char-Update-send_all-to-handle-nonblocking-chardev-w.patch
0011-char-Equip-the-unix-tcp-backend-to-handle-nonblockin.patch
0012-char-Throttle-when-host-connection-is-down.patch
0013-virtio-console-Enable-port-throttling-when-chardev-i.patch
0014-spice-qemu-char.c-add-throttling.patch
0015-spice-qemu-char.c-remove-intermediate-buffer.patch
0016-usb-redir-Add-flow-control-support.patch
0017-virtio-serial-bus-replay-guest_open-on-migration.patch
0018-char-Disable-write-callback-if-throttled-chardev-is-.patch

Patches set applies to snapshot of git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git
checkout tag qemu-kvm-1.0.
$ git clone git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git
$ cd qemu-kvm
$ git checkout qemu-kvm-1.0 -b work
$ cd ..
$ cp -R qemu-kvm qemu-kvm-1.0-release
The last folder is snapshot for patching during debian build

Environment:-
Libusb 1.0.9~rc3 (official version)
Spice 0.10.0
Spice-Gtk-0.7.159
Libvirt 0.9.8

******************************
Setting up system via PPA
******************************
$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir54
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-4 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk

For 0.7.159 spice-client-gtk.install updated to accommodate
/usr/bin/spice-client-glib-usb-acl-helper

$ sudo groupadd libvirtd
$ sudo adduser $USER libvirtd
RELOGIN
$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

To start default network :-

sudo virsh net-start default
sudo virsh net-autostart default

I was not expecting Qemu&Spice USB redirection to work.
However, it seems to be working.





Snapshot on Server



Snapshot on remote WS

$ git clone git://people.freedesktop.org/~jwrdegoede/qemu
$ cd qemu
$ git checkout -B qemu-kvm-1.0-usbredir origin/qemu-kvm-1.0-usbredir
$ cd ..
$ cp -R qemu qemu-kvm-1.0-usbredir

Intermediate release :-

http://cgit.freedesktop.org/~jwrdegoede/qemu/log/?h=qemu-kvm-1.0-usbredir

clearly demonstrates that all usb redirection patches won’t be in Qemu-kvm 1.0 release

Libusb build is based on libusb-1.0.9-rc3 official package
Qemu-kvm 1.0 debian/rules contains:-

./configure \
–target-list=”x86_64-softmmu i386-softmmu x86_64-linux-user i386-linux-user” \
–prefix=/usr \
–interp-prefix=/etc/qemu-binfmt/%M \
–disable-blobs \
–disable-strip \
–enable-spice \
–enable-usb-redir \
$(conf_arch)

VirtFS support is available.

*****************************************
To install packages from Precise PPA
*****************************************
$ sudo add-apt-repository ppa:bderzhavets/lib-usbredir56
$ sudo apt-get update
$ sudo apt-get install qemu-kvm qemu qemu-common qemu-utils \
spice-client libusb-1.0-0 libusb-1.0-0-dev \
libusbredir libusbredir-dev usbredir-server \
libspice-protocol-dev libspice-server-dev \
libspice-client-glib-2.0-4 libspice-client-glib-2.0-dev \
libspice-client-gtk-2.0-1 libspice-client-gtk-2.0-dev \
libspice-client-gtk-3.0-1 libspice-client-gtk-3.0-dev \
python-spice-client-gtk spice-client-gtk \
gir1.2-spice-client-glib-2.0 \
gir1.2-spice-client-gtk-2.0 \
gir1.2-spice-client-gtk-3.0

$ sudo apt-get install virtinst virt-manager virt-viewer
$ sudo adduser $USER libvirtd
$ sudo ln -s /etc/apparmor.d/usr.sbin.libvirtd /etc/apparmor.d/disable/

Successful install looks like :-

boris@UbuntuPrecise:~$ dpkg -l |grep libspice
ii  libspice-client-glib-2.0-4         0.7.81~4f76-2ubuntu6    GObject for communicating with Spice servers (runtime library)
ii  libspice-client-glib-2.0-dev       0.7.81~4f76-2ubuntu6    GObject for communicating with Spice servers (development files)
ii  libspice-client-gtk-2.0-1          0.7.81~4f76-2ubuntu6    GTK2 widget for SPICE clients (runtime library)
ii  libspice-client-gtk-2.0-dev        0.7.81~4f76-2ubuntu6    GTK2 widget for SPICE clients (development files)
ii  libspice-client-gtk-3.0-1          0.7.81~4f76-2ubuntu6    GTK3 widget for SPICE clients (runtime library)
ii  libspice-client-gtk-3.0-dev        0.7.81~4f76-2ubuntu6    GTK3 widget for SPICE clients (development files)
ii  libspice-protocol-dev              0.10.0-2ubuntu2         SPICE protocol headers
ii  libspice-server-dev                0.10.0-2ubuntu7         Header files and development documentation for spice-server
ii  libspice-server1                   0.10.0-2ubuntu7         Implements the server side of the SPICE protocol

boris@UbuntuPrecise:~$ dpkg -l |grep qemu
ii  qemu                                1.0-usbredir-2ubuntu3   dummy transitional package from qemu to qemu-kvm
ii  qemu-common                         1.0-usbredir-2ubuntu3   qemu common functionality (bios, documentation, etc)
ii  qemu-kvm                            1.0-usbredir-2ubuntu3   Full virtualization on i386 and amd64 hardware

boris@UbuntuPrecise:~$ dpkg -l |grep libvirt
ii  libvirt-bin                         0.9.7-2ubuntu2         programs for the libvirt library
ii  libvirt0                            0.9.7-2ubuntu2         library for interfacing with different virtualization systems
ii  python-libvirt                      0.9.7-2ubuntu2         libvirt Python bindings

boris@boris-System-Product-P5Q3:~$ virsh version
Compiled against library: libvir 0.9.7
Using library: libvir 0.9.7
Using API: QEMU 0.9.7
Running hypervisor: QEMU 0.15.92

Per Hans de Goede – first create file /etc/qemu/ich9-ehci-uhci.cfg

[device "ehci"]
driver = "ich9-usb-ehci1"
addr = "1d.7"
multifunction = "on"

[device "uhci-1"]
driver = "ich9-usb-uhci1"
addr = "1d.0"
multifunction = "on"
masterbus = "ehci.0"
firstport = "0"

[device "uhci-2"]
driver = "ich9-usb-uhci2"
addr = "1d.1"
multifunction = "on"
masterbus = "ehci.0"
firstport = "2"

[device "uhci-3"]
driver = "ich9-usb-uhci3"
addr = "1d.2"
multifunction = "on"
masterbus = "ehci.0"
firstport = "4"

Upgrade version of Libvirt up to 0.9.7 allows to avoid using “qemu” command line (libvirt 0.9.2) and follow http://planet.spice-space.org/ update VM’s XML profile under /etc/libvirt/qemu/ as suggested in second blog entry of Hans de Goede (September 09, 2011):-
Change the first line from: <domain type=’kvm’> to:
<domain type=’kvm’ xmlns:qemu=’http://libvirt.org/schemas/domain/qemu/1.0′&gt;
And add the following lines at the end, above the “</domain>” line:
<qemu:commandline>
<qemu:arg value=’-readconfig’/>
<qemu:arg value=’/etc/qemu/ich9-ehci-uhci.cfg’/>
<qemu:arg value=’-chardev’/>
<qemu:arg value=’spicevmc,name=usbredir,id=usbredirchardev1′/>
<qemu:arg value=’-device’/>
<qemu:arg value=’usb-redir,chardev=usbredirchardev1,id=usbredirdev1,bus=ehci.0,debug=3′/>
<qemu:arg value=’-chardev’/>
<qemu:arg value=’spicevmc,name=usbredir,id=usbredirchardev2′/>
<qemu:arg value=’-device’/>
<qemu:arg value=’usb-redir,chardev=usbredirchardev2,id=usbredirdev2,bus=ehci.0,debug=3′/>
<qemu:arg value=’-chardev’/>
<qemu:arg value=’spicevmc,name=usbredir,id=usbredirchardev3′/>
<qemu:arg value=’-device’/>
<qemu:arg value=’usb-redir,chardev=usbredirchardev3,id=usbredirdev3,bus=ehci.0,debug=3′/>
</qemu:commandline>

Then run :-

# /etc/init.d/libvirt-bin restart







Remote Qemu&Spice USB redirection. WIN7 VM is running on Server. USB pen plugged in workstation located on the same LAN, with Spice-Gtk-0.7.81 installed. Connection installed via spicy running by root.