To prevent a confusion about missing chardev argument in qemu command line add a note about that behavior into documentation. Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- docs/formatdomain.html.in | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index fb0a0d1..2f2976c 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -5372,6 +5372,10 @@ qemu-kvm -net nic,model=? /dev/null under a channel name specified in the <code>channel</code> attribute. <span class="since">Since 1.2.2</span> </p> + <p> + Note: in order for the spiceport to be usable, the domain must have + spice graphics as well. + </p> <pre> ...