Xspice isn't very useful without the TCP connection possibility. When the port is busy: $ Xspice --disable-ticketing --xsession /usr/bin/gnome-terminal :0 --port 5900 ... (/usr/bin/Xspice:6677): Spice-Warning **: reds.c:3037:reds_init_socket: reds_init_socket: binding socket to :5900 failed ... If the port was explicitly requested, failure to bind should be prominently displayed, and preferably result in a termination of Xspice. xorg-x11-server-Xspice-0.1.1-0.8.20130514git77a1594.fc19.x86_64
qemu bug about the same: https://bugzilla.redhat.com/show_bug.cgi?id=682227
posted: http://lists.freedesktop.org/archives/spice-devel/2014-November/017803.html
commit 97c7c183d7d8585d93eab4f13645acb2d47ca763 Author: Marc-André Lureau <marcandre.lureau@redhat.com> Date: Mon Nov 3 01:14:48 2014 +0100 Xspice: fail if server can't be initialized
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