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Description of problem:

When the client doesn't disconnect explicitly from the server, e.g., when a Windows client with an open spice-client session moves to Sleep mode,
spice server doesn't identify that the client disconnected.
The implication is that the server keeps trying to send messages to the client,  the driver commands ring can get filled (since we don't manage to send messages to the client), and the display driver on the guest side is stuck (WaitForCmdRing).



How reproducible:
1) Connect to spice-server
2) move the client to sleep mode (maybe disconnecting the network cable will also work)

You can see in the server log file, that the client hasn't been disconnected.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-1435.html