On fatal errors the gss-proxy kills the connection as a signal to the client to reset the state. Unfortunately in concurrent cases the in one of the threads the client may get stuck on a request instead of reporting an error.
Discovered testing the fix for #82 with cli_srv_comm test.
fixed in 4d95d30
Metadata Update from @simo: - Issue assigned to simo - Issue set to the milestone: 2013 May