Index: uspace/lib/libc/generic/async.c
===================================================================
--- uspace/lib/libc/generic/async.c	(revision c4702804e4801803932dbca4eba3ef3e3e820c43)
+++ uspace/lib/libc/generic/async.c	(revision 3f35634cf8784398faec3ed02b32b4a4ffe2033a)
@@ -392,4 +392,18 @@
 	/* If nothing in queue, wait until something arrives */
 	while (list_empty(&conn->msg_queue)) {
+		if (conn->close_callid) {
+			/*
+			 * Handle the case when the connection was already
+			 * closed by the client but the server did not notice
+			 * the first IPC_M_PHONE_HUNGUP call and continues to
+			 * call async_get_call_timeout(). Repeat
+			 * IPC_M_PHONE_HUNGUP until the caller notices. 
+			 */
+			memset(call, 0, sizeof(ipc_call_t));
+			IPC_SET_METHOD(*call, IPC_M_PHONE_HUNGUP);
+			futex_up(&async_futex);
+			return conn->close_callid;
+		}
+
 		if (usecs)
 			async_insert_timeout(&conn->wdata);