JOINED node shutdown hangs

Latest 5.6.15 on Solaris:

2014-02-07 14:07:42 24981 [Note] WSREP: Shifting JOINER -> JOINED (TO: 131754952)
2014-02-07 15:16:31 2a InnoDB: Buffer pool(s) load completed at 140207 15:16:31

At this point the node is JOINED, but still catching up (quite a long way behind). If I try a normal shutdown at this point, it hangs:

2014-02-07 20:49:13 24981 [Note] /mysql/bin/mysqld: Normal shutdown

2014-02-07 20:49:13 24981 [Note] WSREP: Stop replication
2014-02-07 20:49:13 24981 [Note] WSREP: Closing send monitor...
2014-02-07 20:49:13 24981 [Note] WSREP: Closed send monitor.
2014-02-07 20:49:13 24981 [Note] WSREP: gcomm: terminating thread
2014-02-07 20:49:13 24981 [Note] WSREP: gcomm: joining thread
2014-02-07 20:49:13 24981 [Note] WSREP: gcomm: closing backend
2014-02-07 20:49:14 24981 [Note] WSREP: view(view_id(NON_PRIM,0617008d-8fe1-11e3-b107-57639057ed37,8) memb {
        0617008d-8fe1-11e3-b107-57639057ed37,0
} joined {
} left {
} partitioned {
        d4bfdbcf-8f07-11e3-8990-0234c4241646,0
})
2014-02-07 20:49:14 24981 [Note] WSREP: view((empty))
2014-02-07 20:49:14 24981 [Note] WSREP: gcomm: closed
2014-02-07 20:49:14 24981 [Warning] WSREP: 0x1313500 down context(s) not set
2014-02-07 20:49:14 24981 [Warning] WSREP: Failed to send FC_CONT signal: -134 (Transport endpoint is not connected)
2014-02-07 20:49:14 24981 [Note] WSREP: New COMPONENT: primary = no, bootstrap = no, my_idx = 0, memb_num = 1
2014-02-07 20:49:14 24981 [Note] WSREP: Flow-control interval: [16, 16]
2014-02-07 20:49:14 24981 [Note] WSREP: Received NON-PRIMARY.
2014-02-07 20:49:14 24981 [Note] WSREP: Shifting JOINED -> OPEN (TO: 135540936)
2014-02-07 20:49:14 24981 [Note] WSREP: Received self-leave message.
2014-02-07 20:49:14 24981 [Note] WSREP: Flow-control interval: [0, 0]
2014-02-07 20:49:14 24981 [Note] WSREP: Received SELF-LEAVE. Closing connection.
2014-02-07 20:49:14 24981 [Note] WSREP: Shifting OPEN -> CLOSED (TO: 135540936)
2014-02-07 20:49:14 24981 [Note] WSREP: RECV thread exiting 0: Error 0
2014-02-07 20:49:14 24981 [Note] WSREP: recv_thread() joined.
2014-02-07 20:49:14 24981 [Note] WSREP: Closing replication queue.
2014-02-07 20:49:14 24981 [Note] WSREP: Closing slave action queue.
2014-02-07 20:49:14 24981 [Warning] WSREP: Failed to report last committed 132763377, -81 (File descriptor in bad stat
e)
2014-02-07 20:49:16 24981 [Warning] WSREP: Failed to report last committed 132763499, -81 (File descriptor in bad stat
e)
2014-02-07 20:49:18 24981 [Warning] WSREP: Failed to report last committed 132763628, -81 (File descriptor in bad stat
e)
2014-02-07 20:49:19 24981 [Warning] WSREP: Failed to report last committed 132763752, -81 (File descriptor in bad state)
2014-02-07 20:49:21 24981 [Warning] WSREP: Failed to report last committed 132763875, -81 (File descriptor in bad state)
2014-02-07 20:49:23 24981 [Warning] WSREP: Failed to report last committed 132764046, -81 (File descriptor in bad state)
2014-02-07 20:49:23 24981 [Warning] WSREP: Failed to report last committed 132764047, -81 (File descriptor in bad state)
2014-02-07 20:49:25 24981 [Warning] WSREP: Failed to report last committed 132764169, -81 (File descriptor in bad state)
2014-02-07 20:49:27 24981 [Warning] WSREP: Failed to report last committed 132764294, -81 (File descriptor in bad state)
2014-02-07 20:49:28 24981 [Warning] WSREP: Failed to report last committed 132764419, -81 (File descriptor in bad state)
2014-02-07 20:49:30 24981 [Warning] WSREP: Failed to report last committed 132764538, -81 (File descriptor in bad state)