--- begin dump of recent events ---
     0> 2013-03-27 14:05:19.652189 7f3e3ffff700 -1 *** Caught signal (Aborted) **
 in thread 7f3e3ffff700

 ceph version 0.59 (cbae6a435c62899f857775f66659de052fb0e759)
 1: /usr/bin/ceph-mon() [0x58233d]
 2: (()+0xf7c0) [0x7f3e4a01a7c0]
 3: (gsignal()+0x35) [0x7f3e4894bb35]
 4: (abort()+0x181) [0x7f3e4894d111]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7f3e491dde4d]
 6: (()+0xbcff6) [0x7f3e491dbff6]
 7: (()+0xbd023) [0x7f3e491dc023]
 8: (()+0xbd11e) [0x7f3e491dc11e]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x823) [0x5a7913]
 10: /usr/bin/ceph-mon() [0x57b4fd]
 11: (AuthMonitor::prep_auth(MAuth*, bool)+0x937) [0x55ee67]
 12: (AuthMonitor::preprocess_query(PaxosServiceMessage*)+0xad) [0x56109d]
 13: (PaxosService::dispatch(PaxosServiceMessage*)+0x514) [0x4dc214]
 14: (Context::complete(int)+0xa) [0x4b115a]
 15: (finish_contexts(CephContext*, std::list<Context*, std::allocator<Context*> >&, int)+0x120) [0x4ca1a0]
 16: (Paxos::handle_accept(MMonPaxos*)+0x42a) [0x4d4a1a]
 17: (Paxos::dispatch(PaxosServiceMessage*)+0x28b) [0x4d7bab]
 18: (Monitor::_ms_dispatch(Message*)+0x13e6) [0x4b00e6]
 19: (Monitor::ms_dispatch(Message*)+0x22) [0x4cad02]
 20: (DispatchQueue::entry()+0x2c9) [0x6a72d9]
 21: (DispatchQueue::DispatchThread::entry()+0xd) [0x631b3d]
 22: (()+0x77b6) [0x7f3e4a0127b6]
 23: (clone()+0x6d) [0x7f3e489f2c5d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.