-2> 2018-03-15 15:17:33.201453 7f51b43bd700  0 mon.mon01@0(leader).osd e196766 moving crush item name '408' to location {rack=rack01}
    -1> 2018-03-15 15:17:33.203484 7f51b8a66700  5 -- 130.246.154.2:6789/0 >> 130.246.154.4:6789/0 conn(0x55f6cba26000 :-1 s=STATE_OPEN_MESSAGE_READ_FOOTER_AND_DISPATCH pgs=4140877 cs=1 l=0). rx mon.2 seq 404
299016 0x55f6cdcf0300 forward(log(1 entries from seq 1235 at 2018-03-15 15:17:33.203233) v1 caps allow * tid 19028 con_features 2305244844532236283) v3
     0> 2018-03-15 15:17:33.207977 7f51b43bd700 -1 *** Caught signal (Segmentation fault) **
 in thread 7f51b43bd700 thread_name:ms_dispatch

 ceph version 12.2.4 (52085d5249a80c5f5121a76d6288429f35e4e77b) luminous (stable)
 1: (()+0x8f59b1) [0x55f6c06079b1]
 2: (()+0xf5e0) [0x7f51c001c5e0]
 3: (CrushWrapper::device_class_clone(int, int, std::map<int, std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >, std::less<int>, std::allocator<std::pair<int const, std::map<int,
 int, std::less<int>, std::allocator<std::pair<int const, int> > > > > > const&, std::set<int, std::less<int>, std::allocator<int> > const&, int*, std::map<int, std::map<int, std::vector<int, std::allocator<i
nt> >, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > >, std::less<int>, std::allocator<std::pair<int const, std::map<int, std::vector<int, std::allocator<int>
>, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > > > > >*)+0xa87) [0x55f6c057fb27]
 4: (CrushWrapper::device_class_clone(int, int, std::map<int, std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >, std::less<int>, std::allocator<std::pair<int const, std::map<int,
 int, std::less<int>, std::allocator<std::pair<int const, int> > > > > > const&, std::set<int, std::less<int>, std::allocator<int> > const&, int*, std::map<int, std::map<int, std::vector<int, std::allocator<i
nt> >, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > >, std::less<int>, std::allocator<std::pair<int const, std::map<int, std::vector<int, std::allocator<int>
>, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > > > > >*)+0x305) [0x55f6c057f3a5]
 5: (CrushWrapper::device_class_clone(int, int, std::map<int, std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >, std::less<int>, std::allocator<std::pair<int const, std::map<int,
 int, std::less<int>, std::allocator<std::pair<int const, int> > > > > > const&, std::set<int, std::less<int>, std::allocator<int> > const&, int*, std::map<int, std::map<int, std::vector<int, std::allocator<i
nt> >, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > >, std::less<int>, std::allocator<std::pair<int const, std::map<int, std::vector<int, std::allocator<int>
>, std::less<int>, std::allocator<std::pair<int const, std::vector<int, std::allocator<int> > > > > > > >*)+0x305) [0x55f6c057f3a5]
 6: (CrushWrapper::populate_classes(std::map<int, std::map<int, int, std::less<int>, std::allocator<std::pair<int const, int> > >, std::less<int>, std::allocator<std::pair<int const, std::map<int, int, std::l
ess<int>, std::allocator<std::pair<int const, int> > > > > > const&)+0x1cf) [0x55f6c058012f]
 7: (CrushWrapper::rebuild_roots_with_classes()+0xfe) [0x55f6c05802de]
 8: (CrushWrapper::insert_item(CephContext*, int, float, std::string, std::map<std::string, std::string, std::less<std::string>, std::allocator<std::pair<std::string const, std::string> > > const&)+0x7af) [0x
55f6c058203f]
 9: (CrushWrapper::move_bucket(CephContext*, int, std::map<std::string, std::string, std::less<std::string>, std::allocator<std::pair<std::string const, std::string> > > const&)+0xc1) [0x55f6c0582b41]
 10: (OSDMonitor::prepare_command_impl(boost::intrusive_ptr<MonOpRequest>, std::map<std::string, boost::variant<std::string, bool, long, double, std::vector<std::string, std::allocator<std::string> >, std::ve
ctor<long, std::allocator<long> >, std::vector<double, std::allocator<double> > >, std::less<std::string>, std::allocator<std::pair<std::string const, boost::variant<std::string, bool, long, double, std::vect
or<std::string, std::allocator<std::string> >, std::vector<long, std::allocator<long> >, std::vector<double, std::allocator<double> > > > > >&)+0x4eee) [0x55f6c024a72e]
 11: (OSDMonitor::prepare_command(boost::intrusive_ptr<MonOpRequest>)+0x647) [0x55f6c0265807]
 12: (OSDMonitor::prepare_update(boost::intrusive_ptr<MonOpRequest>)+0x39e) [0x55f6c0265f6e]
 13: (PaxosService::dispatch(boost::intrusive_ptr<MonOpRequest>)+0xaf8) [0x55f6c01f26a8]
 14: (Monitor::handle_command(boost::intrusive_ptr<MonOpRequest>)+0x1d3e) [0x55f6c00cd75e]
 15: (Monitor::dispatch_op(boost::intrusive_ptr<MonOpRequest>)+0x919) [0x55f6c00d3009]
 16: (Monitor::_ms_dispatch(Message*)+0x7eb) [0x55f6c00d428b]
 17: (Monitor::handle_forward(boost::intrusive_ptr<MonOpRequest>)+0xa8d) [0x55f6c00d5b9d]
 18: (Monitor::dispatch_op(boost::intrusive_ptr<MonOpRequest>)+0xdbd) [0x55f6c00d34ad]
 19: (Monitor::_ms_dispatch(Message*)+0x7eb) [0x55f6c00d428b]
 20: (Monitor::ms_dispatch(Message*)+0x23) [0x55f6c01003f3]
 21: (DispatchQueue::entry()+0x792) [0x55f6c05b2d92]
 22: (DispatchQueue::DispatchThread::entry()+0xd) [0x55f6c03aa7fd]
 23: (()+0x7e25) [0x7f51c0014e25]
 24: (clone()+0x6d) [0x7f51bd18c34d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- logging levels ---
   0/ 5 none
   0/ 1 lockdep
   0/ 1 context
   1/ 1 crush
   1/ 5 mds
   1/ 5 mds_balancer
   1/ 5 mds_locker
   1/ 5 mds_log
   1/ 5 mds_log_expire
   1/ 5 mds_migrator
   0/ 1 buffer
   0/ 1 timer
   0/ 1 filer
   0/ 1 striper
   0/ 1 objecter
   0/ 5 rados
   0/ 5 rbd
   0/ 5 rbd_mirror
   0/ 5 rbd_replay
   0/ 5 journaler
   0/ 5 objectcacher
   0/ 5 client
   1/ 5 osd
   0/ 5 optracker
   0/ 5 objclass
   1/ 3 filestore
   1/ 3 journal
   0/ 5 ms
   1/ 5 mon
   0/10 monc
   1/ 5 paxos
   0/ 5 tp
   1/ 5 auth
   1/ 5 crypto
   1/ 1 finisher
   1/ 1 reserver
   1/ 5 heartbeatmap
   1/ 5 perfcounter
   1/ 5 rgw
   1/10 civetweb
   1/ 5 javaclient
   1/ 5 asok
   1/ 1 throttle
   0/ 0 refs
   1/ 5 xio
   1/ 5 compressor
   1/ 5 bluestore
   1/ 5 bluefs
   1/ 3 bdev
   1/ 5 kstore
   4/ 5 rocksdb
   4/ 5 leveldb
   4/ 5 memdb
   1/ 5 kinetic
   1/ 5 fuse
   1/ 5 mgr
   1/ 5 mgrc
   1/ 5 dpdk
   1/ 5 eventtrace
  -2/-2 (syslog threshold)
  -1/-1 (stderr threshold)
  max_recent     10000
  max_new         1000
  log_file /var/log/ceph/ceph-mon.mon01.log
--- end dump of recent events ---