Ceph OSD crash

 ceph version 0.80.9 (b5a67f0e1d15385bc0d60a6da6e7fc810bde6047)
 1: (interval_set<snapid_t>::subtract(interval_set<snapid_t> const&)+0xb0) [0x562a4fa6d050]
 2: (PGPool::update(std::tr1::shared_ptr<OSDMap const>)+0x646) [0x562a4fa42a86]
 3: (PG::handle_advance_map(std::tr1::shared_ptr<OSDMap const>, std::tr1::shared_ptr<OSDMap const>, std::vector<int, std::allocator<int> >&, int, std::vector<int, std::allocator<int> >&, int, PG::RecoveryCtx*)+0x282) [0x562a4fa42e52]
 4: (OSD::advance_pg(unsigned int, PG*, ThreadPool::TPHandle&, PG::RecoveryCtx*, std::set<boost::intrusive_ptr<PG>, std::less<boost::intrusive_ptr<PG> >, std::allocator<boost::intrusive_ptr<PG> > >*)+0x2b4) [0x562a4f926754]
 5: (OSD::process_peering_events(std::list<PG*, std::allocator<PG*> > const&, ThreadPool::TPHandle&)+0x20c) [0x562a4f9272fc]
 6: (OSD::PeeringWQ::_process(std::list<PG*, std::allocator<PG*> > const&, ThreadPool::TPHandle&)+0x18) [0x562a4f96e288]
 7: (ThreadPool::worker(ThreadPool::WorkThread*)+0xae9) [0x562a4fd34889]
 8: (ThreadPool::WorkThread::entry()+0x10) [0x562a4fd35770]
 9: (()+0x8182) [0x7f3ff7fd4182]
 10: (clone()+0x6d) [0x7f3ff674747d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.