Ceph

     0> 2013-12-16 10:20:36.960655 7f3615311700 -1 osd/ReplicatedPG.cc: In function 'virtual void ReplicatedPG::do_backfill(OpRequestRef)' thread 7f3615311700 time 2013-12-16 10:20:36.958330
osd/ReplicatedPG.cc: 1439: FAILED assert(is_replica())

 ceph version 0.67.4-37-ga447fb7 (a447fb7d04fbad84f9ecb57726396bb6ca29d8f6)
 1: (ReplicatedPG::do_backfill(std::tr1::shared_ptr<OpRequest>)+0xbd5) [0x5d6125]
 2: (PG::do_request(std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x3f0) [0x706c80]
 3: (OSD::dequeue_op(boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest>, ThreadPool::TPHandle&)+0x330) [0x65ae10]
 4: (OSD::OpWQ::_process(boost::intrusive_ptr<PG>, ThreadPool::TPHandle&)+0x4a0) [0x671510]
 5: (ThreadPool::WorkQueueVal<std::pair<boost::intrusive_ptr<PG>, std::tr1::shared_ptr<OpRequest> >, boost::intrusive_ptr<PG> >::_void_process(void*, ThreadPool::TPHandle&)+0x9c) [0x6acb8c]
 6: (ThreadPool::worker(ThreadPool::WorkThread*)+0x4e6) [0x8b4f06]
 7: (ThreadPool::WorkThread::entry()+0x10) [0x8b6d10]
 8: (()+0x7e9a) [0x7f3628415e9a]
 9: (clone()+0x6d) [0x7f36265613fd]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

ubuntu@teuthology:/a/teuthology-2013-12-16_10:06:55-upgrade:upgrade-parallel-next-testing-basic-plana/5077