Ceph osd crash

2013-05-31 17:43:05.235286 7fbb531e9780 -1 *** Caught signal (Aborted) **
 in thread 7fbb531e9780

 ceph version 0.61.2 (fea782543a844bb277ae94d3391788b76c5bee60)
 1: /usr/bin/ceph-osd() [0x79087a]
 2: (()+0xfcb0) [0x7fbb52682cb0]
 3: (gsignal()+0x35) [0x7fbb50e3b425]
 4: (abort()+0x17b) [0x7fbb50e3eb8b]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7fbb5178d69d]
 6: (()+0xb5846) [0x7fbb5178b846]
 7: (()+0xb5873) [0x7fbb5178b873]
 8: (()+0xb596e) [0x7fbb5178b96e]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x1df) [0x84001f]
 10: (PG::peek_map_epoch(ObjectStore*, coll_t, hobject_t&, ceph::buffer::list*)+0x4d7) [0x6b6627]
 11: (OSD::load_pgs()+0x17f3) [0x63f803]
 12: (OSD::init()+0xf9d) [0x641e4d]
 13: (main()+0x2351) [0x574831]
 14: (__libc_start_main()+0xed) [0x7fbb50e2676d]
 15: /usr/bin/ceph-osd() [0x576edd]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

--- begin dump of recent events ---
     0> 2013-05-31 17:43:05.235286 7fbb531e9780 -1 *** Caught signal (Aborted) **
 in thread 7fbb531e9780

 ceph version 0.61.2 (fea782543a844bb277ae94d3391788b76c5bee60)
 1: /usr/bin/ceph-osd() [0x79087a]
 2: (()+0xfcb0) [0x7fbb52682cb0]
 3: (gsignal()+0x35) [0x7fbb50e3b425]
 4: (abort()+0x17b) [0x7fbb50e3eb8b]
 5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7fbb5178d69d]
 6: (()+0xb5846) [0x7fbb5178b846]
 7: (()+0xb5873) [0x7fbb5178b873]
 8: (()+0xb596e) [0x7fbb5178b96e]
 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x1df) [0x84001f]
 10: (PG::peek_map_epoch(ObjectStore*, coll_t, hobject_t&, ceph::buffer::list*)+0x4d7) [0x6b6627]
 11: (OSD::load_pgs()+0x17f3) [0x63f803]
 12: (OSD::init()+0xf9d) [0x641e4d]
 13: (main()+0x2351) [0x574831]
 14: (__libc_start_main()+0xed) [0x7fbb50e2676d]
 15: /usr/bin/ceph-osd() [0x576edd]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.