Hi All: I met this crash once. You can download the full log here. https://dl.dropbox.com/u/35107741/ceph-mon.log ceph version 0.48.2argonaut (commit:3e02b2fad88c2a95d9c0c86878f10d1beb780bfe) 1: /usr/bin/ceph-mon() [0x52569a] 2: (()+0xfcb0) [0x7ffad0949cb0] 3: (gsignal()+0x35) [0x7ffacf725425] 4: (abort()+0x17b) [0x7ffacf728b8b] 5: (__gnu_cxx::__verbose_terminate_handler()+0x11d) [0x7ffad007769d] 6: (()+0xb5846) [0x7ffad0075846] 7: (()+0xb5873) [0x7ffad0075873] 8: (()+0xb596e) [0x7ffad007596e] 9: (ceph::__ceph_assert_fail(char const*, char const*, int, char const*)+0x1de) [0x5deb9e] 10: (PaxosService::propose_pending()+0x2e1) [0x4965b1] 11: (SafeTimer::timer_thread()+0x407) [0x5d6897] 12: (SafeTimerThread::entry()+0xd) [0x5d740d] 13: (()+0x7e9a) [0x7ffad0941e9a] 14: (clone()+0x6d) [0x7ffacf7e2cbd] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html