root@nut:~# service ceph restart mon
=== mon.a ===
=== mon.a ===
Stopping Ceph mon.a on nut...done
=== mon.a ===
Starting Ceph mon.a on nut...
*** Caught signal (Segmentation fault) **
 in thread 7f41ce40d780
2013-05-03 09:01:34.789829 7f41ce40d780 -1 compacting monitor store ...
 ceph version 0.60-803-g7544e86 (7544e8663225903703e1d30baa8a7cbfcf771e1a)
 1: /usr/bin/ceph-mon() [0x596faa]
 2: (()+0xfcb0) [0x7f41cdfeccb0]
 3: (main()+0xda2) [0x48bba2]
 4: (__libc_start_main()+0xed) [0x7f41cc4c276d]
 5: /usr/bin/ceph-mon() [0x48eb1d]
2013-05-03 09:01:34.790367 7f41ce40d780 -1 *** Caught signal (Segmentation fault) **
 in thread 7f41ce40d780

 ceph version 0.60-803-g7544e86 (7544e8663225903703e1d30baa8a7cbfcf771e1a)
 1: /usr/bin/ceph-mon() [0x596faa]
 2: (()+0xfcb0) [0x7f41cdfeccb0]
 3: (main()+0xda2) [0x48bba2]
 4: (__libc_start_main()+0xed) [0x7f41cc4c276d]
 5: /usr/bin/ceph-mon() [0x48eb1d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

    -1> 2013-05-03 09:01:34.789829 7f41ce40d780 -1 compacting monitor store ...
     0> 2013-05-03 09:01:34.790367 7f41ce40d780 -1 *** Caught signal (Segmentation fault) **
 in thread 7f41ce40d780

 ceph version 0.60-803-g7544e86 (7544e8663225903703e1d30baa8a7cbfcf771e1a)
 1: /usr/bin/ceph-mon() [0x596faa]
 2: (()+0xfcb0) [0x7f41cdfeccb0]
 3: (main()+0xda2) [0x48bba2]
 4: (__libc_start_main()+0xed) [0x7f41cc4c276d]
 5: /usr/bin/ceph-mon() [0x48eb1d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

bash: line 1:  3202 Segmentation fault      (core dumped) /usr/bin/ceph-mon -i a --pid-file /var/run/ceph/mon.a.pid -c /etc/ceph/ceph.conf
failed: 'ulimit -n 8192;  /usr/bin/ceph-mon -i a --pid-file /var/run/ceph/mon.a.pid -c /etc/ceph/ceph.conf '
Starting ceph-create-keys on nut...