Ceph

I was trying to run this command at the time:

ceph mds tell '*' injectargs '--debug_mds 10/10'

But mistakenly put:

ceph mds tell * injectargs '--debug_mds 10/10'

which turned into:

ceph mds tell 120_status 4242.pcap <lots of stuff> injectargs '--debug_mds 10/10'

giving this output:

2013-05-10 10:29:26.492939 7fe0a1373700  0 -- :/5660 >> 10.252.24.25:6789/0 pipe(0x2860540 sd=7 :0 s=1 pgs=0 cs=0 l=1)?
.fault                                                                                                                ?
mds.120 no up   

    -8> 2013-05-10 10:29:02.848870 7f0cfbea3700  1 -- 10.252.24.25:6789/0 <== client.? 10.252.24.30:0/5021 4 ==== mon_subscribe({monmap=0+}) v2 ==== 23+0+0 (1620593354 0 0) 0x34c4540 con 0x3957420
    -7> 2013-05-10 10:29:02.848891 7f0cfbea3700 10 mon.hotcpc9039@0(leader) e3 handle_subscribe mon_subscribe({monmap=0+}) v2
    -6> 2013-05-10 10:29:02.848898 7f0cfbea3700 10 mon.hotcpc9039@0(leader) e3 check_sub monmap next 0 have 3
    -5> 2013-05-10 10:29:02.848902 7f0cfbea3700  1 -- 10.252.24.25:6789/0 --> 10.252.24.30:0/5021 -- mon_map v1 -- ?+0 0x36a9400 con 0x3957420
    -4> 2013-05-10 10:29:02.848909 7f0cfbea3700  1 -- 10.252.24.25:6789/0 --> client.? 10.252.24.30:0/5021 -- mon_subscribe_ack(300s) v1 -- ?+0 0x38c5000
    -3> 2013-05-10 10:29:02.848916 7f0cfbea3700  1 -- 10.252.24.25:6789/0 <== client.? 10.252.24.30:0/5021 5 ==== mon_command(mds tell v 0) v1 ==== 53+0+0 (1792923729 0 0) 0x35ed000 con 0x3957420
    -2> 2013-05-10 10:29:02.848923 7f0cfbea3700  0 mon.hotcpc9039@0(leader) e3 handle_command mon_command(mds tell v 0) v1
    -1> 2013-05-10 10:29:02.849138 7f0cfbea3700 10 mon.hotcpc9039@0(leader).mds e707 preprocess_query mon_command(mds tell v 0) v1 from client.? 10.252.24.30:0/5021
     0> 2013-05-10 10:29:03.640085 7f0cfbea3700 -1 *** Caught signal (Segmentation fault) **
 in thread 7f0cfbea3700

 ceph version 0.61 (237f3f1e8d8c3b85666529860285dcdffdeda4c5)
 1: /usr/bin/ceph-mon() [0x594609]
 2: (()+0xeff0) [0x7f0d019bbff0]
 3: (Monitor::send_command(entity_inst_t const&, std::vector<std::string, std::allocator<std::string> > const&, unsigned long)+0x179) [0x49c5f9]
 4: (MDSMonitor::preprocess_command(MMonCommand*)+0xe0b) [0x51d8db]
 5: (MDSMonitor::preprocess_query(PaxosServiceMessage*)+0x233) [0x5236a3]
 6: (PaxosService::dispatch(PaxosServiceMessage*)+0x57c) [0x4e0d8c]
 7: (Monitor::handle_command(MMonCommand*)+0x3db) [0x4a773b]
 8: (Monitor::_ms_dispatch(Message*)+0xd49) [0x4b4889]
 9: (Monitor::ms_dispatch(Message*)+0x32) [0x4cd572]
 10: (DispatchQueue::entry()+0x3f1) [0x6a58d1]
 11: (DispatchQueue::DispatchThread::entry()+0xd) [0x6a10cd]
 12: (()+0x68ca) [0x7f0d019b38ca]
 13: (clone()+0x6d) [0x7f0d006aa86d]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.