Ceph

#0 0x00007fb9b32b5b7b in raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:42
#1 0x000000000052e40c in reraise_fatal (signum=6) at global/signal_handler.cc:58
#2 handle_fatal_signal (signum=6) at global/signal_handler.cc:104
#3 <signal handler called>
#4 0x00007fb9b19aa445 in _GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#5 0x00007fb9b19adbab in __GI_abort () at abort.c:91
#6 0x00007fb9b22f869d in __gnu_cxx::_verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7 0x00007fb9b22f6846 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#8 0x00007fb9b22f6873 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9 0x00007fb9b22f696e in _cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00000000005e5052 in ceph::_ceph_assert_fail (assertion=0x63d150 "begin->last_committed == last_committed", file=<optimized out>, line=426, func=0x63d760 "void Paxos::handle_begin(MMonPaxos*)") at common/assert.cc:77
#11 0x000000000049a46c in Paxos::handle_begin (this=0x1fafc80, begin=0x1fc9c80) at mon/Paxos.cc:426
#12 0x000000000049e54b in Paxos::dispatch (this=0x1fafc80, m=0x1fc9c80) at mon/Paxos.cc:882
#13 0x0000000000487c00 in Monitor::_ms_dispatch (this=0x1fab800, m=0x1fc9c80) at mon/Monitor.cc:1748
#14 0x00000000004955e2 in Monitor::ms_dispatch (this=0x1fab800, m=0x1fc9c80) at mon/Monitor.h:392
#15 0x00000000005c7b8b in ms_deliver_dispatch (m=0x1fc9c80, this=0x1f98680) at msg/Messenger.h:504
#16 SimpleMessenger::dispatch_entry (this=0x1f98680) at msg/SimpleMessenger.cc:363
#17 0x000000000059940d in SimpleMessenger::DispatchThread::entry (this=<optimized out>) at msg/SimpleMessenger.h:771
#18 0x00007fb9b32ade9a in start_thread (arg=0x7fb9ae754700) at pthread_create.c:308
#19 0x00007fb9b1a664bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

yaml:
interactive-on-error: true
overrides:
ceph:
conf:
global:
ms inject socket failures: 5000
client:

1. debug ms: 20
   debug objecter: 20
   debug objectcacher: 20
   osd:
   debug ms: 1
   debug osd: 20
   debug filestore: 20
   fs: btrfs
   log-whitelist:
   - slow request
   branch: master
   roles:
   - - mon.a
   - mon.c
   - osd.0
   - osd.1
   - osd.2
   - - mon.b
   - mds.a
   - osd.3
   - osd.4
   - osd.5
   - client.0
   tasks:
   - ceph: null
   - ceph-fuse: null
   - workunit:
   clients:
   all:
   - suites/blogbench.sh