Ceph

(gdb) bt
#0  0x00007f0f489f8a0b in raise () from /lib/libpthread.so.0
#1  0x000000000059af43 in reraise_fatal (signum=32256) at global/signal_handler.cc:59
#2  0x000000000059b50c in handle_fatal_signal (signum=<value optimized out>) at global/signal_handler.cc:109
#3  <signal handler called>
#4  0x00007f0f471ccba5 in raise () from /lib/libc.so.6
#5  0x00007f0f471d06b0 in abort () from /lib/libc.so.6
#6  0x00007f0f47a706bd in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6
#7  0x00007f0f47a6e906 in ?? () from /usr/lib/libstdc++.so.6
#8  0x00007f0f47a6e933 in std::terminate() () from /usr/lib/libstdc++.so.6
#9  0x00007f0f47a6ea3e in __cxa_throw () from /usr/lib/libstdc++.so.6
#10 0x0000000000581e79 in ceph::buffer::list::iterator::copy (this=0x7f0f44f79d70, len=1852792626, dest=...) at common/buffer.cc:531
#11 0x00000000004f1b6f in decode (this=<value optimized out>) at ./include/encoding.h:172
#12 decode (this=<value optimized out>) at ./common/LogEntry.h:84
#13 LogMonitor::update_from_paxos (this=<value optimized out>) at mon/LogMonitor.cc:126
#14 0x0000000000493df0 in PaxosService::_active (this=0xf81120) at mon/PaxosService.cc:167
#15 0x000000000047af3a in Context::complete (this=0x7e00, r=32270) at ./include/Context.h:41
#16 0x000000000049196a in finish_contexts(CephContext*, std::list<Context*, std::allocator<Context*> >&, int) ()
#17 0x000000000048c545 in Paxos::handle_lease (this=0xfa8b00, lease=0xfe6c80) at mon/Paxos.cc:659
#18 0x000000000049045b in Paxos::dispatch (this=0xfa8b00, m=0xfe6c80) at mon/Paxos.cc:875
#19 0x0000000000478ef4 in Monitor::_ms_dispatch (this=<value optimized out>, m=0xfe6c80) at mon/Monitor.cc:1394
#20 0x000000000048673c in Monitor::ms_dispatch(Message*) ()
#21 0x000000000052fb3a in ms_deliver_dispatch (this=0xf83480) at msg/Messenger.h:103
#22 SimpleMessenger::dispatch_entry (this=0xf83480) at msg/SimpleMessenger.cc:364
#23 0x000000000046027c in SimpleMessenger::DispatchThread::entry (this=0xf838d8) at msg/SimpleMessenger.h:530
#24 0x00007f0f489f0971 in start_thread () from /lib/libpthread.so.0
#25 0x00007f0f4727f92d in clone () from /lib/libc.so.6
#26 0x0000000000000000 in ?? ()

paxosv is 108, but sadly I can't see summary (this is optimized away!), and no data was preserved. the bl is 3839 bytes.