> ./mongod --upgrade --replSet mySet --oplogSize 1024
2014-09-24T16:58:03.233-0400 I -        [initandlisten] MongoDB starting : pid=20413 port=27017 dbpath=/data/db 64-bit host=ubuntu
2014-09-24T16:58:03.234-0400 I -        [initandlisten] _DEBUG build (which is slower)
2014-09-24T16:58:03.234-0400 I -        [initandlisten] 
2014-09-24T16:58:03.234-0400 I -        [initandlisten] ** NOTE: This is a development version (2.7.6) of MongoDB.
2014-09-24T16:58:03.234-0400 I -        [initandlisten] **       Not recommended for production.
2014-09-24T16:58:03.234-0400 I -        [initandlisten] 
2014-09-24T16:58:03.234-0400 I -        [initandlisten] ** WARNING: You are running on a NUMA machine.
2014-09-24T16:58:03.234-0400 I -        [initandlisten] **          We suggest launching mongod like this to avoid performance problems:
2014-09-24T16:58:03.234-0400 I -        [initandlisten] **              numactl --interleave=all mongod [other options]
2014-09-24T16:58:03.234-0400 I -        [initandlisten] 
2014-09-24T16:58:03.234-0400 I -        [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2014-09-24T16:58:03.234-0400 I -        [initandlisten] **        We suggest setting it to 'never'
2014-09-24T16:58:03.234-0400 I -        [initandlisten] 
2014-09-24T16:58:03.234-0400 I -        [initandlisten] db version v2.7.6
2014-09-24T16:58:03.235-0400 I -        [initandlisten] git version: a8828ca2f6d50eb9f183e3bc5d317a7e356083c7
2014-09-24T16:58:03.235-0400 I -        [initandlisten] OpenSSL version: OpenSSL 1.0.1 14 Mar 2012
2014-09-24T16:58:03.235-0400 I -        [initandlisten] build info: Linux ubuntu 3.13.0-35-generic #62~precise1-Ubuntu SMP Mon Aug 18 14:52:04 UTC 2014 x86_64 BOOST_LIB_VERSION=1_56
2014-09-24T16:58:03.235-0400 I -        [initandlisten] allocator: tcmalloc
2014-09-24T16:58:03.235-0400 I -        [initandlisten] options: { replication: { oplogSizeMB: 1024, replSet: "mySet" }, upgrade: true }
2014-09-24T16:58:03.254-0400 I JOURNAL  [initandlisten] journal dir=/data/db/journal
2014-09-24T16:58:03.254-0400 I JOURNAL  [initandlisten] recover begin
2014-09-24T16:58:03.254-0400 I JOURNAL  [initandlisten] info no lsn file in journal/ directory
2014-09-24T16:58:03.254-0400 I JOURNAL  [initandlisten] recover lsn: 0
2014-09-24T16:58:03.254-0400 I JOURNAL  [initandlisten] recover /data/db/journal/j._0
2014-09-24T16:58:03.255-0400 I JOURNAL  [initandlisten] Ending processFileBuffer at differing fileId want:4309420326219100146 got:15657314518909005299
2014-09-24T16:58:03.255-0400 I JOURNAL  [initandlisten]   sect len:1038 seqnum:0
2014-09-24T16:58:03.255-0400 I JOURNAL  [initandlisten] recover cleaning up
2014-09-24T16:58:03.255-0400 I JOURNAL  [initandlisten] removeJournalFiles
2014-09-24T16:58:03.296-0400 I JOURNAL  [initandlisten] recover done
2014-09-24T16:58:03.296-0400 I JOURNAL  [initandlisten] preallocating a journal file /data/db/journal/prealloc.0
2014-09-24T16:58:03.956-0400 I STORAGE  [initandlisten] opening db: test
2014-09-24T16:58:03.968-0400 I STORAGE  [initandlisten] opening db: admin
2014-09-24T16:58:03.978-0400 I STORAGE  [initandlisten] opening db: local
2014-09-24T16:58:03.988-0400 I STORAGE  [initandlisten] finished checking dbs
mongod: src/third_party/boost-1.56.0/boost/smart_ptr/scoped_ptr.hpp:99: T* boost::scoped_ptr<T>::operator->() const [with T = boost::thread]: Assertion `px != 0' failed.
2014-09-24T16:58:04.002-0400 F -        [initandlisten] Got signal: 6 (Aborted).

 0x1dec5f2 0x1debb87 0x1debc1c 0x7f259d5c2150 0x7f259d5c20d5 0x7f259d5c583b 0x7f259d5bad9e 0x7f259d5bae42 0x199f23f 0x1a0996f 0x1a063d0 0x17c5781 0x13bb8d9 0x13bbd4c 0x13bd019 0x13bc05f 0x7f259d5ad76d 0x13b9089
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"400000","o":"19EC5F2"},{"b":"400000","o":"19EBB87"},{"b":"400000","o":"19EBC1C"},{"b":"7F259D58C000","o":"36150"},{"b":"7F259D58C000","o":"360D5"},{"b":"7F259D58C000","o":"3983B"},{"b":"7F259D58C000","o":"2ED9E"},{"b":"7F259D58C000","o":"2EE42"},{"b":"400000","o":"159F23F"},{"b":"400000","o":"160996F"},{"b":"400000","o":"16063D0"},{"b":"400000","o":"13C5781"},{"b":"400000","o":"FBB8D9"},{"b":"400000","o":"FBBD4C"},{"b":"400000","o":"FBD019"},{"b":"400000","o":"FBC05F"},{"b":"7F259D58C000","o":"2176D"},{"b":"400000","o":"FB9089"}],"processInfo":{ "mongodbVersion" : "2.7.6", "gitVersion" : "a8828ca2f6d50eb9f183e3bc5d317a7e356083c7", "uname" : { "sysname" : "Linux", "release" : "3.13.0-35-generic", "version" : "#62~precise1-Ubuntu SMP Mon Aug 18 14:52:04 UTC 2014", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "DB75160A809F116A7C949B13A2530E9A96512A3B" }, { "b" : "7FFF9A2A8000", "elfType" : 3, "buildId" : "392CD1376FBB587C2CAC343245E09722F687D67C" }, { "b" : "7F259EBA2000", "path" : "/lib/x86_64-linux-gnu/libpthread.so.0", "elfType" : 3, "buildId" : "C340AF9DEE97C17C730F7D03693286C5194A46B8" }, { "b" : "7F259E944000", "path" : "/lib/x86_64-linux-gnu/libssl.so.1.0.0", "elfType" : 3, "buildId" : "73FB5D3902679C4018AD92457B73F92C2F6B9C30" }, { "b" : "7F259E569000", "path" : "/lib/x86_64-linux-gnu/libcrypto.so.1.0.0", "elfType" : 3, "buildId" : "958CBDCD514DFBE79DBDC086E10100F3B6B56A49" }, { "b" : "7F259E361000", "path" : "/lib/x86_64-linux-gnu/librt.so.1", "elfType" : 3, "buildId" : "352C5B373A50E6C4AB881A5DB6F5766FDF81EEE0" }, { "b" : "7F259E15D000", "path" : "/lib/x86_64-linux-gnu/libdl.so.2", "elfType" : 3, "buildId" : "D181AF551DBBC43E9D55913D532635FDE18E7C4E" }, { "b" : "7F259DE5D000", "path" : "/usr/lib/x86_64-linux-gnu/libstdc++.so.6", "elfType" : 3, "buildId" : "B534DA725D06A04267EB2FEB92B9CC14C838B57B" }, { "b" : "7F259DB61000", "path" : "/lib/x86_64-linux-gnu/libm.so.6", "elfType" : 3, "buildId" : "817AA99B3DD02501F8BC04A3E9A9358A08F20D7D" }, { "b" : "7F259D94B000", "path" : "/lib/x86_64-linux-gnu/libgcc_s.so.1", "elfType" : 3, "buildId" : "ECF322A96E26633C5D10F18215170DD4395AF82C" }, { "b" : "7F259D58C000", "path" : "/lib/x86_64-linux-gnu/libc.so.6", "elfType" : 3, "buildId" : "E7863FF2EA3F4B5C6FF90689ADE4D6B5F3A78020" }, { "b" : "7F259EDBF000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "E25AD1A11CCF57E734116B8EC9C69F643DCA9F18" }, { "b" : "7F259D375000", "path" : "/lib/x86_64-linux-gnu/libz.so.1", "elfType" : 3, "buildId" : "F695ECFCF3918D5D34989398A14B7ECDD9F46CD0" } ] }}
 mongod(_ZN5mongo15printStackTraceERSo+0x27) [0x1dec5f2]
 mongod(+0x19EBB87) [0x1debb87]
 mongod(+0x19EBC1C) [0x1debc1c]
 libc.so.6(+0x36150) [0x7f259d5c2150]
 libc.so.6(gsignal+0x35) [0x7f259d5c20d5]
 libc.so.6(abort+0x17B) [0x7f259d5c583b]
 libc.so.6(+0x2ED9E) [0x7f259d5bad9e]
 libc.so.6(+0x2EE42) [0x7f259d5bae42]
 mongod(_ZNK5boost10scoped_ptrINS_6threadEEptEv+0x37) [0x199f23f]
 mongod(_ZN5mongo4repl26ReplicationCoordinatorImpl8shutdownEv+0x135) [0x1a0996f]
 mongod(_ZN5mongo4repl28HybridReplicationCoordinator8shutdownEv+0x2E) [0x1a063d0]
 mongod(_ZN5mongo11exitCleanlyENS_8ExitCodeEPNS_16OperationContextE+0x76) [0x17c5781]
 mongod(+0xFBB8D9) [0x13bb8d9]
 mongod(_ZN5mongo13initAndListenEi+0x1F) [0x13bbd4c]
 mongod(+0xFBD019) [0x13bd019]
 mongod(main+0x28) [0x13bc05f]
 libc.so.6(__libc_start_main+0xED) [0x7f259d5ad76d]
 mongod(+0xFB9089) [0x13b9089]
-----  END BACKTRACE  -----