2015-11-23T18:45:12.809 0000 d20013| 2015-11-23T18:45:12.740 0000 I -        [conn86] Invariant failure iter != _lockMap.end() src/mongo/s/catalog/legacy/legacy_dist_lock_manager.cpp 182
 2015-11-23T18:45:12.809 0000 d20013| 2015-11-23T18:45:12.740 0000 I -        [conn86]
 ...
 2015-11-23T18:45:12.811 0000 d20013|  0x137f942 0x137e889 0x137f092 0x3aa100f790 0x3aa0c32625 0x3aa0c33e05 0x130774b 0x11c1590 0x118fd18 0xfe6d8b 0x126b3f7 0xba4eea 0xba5b86 0xaff3d0 0xcb921d 0x98a86c 0x132b9ed 0x3aa1007a51 0x3aa0ce893d
 2015-11-23T18:45:12.811 0000 d20013| ----- BEGIN BACKTRACE -----
 2015-11-23T18:45:12.822 0000 d20013| {"backtrace":[{"b":"400000","o":"F7F942"},{"b":"400000","o":"F7E889"},{"b":"400000","o":"F7F092"},{"b":"3AA1000000","o":"F790"},{"b":"3AA0C00000","o":"32625"},{"b":"3AA0C00000","o":"33E05"},{"b":"400000","o":"F0774B"},{"b":"400000","o":"DC1590"},{"b":"400000","o":"D8FD18"},{"b":"400000","o":"BE6D8B"},{"b":"400000","o":"E6B3F7"},{"b":"400000","o":"7A4EEA"},{"b":"400000","o":"7A5B86"},{"b":"400000","o":"6FF3D0"},{"b":"400000","o":"8B921D"},{"b":"400000","o":"58A86C"},{"b":"400000","o":"F2B9ED"},{"b":"3AA1000000","o":"7A51"},{"b":"3AA0C00000","o":"E893D"}],"processInfo":{ "mongodbVersion" : "3.2.0-rc3-103-ge3cd63f", "gitVersion" : "e3cd63fcae3deb1140941a51c85564f098062a23", "compiledModules" : [ "enterprise" ], "uname" : { "sysname" : "Linux", "release" : "2.6.32-220.el6.x86_64", "version" : "#1 SMP Wed Nov 9 08:03:13 EST 2011", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "CE2EBCEACDDF77CDBBC11D3208BF858DEBC7137B" }, { "b" : "7FFF87AFF000", "elfType" : 3, "buildId" : "08F634A1D22DEFF00461D50A7699DACDC97657BF" }, { "b" : "7FCAEB3F2000", "path" : "/usr/lib64/libnetsnmpagent.so.20", "elfType" : 3, "buildId" : "E4E49DE2554F02ACF2728D1748874101B0709B3A" }, { "b" : "7FCAEB1CB000", "path" : "/usr/lib64/libnetsnmphelpers.so.20", "elfType" : 3, "buildId" : "17A35AEE324676929C7A5C8B4CE54443ED10AC07" }, { "b" : "7FCAEAD03000", "path" : "/usr/lib64/libnetsnmpmibs.so.20", "elfType" : 3, "buildId" : "78A49421FA60389F8C774BE68F5EF17DF2BD9CE3" }, { "b" : "7FCAEAA29000", "path" : "/usr/lib64/libnetsnmp.so.20", "elfType" : 3, "buildId" : "4CB6272BCAC2270393F559F67E8ED321690F79D5" }, { "path" : "/usr/lib64/libsasl2.so.2", "elfType" : 3, "buildId" : "E0AEE889D5BF1373F2F9EE0D448DBF3F5B5113F0" }, { "path" : "/lib64/libgssapi_krb5.so.2", "elfType" : 3, "buildId" : "0C72521270790A1BD52C8F6B989EEA5A575085BF" }, { "b" : "7FCAEA7BC000", "path" : "/usr/lib64/libssl.so.10", "elfType" : 3, "buildId" : "93610457BCF424BEBBF1F3FB44E51B51B50F2B55" }, { "b" : "7FCAEA3D8000", "path" : "/usr/lib64/libcrypto.so.10", "elfType" : 3, "buildId" : "06DDBB192AF74F99DB58F2150BFB83F42F5EBAD3" }, { "path" : "/lib64/librt.so.1", "elfType" : 3, "buildId" : "58C5A5FF5C82D7BE3113BE36DD87C7004E3C4DB1" }, { "path" : "/lib64/libdl.so.2", "elfType" : 3, "buildId" : "B5AE05CEDC0CE917F50A3A468CFA2ACD8592E8F6" }, { "path" : "/usr/lib64/libstdc  .so.6", "elfType" : 3, "buildId" : "28AF9321EBEA9D172CA43E11A60E02D0F7014870" }, { "path" : "/lib64/libm.so.6", "elfType" : 3, "buildId" : "989FE3A42CA8CEBDCC185A743896F23A0CF537ED" }, { "path" : "/lib64/libgcc_s.so.1", "elfType" : 3, "buildId" : "2AC15B051D1B8B53937E3341EA931D0E96F745D9" }, { "path" : "/lib64/libpthread.so.0", "elfType" : 3, "buildId" : "D467973C46E563CDCF64B5F12B2D6A50C7A25BA1" }, { "path" : "/lib64/libc.so.6", "elfType" : 3, "buildId" : "A6D15926E61580E250ED91F84FF7517F3970CD83" }, { "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "04202A4A8BE624D2193E812A25589E2DD02D5B5C" }, { "b" : "7FCAEA1CB000", "path" : "/lib64/libwrap.so.0", "elfType" : 3, "buildId" : "8C0C7CAB7F028E4592A8581EB2122FBECAB26B97" }, { "b" : "7F904765F000", "path" : "/usr/lib64/perl5/CORE/libperl.so", "elfType" : 3, "buildId" : "0A8E7D74369C1AF1F7C33B8DF8387DE5013898A4" }, { "path" : "/lib64/libresolv.so.2", "elfType" : 3, "buildId" : "F704FA7D21D05EF31E90FB4890FCA7F3D91DA138" }, { "path" : "/lib64/libnsl.so.1", "elfType" : 3, "buildId" : "CAD1498B2AA3531958C579F5CB39D8D6BFB5675B" }, { "path" : "/lib64/libcrypt.so.1", "elfType" : 3, "buildId" : "128802B73016BE233837EA9F2DCBC2153ACC2D6A" }, { "b" : "7F904845B000", "path" : "/lib64/libutil.so.1", "elfType" : 3, "buildId" : "565D9CDC6BD59EFE0156BAFE21033BE070F014DA" }, { "b" : "7F9042DEF000", "path" : "/usr/lib64/librpm.so.1", "elfType" : 3, "buildId" : "0B73153AA2E650B19153B7E8A57F9C7A965072CD" }, { "path" : "/usr/lib64/librpmio.so.1", "elfType" : 3, "buildId" : "7D821C87BEF03F9D7BBFE7FEE591EC5929D1C22C" }, { "b" : "7F9046BE6000", "path" : "/lib64/libpopt.so.0", "elfType" : 3, "buildId" : "E7B49911F1136073DD7DC58E8118CD9A4FBE2A19" }, { "b" : "7F90481CF000", "path" : "/lib64/libz.so.1", "elfType" : 3, "buildId" : "D053BB4FF0C2FC983842F81598813B9B931AD0D1" }, { "b" : "7FCAE93BF000", "path" : "/usr/lib64/libsensors.so.4", "elfType" : 3, "buildId" : "6855E5BF5B3634C15F01B1043BD892D727EE3C08" }, { "path" : "/lib64/libkrb5.so.3", "elfType" : 3, "buildId" : "DC11D5D89BDC77FF242481122D51E5A08DB60DA8" }, { "path" : "/lib64/libk5crypto.so.3", "elfType" : 3, "buildId" : "15782495E3AF093E67DDAE9A86436FFC6B3CC4D3" }, { "b" : "7F90469BA000", "path" : "/lib64/libcom_err.so.2", "elfType" : 3, "buildId" : "13FFCD68952B7715DDF34C9321D82E3041EA9006" }, { "b" : "7F90427AE000", "path" : "/lib64/libkrb5support.so.0", "elfType" : 3, "buildId" : "44A3A1C1891B4C8170C3DB80E7117A022E5EECD0" }, { "path" : "/lib64/libkeyutils.so.1", "elfType" : 3, "buildId" : "3BCCABE75DC61BBA81AAE45D164E26EF4F9F55DB" }, { "path" : "/lib64/libfreebl3.so", "elfType" : 3, "buildId" : "58BAC04A1DB3964A8F594EFFBE4838AD01214EDC" }, { "path" : "/usr/lib64/libnss3.so", "elfType" : 3, "buildId" : "A719876DB720919EA694995B0CB4E703E78F561F" }, { "b" : "7F904599C000", "path" : "/lib64/libbz2.so.1", "elfType" : 3, "buildId" : "1250B1D041DD7552F0C870BB188DC3A34DF2651D" }, { "b" : "7F9045385000", "path" : "/usr/lib64/libelf.so.1", "elfType" : 3, "buildId" : "1C2B39A5003E9DA8FD9C55972C06245E731E6546" }, { "path" : "/usr/lib64/liblzma.so.0", "elfType" : 3, "buildId" : "6FF9BAEEEE9DDEEF2DFA5CBD36147A75891C0AD4" }, { "b" : "7F9042558000", "path" : "/usr/lib64/liblua-5.1.so", "elfType" : 3, "buildId" : "6BDB4E1990D6EBA12A5C8D39A7650DB8798BF568" }, { "b" : "7F9046738000", "path" : "/lib64/libselinux.so.1", "elfType" : 3, "buildId" : "2D0F26E648D9661ABD83ED8B4BBE8F2CFA50393B" }, { "path" : "/lib64/libcap.so.2", "elfType" : 3, "buildId" : "A436538388F1F25113FDA834CA2EED524EFA17D6" }, { "b" : "7F9042930000", "path" : "/lib64/libacl.so.1", "elfType" : 3, "buildId" : "26CC708AC7C0FC1797A2340C024F0ADD0CE054D8" }, { "path" : "/lib64/libdb-4.7.so", "elfType" : 3, "buildId" : "437CA0AB593A7383FF1A1700D14AF4998FE93CF3" }, { "path" : "/usr/lib64/libnssutil3.so", "elfType" : 3, "buildId" : "3D18834CC92D576DCB1CD0F44BA62D3BFFFD52B7" }, { "path" : "/lib64/libplc4.so", "elfType" : 3, "buildId" : "C53F8B39797A277F40F582D8D11D3C2FFF7E5D1E" }, { "path" : "/lib64/libplds4.so", "elfType" : 3, "buildId" : "97F07716D324E086D43CC4D05873E1A16E020468" }, { "path" : "/lib64/libnspr4.so", "elfType" : 3, "buildId" : "7CD7DD1B6C294C61F494519CE3E0D7E114DFB36D" }, { "b" : "7F9044728000", "path" : "/lib64/libattr.so.1", "elfType" : 3, "buildId" : "8EF0683858704EF173AB11B1E27076F37F82B7B6" }, { "b" : "7FCAE811A000", "path" : "/usr/lib64/sasl2/libsasldb.so", "elfType" : 3, "buildId" : "4514552B5354286A143770420B38F2D5985D7FA1" }, { "b" : "7FCAE7F15000", "path" : "/usr/lib64/sasl2/libanonymous.so", "elfType" : 3, "buildId" : "EEAA33A75735D35F4BF25C3C2830B8C90ABDD8B5" }, { "b" : "7FCAE7D08000", "path" : "/usr/lib64/sasl2/libdigestmd5.so", "elfType" : 3, "buildId" : "34D8E3E2565DEF4A685D6976831B0372AD456993" }, { "b" : "7FCAE7B02000", "path" : "/usr/lib64/sasl2/libcrammd5.so", "elfType" : 3, "buildId" : "4CC7E695963F5C8B772EDFF456DB67F89E58FBD6" }, { "b" : "7FCAE78FD000", "path" : "/usr/lib64/sasl2/libplain.so", "elfType" : 3, "buildId" : "F8DDC7A3CA1CE5B75719AE0DC821647B609D17B6" }, { "b" : "7FCAE76F8000", "path" : "/usr/lib64/sasl2/liblogin.so", "elfType" : 3, "buildId" : "9D19F93E342AA4EE2D646E64642625F365056E5C" }, { "b" : "7FCAE74F0000", "path" : "/usr/lib64/sasl2/libgssapiv2.so", "elfType" : 3, "buildId" : "F7BCE9C6BFF4EAF0CB3142B299CF22D094CE4F04" } ] }}
 2015-11-23T18:45:12.822 0000 d20013|  mongod(mongo::printStackTrace(std::ostream&) 0x32) [0x137f942]
 2015-11-23T18:45:12.823 0000 d20013|  mongod( 0xF7E889) [0x137e889]
 2015-11-23T18:45:12.823 0000 d20013|  mongod( 0xF7F092) [0x137f092]
 2015-11-23T18:45:12.823 0000 d20013|  libpthread.so.0( 0xF790) [0x3aa100f790]
 2015-11-23T18:45:12.823 0000 d20013|  libc.so.6(gsignal 0x35) [0x3aa0c32625]
 2015-11-23T18:45:12.823 0000 d20013|  libc.so.6(abort 0x175) [0x3aa0c33e05]
 2015-11-23T18:45:12.823 0000 d20013|  mongod(mongo::invariantFailed(char const*, char const*, unsigned int) 0xCB) [0x130774b]
 2015-11-23T18:45:12.824 0000 d20013|  mongod(mongo::LegacyDistLockManager::unlock(mongo::OperationContext*, mongo::OID const&) 0x320) [0x11c1590]
 2015-11-23T18:45:12.824 0000 d20013|  mongod(mongo::ForwardingCatalogManager::ScopedDistLock::~ScopedDistLock() 0x48) [0x118fd18]
 2015-11-23T18:45:12.824 0000 d20013|  mongod(mongo::StatusWith<mongo::ForwardingCatalogManager::ScopedDistLock>::~StatusWith() 0x1B) [0xfe6d8b]
 2015-11-23T18:45:12.824 0000 d20013|  mongod(mongo::SplitChunkCommand::run(mongo::OperationContext*, std::string const&, mongo::BSONObj&, int, std::string&, mongo::BSONObjBuilder&) 0x2CC7) [0x126b3f7]
 2015-11-23T18:45:12.825 0000 d20013|  mongod(mongo::Command::run(mongo::OperationContext*, mongo::rpc::RequestInterface const&, mongo::rpc::ReplyBuilderInterface*) 0x40A) [0xba4eea]
 2015-11-23T18:45:12.825 0000 d20013|  mongod(mongo::Command::execCommand(mongo::OperationContext*, mongo::Command*, mongo::rpc::RequestInterface const&, mongo::rpc::ReplyBuilderInterface*) 0x3E6) [0xba5b86]
 2015-11-23T18:45:12.825 0000 d20013|  mongod(mongo::runCommands(mongo::OperationContext*, mongo::rpc::RequestInterface const&, mongo::rpc::ReplyBuilderInterface*) 0x1F0) [0xaff3d0]
 2015-11-23T18:45:12.826 0000 d20013|  mongod(mongo::assembleResponse(mongo::OperationContext*, mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) 0xC2D) [0xcb921d]
 2015-11-23T18:45:12.826 0000 d20013|  mongod(mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*) 0xEC) [0x98a86c]
 2015-11-23T18:45:12.826 0000 d20013|  mongod(mongo::PortMessageServer::handleIncomingMsg(void*) 0x26D) [0x132b9ed]
 2015-11-23T18:45:12.826 0000 d20013|  libpthread.so.0( 0x7A51) [0x3aa1007a51]
 2015-11-23T18:45:12.826 0000 d20013|  libc.so.6(clone 0x6D) [0x3aa0ce893d]
 2015-11-23T18:45:12.826 0000 d20013| -----  END BACKTRACE  -----