mongos crashed

Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32935 #339189
Sat Apr 2 06:20:16 [conn339168] end connection 127.0.0.1:32915
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32936 #339190
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32937 #339191
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32938 #339192
Sat Apr 2 06:20:16 [conn339141] end connection 127.0.0.1:32887
Sat Apr 2 06:20:16 [conn339121] end connection 127.0.0.1:32867
Sat Apr 2 06:20:16 [conn339173] end connection 127.0.0.1:32920
Sat Apr 2 06:20:16 [conn339156] end connection 127.0.0.1:32903
Sat Apr 2 06:20:16 [conn339131] end connection 127.0.0.1:32879
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32939 #339193
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32940 #339194
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32941 #339195
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32942 #339196
Sat Apr 2 06:20:16 [conn339072] end connection 127.0.0.1:32818
Sat Apr 2 06:20:16 [conn339152] end connection 127.0.0.1:32899
Sat Apr 2 06:20:16 [conn339179] end connection 127.0.0.1:32926
Sat Apr 2 06:20:16 [conn339175] end connection 127.0.0.1:32922
Received signal 11
Backtrace: Sat Apr 2 06:20:16 [conn339176] end connection 127.0.0.1:32923
Sat Apr 2 06:20:16 [conn339166] end connection 127.0.0.1:32913
Sat Apr 2 06:20:16 [conn339185] end connection 127.0.0.1:32932
Sat Apr 2 06:20:16 [conn339178] end connection 127.0.0.1:32925
Sat Apr 2 06:20:16 [conn339186] end connection 127.0.0.1:32933
0x5319a5 0x2b47e452d070 0x2b47e3e06ac4 0x624906 0x69e8ca 0x5799e6 0x57a2f6 0x578470 0x5786c6 0x586644 0x589194 0x66fa0a 0x639585 0x667d6c 0x67ae11 0x5817a2 0x6a22b0 0x2b47e3b561b5 0x2b47e45ca36d Sat Apr 2 06:20:16 [conn339154] end connection 127.0.0.1:32901
/usr/bin/mongos(_ZN5mongo17printStackAndExitEi+0x75)[0x5319a5]
/lib64/libc.so.6[0x2b47e452d070]
/usr/local/lib64/libstdc++.so.6(_ZNSs6assignERKSs+0x24)[0x2b47e3e06ac4]
/usr/bin/mongos(_ZN5mongo5Shard5resetERKSs+0x86)[0x624906]
/usr/bin/mongos[0x69e8ca]
/usr/bin/mongos(_ZN5boost6detail8function17function_invoker4IPFbRN5mongo12DBClientBaseERKSsbiEbS5_S7_biE6invokeERNS1_15function_bufferES5_S7_bi+0x16)[0x5799e6]
/usr/bin/mongos(_ZN5mongo17ClientConnections13checkVersionsERKSs+0x1c6)[0x57a2f6]
/usr/bin/mongos(_ZN5mongo15ShardConnection5_initEv+0x2d0)[0x578470]
/usr/bin/mongos(ZN5mongo15ShardConnectionC1ERKSsS2+0x76)[0x5786c6]
/usr/bin/mongos(_ZN5mongo15ClusteredCursor5queryERKSsiNS_7BSONObjEi+0x124)[0x586644]
/usr/bin/mongos(_ZN5mongo27SerialServerClusteredCursor4moreEv+0x134)[0x589194]
/usr/bin/mongos(_ZN5mongo19ShardedClientCursor13sendNextBatchERNS_7RequestEi+0x8a)[0x66fa0a]
/usr/bin/mongos(_ZN5mongo13ShardStrategy7queryOpERNS_7RequestE+0xe55)[0x639585]
/usr/bin/mongos(_ZN5mongo7Request7processEi+0x29c)[0x667d6c]
/usr/bin/mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x141)[0x67ae11]
/usr/bin/mongos(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x272)[0x5817a2]
/usr/bin/mongos(thread_proxy+0x80)[0x6a22b0]
/usr/bin/mongos(thread_proxy+0x80)[0x6a22b0]
/lib64/libpthread.so.0[0x2b47e3b561b5]
/lib64/libc.so.6(clone+0x6d)[0x2b47e45ca36d]
===
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32943 #339197
Received signal 11
Backtrace: 0x5319a5 0x2b47e452d070 0x534f50 0x5369b3 0x57a34d 0x578470 0x578971 0x654c39 0x57ec0c 0x634572 0x667d6c 0x67ae11 0x5817a2 0x6a22b0 0x2b47e3b561b5 0x2b47e45ca36d
/usr/bin/mongos(_ZN5mongo17printStackAndExitEi+0x75)[0x5319a5]
/lib64/libc.so.6[0x2b47e452d070]
/usr/bin/mongos(_ZN5mongo16DBConnectionPool11onHandedOutEPNS_12DBClientBaseE+0x20)[0x534f50]
/usr/bin/mongos(_ZN5mongo16DBConnectionPool3getERKSs+0x43)[0x5369b3]
/usr/bin/mongos(_ZN5mongo17ClientConnections13checkVersionsERKSs+0x21d)[0x57a34d]
/usr/bin/mongos(_ZN5mongo15ShardConnection5_initEv+0x2d0)[0x578470]
/usr/bin/mongos(_ZN5mongo15ShardConnectionC1ERKNS_5ShardERKSs+0xa1)[0x578971]
Sat Apr 2 06:20:16 [mongosMain] connection accepted from 127.0.0.1:32944 #339198
/usr/bin/mongos(_ZN5mongo15dbgrid_pub_cmds16FindAndModifyCmd3runERKSsRNS_7BSONObjERSsRNS_14BSONObjBuilderEb+0x3b9)[0x654c39]
/usr/bin/mongos(_ZN5mongo7Command20runAgainstRegisteredEPKcRNS_7BSONObjERNS_14BSONObjBuilderE+0x67c)[0x57ec0c]
/usr/bin/mongos(_ZN5mongo14SingleStrategy7queryOpERNS_7RequestE+0x262)[0x634572]
/usr/bin/mongos(_ZN5mongo7Request7processEi+0x29c)[0x667d6c]
/usr/bin/mongos(_ZN5mongo14SingleStrategy7queryOpERNS_7RequestE+0x262)[0x634572]
/usr/bin/mongos(_ZN5mongo7Request7processEi+0x29c)[0x667d6c]
/usr/bin/mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x141)[0x67ae11]
/usr/bin/mongos(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x272)[0x5817a2]
/usr/bin/mongos(thread_proxy+0x80)[0x6a22b0]
/lib64/libpthread.so.0[0x2b47e3b561b5]
/lib64/libc.so.6(clone+0x6d)[0x2b47e45ca36d]
===
Received signal 11
Backtrace: 0x5319a5 0x2b47e452d070 0x5fb694 0x66706d 0x67adfb 0x5817a2 0x6a22b0 0x2b47e3b561b5 0x2b47e45ca36d
Sat Apr 2 06:20:16 [conn339196] Assertion failure _name.size() s/shard.h 75
/usr/bin/mongos(_ZN5mongo17printStackAndExitEi+0x75)[0x5319a5]
/lib64/libc.so.6[0x2b47e452d070]
/usr/bin/mongos(_ZN5mongo4Grid11getDBConfigESsbRKSs+0x254)[0x5fb694]
/usr/bin/mongos(_ZN5mongo7Request5resetEb+0xbd)[0x66706d]
/usr/bin/mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x12b)[0x67adfb]
/usr/bin/mongos(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x272)[0x5817a2]
/usr/bin/mongos(thread_proxy+0x80)[0x6a22b0]
/lib64/libpthread.so.0[0x2b47e3b561b5]
/lib64/libc.so.6(clone+0x6d)[0x2b47e45ca36d]
===
Received signal 6
Backtrace: 0x5319a5 0x2b47e452d070 0x2b47e452d015 0x2b47e452e980 0x2b47e45644cb 0x2b47e456f0d6 0x62607b 0x622967 0x2b47e452fd35 0x531a0b 0x2b47e452d070 0x2b47e3e06ac4 0x624906 0x69e8ca 0x5799e6 0x57a2f6 0x578470 0x5786c6 0x586644 0x589194
/usr/bin/mongos(_ZN5mongo17printStackAndExitEi+0x75)[0x5319a5]
/lib64/libc.so.6[0x2b47e452d070]
/lib64/libc.so.6(gsignal+0x35)[0x2b47e452d015]
/lib64/libc.so.6(abort+0x110)[0x2b47e452e980]
/lib64/libc.so.6[0x2b47e45644cb]
/lib64/libc.so.6(cfree+0x1b6)[0x2b47e456f0d6]
/usr/bin/mongos(_ZNSt8_Rb_treeISsSt4pairIKSsN5mongo5ShardEESt10_Select1stIS4_ESt4lessISsESaIS4_EE8_M_eraseEPSt13_Rb_tree_nodeIS4_E+0x99b)[0x62607b]
/usr/bin/mongos[0x622967]
/lib64/libc.so.6(exit+0xe5)[0x2b47e452fd35]
/usr/bin/mongos[0x531a0b]
/lib64/libc.so.6[0x2b47e452d070]
/usr/local/lib64/libstdc++.so.6(_ZNSs6assignERKSs+0x24)[0x2b47e3e06ac4]
/usr/bin/mongos(_ZN5mongo5Shard5resetERKSs+0x86)[0x624906]
/usr/bin/mongos[0x69e8ca]
/usr/bin/mongos(_ZN5boost6detail8function17function_invoker4IPFbRN5mongo12DBClientBaseERKSsbiEbS5_S7_biE6invokeERNS1_15function_bufferES5_S7_bi+0x16)[0x5799e6]
/usr/bin/mongos(_ZN5mongo17ClientConnections13checkVersionsERKSs+0x1c6)[0x57a2f6]
/usr/bin/mongos(_ZN5mongo15ShardConnection5_initEv+0x2d0)[0x578470]
/usr/bin/mongos(ZN5mongo15ShardConnectionC1ERKSsS2+0x76)[0x5786c6]
/usr/bin/mongos(_ZN5mongo15ClusteredCursor5queryERKSsiNS_7BSONObjEi+0x124)[0x586644]
/usr/bin/mongos(_ZN5mongo27SerialServerClusteredCursor4moreEv+0x134)[0x589194]