NETWORK  [conn652] SocketException handling request, closing client connection: 9001 socket exception [SEND_ERROR] server [127.0.0.1:47801] 
2016-03-28T11:57:42.330+0000 I NETWORK  [conn602] SocketException handling request, closing client connection: 9001 socket exception [SEND_ERROR] server [xxx.xxx.xxx.xxx:46213] 
2016-03-28T11:57:43.784+0000 I COMMAND  [conn680] command admin.$cmd command: isMaster { ismaster: true } keyUpdates:0 writeConflicts:0 numYields:0 reslen:370 locks:{} protocol:op_query 1609ms
2016-03-28T11:57:43.869+0000 F REPL     [rsBackgroundSync] sync producer exception: Resource temporarily unavailable
2016-03-28T11:57:43.899+0000 I -        [rsBackgroundSync] Fatal Assertion 28546
2016-03-28T11:57:43.900+0000 I -        [rsBackgroundSync] 
***aborting after fassert() failure


2016-03-28T11:57:56.249+0000 F -        [rsBackgroundSync] Got signal: 6 (Aborted).

 0x12f3502 0x12f2659 0x12f2e62 0x7f4ba82ee340 0x7f4ba7f4fcc9 0x7f4ba7f530d8 0x127d9d2 0xe44646 0x7f4ba8ac9a60 0x7f4ba82e6182 0x7f4ba801347d
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"400000","o":"EF3502","s":"_ZN5mongo15printStackTraceERSo"},{"b":"400000","o":"EF2659"},{"b":"400000","o":"EF2E62"},{"b":"7F4BA82DE000","o":"10340"},{"b":"7F4BA7F19000","o":"36CC9","s":"gsignal"},{"b":"7F4BA7F19000","o":"3A0D8","s":"abort"},{"b":"400000","o":"E7D9D2","s":"_ZN5mongo13fassertFailedEi"},{"b":"400000","o":"A44646","s":"_ZN5mongo4repl14BackgroundSync14producerThreadEv"},{"b":"7F4BA8A18000","o":"B1A60"},{"b":"7F4BA82DE000","o":"8182"},{"b":"7F4BA7F19000","o":"FA47D","s":"clone"}],"processInfo":{ "mongodbVersion" : "3.2.4", "gitVersion" : "e2ee9ffcf9f5a94fad76802e28cc978718bb7a30", "compiledModules" : [], "uname" : { "sysname" : "Linux", "release" : "3.13.0-74-generic", "version" : "#118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "EF46210F8976780D45B811C3540FECB9E734EABE" }, { "b" : "7FFDA8435000", "elfType" : 3, "buildId" : "DC075B751E9FB361F14CD59BD81300A6BB5CB377" }, { "b" : "7F4BA9504000", "path" : "/lib/x86_64-linux-gnu/libssl.so.1.0.0", "elfType" : 3, "buildId" : "E21720F2804EF30440F2B39CD409252C26F58F73" }, { "b" : "7F4BA9128000", "path" : "/lib/x86_64-linux-gnu/libcrypto.so.1.0.0", "elfType" : 3, "buildId" : "9BC22F9457E3D7E9CF8DDC135C0DAC8F7742135D" }, { "b" : "7F4BA8F20000", "path" : "/lib/x86_64-linux-gnu/librt.so.1", "elfType" : 3, "buildId" : "B376100CAB1EAC4E5DE066EACFC282BF7C0B54F3" }, { "b" : "7F4BA8D1C000", "path" : "/lib/x86_64-linux-gnu/libdl.so.2", "elfType" : 3, "buildId" : "67699FFDA9FD2A552032E0652A242E82D65AA10D" }, { "b" : "7F4BA8A18000", "path" : "/usr/lib/x86_64-linux-gnu/libstdc++.so.6", "elfType" : 3, "buildId" : "D0E735DBECD63462DA114BD3F76E6EC7BB1FACCC" }, { "b" : "7F4BA8712000", "path" : "/lib/x86_64-linux-gnu/libm.so.6", "elfType" : 3, "buildId" : "EF3F6DFFA1FBE48436EC6F45CD3AABA157064BB4" }, { "b" : "7F4BA84FC000", "path" : "/lib/x86_64-linux-gnu/libgcc_s.so.1", "elfType" : 3, "buildId" : "36311B4457710AE5578C4BF00791DED7359DBB92" }, { "b" : "7F4BA82DE000", "path" : "/lib/x86_64-linux-gnu/libpthread.so.0", "elfType" : 3, "buildId" : "AF06068681750736E0524DF17D5A86CB2C3F765C" }, { "b" : "7F4BA7F19000", "path" : "/lib/x86_64-linux-gnu/libc.so.6", "elfType" : 3, "buildId" : "5382058B69031CAA9B9996C11061CD164C9398FF" }, { "b" : "7F4BA9763000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "2A816C3EBBA4E12813FBD34B06FBD25BC892A67F" } ] }}
 mongod(_ZN5mongo15printStackTraceERSo+0x32) [0x12f3502]
 mongod(+0xEF2659) [0x12f2659]
 mongod(+0xEF2E62) [0x12f2e62]
 libpthread.so.0(+0x10340) [0x7f4ba82ee340]
 libc.so.6(gsignal+0x39) [0x7f4ba7f4fcc9]
 libc.so.6(abort+0x148) [0x7f4ba7f530d8]
 mongod(_ZN5mongo13fassertFailedEi+0x82) [0x127d9d2]
 mongod(_ZN5mongo4repl14BackgroundSync14producerThreadEv+0x116) [0xe44646]
 libstdc++.so.6(+0xB1A60) [0x7f4ba8ac9a60]
 libpthread.so.0(+0x8182) [0x7f4ba82e6182]
 libc.so.6(clone+0x6D) [0x7f4ba801347d]
-----  END BACKTRACE  -----