Switching repl protocol version combined with step down triggers fassert

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    • Type: Bug
    • Resolution: Cannot Reproduce
    • Priority: Major - P3
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    • Affects Version/s: 3.3.1
    • Component/s: Replication
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    • ALL
    • Repl 11 (03/11/16), Repl 12 (04/01/16), Repl 13 (04/22/16), Repl 14 (05/13/16)
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      2016-01-27T13:40:04.366-0500 I -        [rsSync] Fatal assertion 34361 OplogOutOfOrder: Attempted to apply an oplog entry ((term: 0, timestamp: Jan 27 13:40:03:2)) which is not greater than our lastWrittenOptime ((term: 1, timestamp: Jan 27 13:35:36:1)).
       0x14cedb2 0x1473202 0x145d442 0x1030461 0x1022b70 0x7f1fd50961e0 0x7f1fd48aff8e 0x7f1fd45d9a0d
      ----- BEGIN BACKTRACE -----
      {"backtrace":[{"b":"400000","o":"10CEDB2","s":"_ZN5mongo15printStackTraceERSo"},{"b":"400000","o":"1073202","s":"_ZN5mongo10logContextEPKc"},{"b":"400000","o":"105D442","s":"_ZN5mongo23fassertFailedWithStatusEiRKNS_6StatusE"},{"b":"400000","o":"C30461","s":"_ZN5mongo4repl8SyncTail16oplogApplicationEv"},{"b":"400000","o":"C22B70","s":"_ZN5mongo4repl13runSyncThreadEv"},{"b":"7F1FD4FE0000","o":"B61E0"},{"b":"7F1FD48A8000","o":"7F8E"},{"b":"7F1FD44DF000","o":"FAA0D","s":"clone"}],"processInfo":{ "mongodbVersion" : "3.3.0-100-gae5deb1", "gitVersion" : "ae5deb12309858db224bbff8a2a717e21e9a8bc8", "compiledModules" : [], "uname" : { "sysname" : "Linux", "release" : "3.8.0-35-generic", "version" : "#50-Ubuntu SMP Tue Dec 3 01:24:59 UTC 2013", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000" }, { "b" : "7FFFA92F6000", "elfType" : 3, "buildId" : "C34731DD03A6781F7B90E4B441D073D3B4C33F65" }, { "b" : "7F1FD54EF000", "path" : "/lib/x86_64-linux-gnu/librt.so.1", "elfType" : 3, "buildId" : "8143139EDE058AD7AA1DA2E9972D3843F712A758" }, { "b" : "7F1FD52EB000", "path" : "/lib/x86_64-linux-gnu/libdl.so.2", "elfType" : 3, "buildId" : "30D12A669C22B52949902AB59B41738C4790E149" }, { "b" : "7F1FD4FE0000", "path" : "/usr/local/lib64/libstdc++.so.6", "elfType" : 3 }, { "b" : "7F1FD4CDB000", "path" : "/lib/x86_64-linux-gnu/libm.so.6", "elfType" : 3, "buildId" : "DEB41EC41A35E9184C4679C4E5AFF6E3D06B4348" }, { "b" : "7F1FD4AC5000", "path" : "/usr/local/lib64/libgcc_s.so.1", "elfType" : 3 }, { "b" : "7F1FD48A8000", "path" : "/lib/x86_64-linux-gnu/libpthread.so.0", "elfType" : 3, "buildId" : "23D6B805A9970B893E3C17D8756A69A26CE99DB9" }, { "b" : "7F1FD44DF000", "path" : "/lib/x86_64-linux-gnu/libc.so.6", "elfType" : 3, "buildId" : "30990788EB9EC583D2006CDE9A7841E43B2884FB" }, { "b" : "7F1FD56F7000", "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "B93C43C481B8B1680F449F697B8FD92695F545CE" } ] }}
       mongod(_ZN5mongo15printStackTraceERSo+0x32) [0x14cedb2]
       mongod(_ZN5mongo10logContextEPKc+0x132) [0x1473202]
       mongod(_ZN5mongo23fassertFailedWithStatusEiRKNS_6StatusE+0x62) [0x145d442]
       mongod(_ZN5mongo4repl8SyncTail16oplogApplicationEv+0x1761) [0x1030461]
       mongod(_ZN5mongo4repl13runSyncThreadEv+0x2C0) [0x1022b70]
       libstdc++.so.6(+0xB61E0) [0x7f1fd50961e0]
       libpthread.so.0(+0x7F8E) [0x7f1fd48aff8e]
       libc.so.6(clone+0x6D) [0x7f1fd45d9a0d]
      -----  END BACKTRACE  -----
      2016-01-27T13:40:04.367-0500 I -        [rsSync] 
      
      ***aborting after fassert() failure
      

      Environment:
      1 shard cluster

      Cannot remember the exact steps, but it involves connecting directly to primary, calling replSetReconfig to switch to pv0, replSetStepDown, calling replSetReconfig to switch to pv1, replSetStepDown.

        1. log
          261 kB

            Assignee:
            Siyuan Zhou
            Reporter:
            Randolph Tan
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              Created:
              Updated:
              Resolved: