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  1. Core Server
  2. SERVER-23461

Secondary stay STARTUP2 state because of dead lock

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Duplicate
    • Affects Version/s: 3.2.3
    • Fix Version/s: None
    • Component/s: Replication
    • Labels:
      None
    • Operating System:
      ALL
    • Sprint:
      Repl 13 (04/22/16)

      Description

      In my production envrionment, a secondary stay STARTUP2 state all the time because of dead lock.

      Thread1

      after sync from primary, seconday call AuthzManagerExternalStateLocal::initialize to reload auth, it hold AuthzManagerExternalStateLocal::_roleGraphMutex lock, and then try to acquire read lock of admin database

      Thread2

      a request lead to creation of admin.system.profile, which will hold write lock of admin databaseļ¼Œand then try to acquire AuthzManagerExternalStateLocal::_roleGraphMutex lock.

       
      Thread 121 (Thread 0x2b6270a78700 (LWP 1303)):
      #0  0x0000003e5ac0e054 in __lll_lock_wait () from /lib64/libpthread.so.0
      #1  0x0000003e5ac09388 in _L_lock_854 () from /lib64/libpthread.so.0
      #2  0x0000003e5ac09257 in pthread_mutex_lock () from /lib64/libpthread.so.0
      #3  0x0000000000a7019a in mongo::AuthzManagerExternalStateLocal::AuthzManagerLogOpHandler::commit() ()
      #4  0x000000000107e529 in mongo::WiredTigerRecoveryUnit::_commit() ()
      #5  0x0000000000aba7f0 in mongo::WriteUnitOfWork::commit() ()
      #6  0x0000000000cb75c1 in mongo::createProfileCollection(mongo::OperationContext*, mongo::Database*) ()
      #7  0x0000000000cb7ea2 in mongo::profile(mongo::OperationContext*, mongo::NetworkOp) ()
      #8  0x0000000000cb41db in mongo::assembleResponse(mongo::OperationContext*, mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) ()
      #9  0x000000000098b85c in mongo::MyMessageHandler::process(mongo::Message&, mongo::AbstractMessagingPort*) ()
      #10 0x00000000012b4d67 in mongo::PortMessageServer::handleIncomingMsg(void*) ()
      #11 0x0000003e5ac07851 in start_thread () from /lib64/libpthread.so.0
      #12 0x0000003e5a8e767d in clone () from /lib64/libc.so.6
      
      

       
      Thread 120 (Thread 0x2b6270c79700 (LWP 1304)):
      #0  0x0000003e5ac0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000000000b932a9 in mongo::CondVarLockGrantNotification::wait(unsigned int) ()
      #2  0x0000000000b96d77 in mongo::LockerImpl<false>::lockComplete(mongo::ResourceId, mongo::LockMode, unsigned int, bool) ()
      #3  0x0000000000b8d2bf in mongo::Lock::DBLock::DBLock(mongo::Locker*, mongo::StringData, mongo::LockMode) ()
      #4  0x0000000000ba2d60 in mongo::AutoGetDb::AutoGetDb(mongo::OperationContext*, mongo::StringData, mongo::LockMode) ()
      #5  0x0000000000ba2ddd in mongo::AutoGetCollection::AutoGetCollection(mongo::OperationContext*, mongo::NamespaceString const&, mongo::LockMode) ()
      #6  0x0000000000ba331d in mongo::AutoGetCollectionForRead::AutoGetCollectionForRead(mongo::OperationContext*, mongo::NamespaceString const&) ()
      #7  0x0000000000dd0ad5 in mongo::runQuery(mongo::OperationContext*, mongo::QueryMessage&, mongo::NamespaceString const&, mongo::Message&) ()
      #8  0x0000000000cb4130 in mongo::assembleResponse(mongo::OperationContext*, mongo::Message&, mongo::DbResponse&, mongo::HostAndPort const&) ()
      #9  0x0000000000baca33 in mongo::DBDirectClient::call(mongo::Message&, mongo::Message&, bool, std::basic_string<char, std::char_traits<char>, std::allocator<char> >*) ()
      #10 0x0000000000a0256b in mongo::DBClientCursor::init() ()
      #11 0x00000000009e4309 in mongo::DBClientBase::query(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, mongo::Query, int, int, mongo::BSONObj const*, int, int) ()
      #12 0x0000000000bac686 in mongo::DBDirectClient::query(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, mongo::Query, int, int, mongo::BSONObj const*, int, int) ()
      #13 0x00000000009e660d in mongo::DBClientBase::query(std::function<void ()(mongo::DBClientCursorBatchIterator&)>, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, mongo::Query, mongo::BSONObj const*, int) ()
      #14 0x00000000009e6492 in mongo::DBClientBase::query(std::function<void ()(mongo::BSONObj const&)>, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, mongo::Query, mongo::BSONObj const*, int) ()
      #15 0x0000000000a6908e in mongo::AuthzManagerExternalStateMongod::query(mongo::OperationContext*, mongo::NamespaceString const&, mongo::BSONObj const&, mongo::BSONObj const&, std::function<void ()(mongo::BSONObj const&)> const&) ()
      #16 0x0000000000a6baeb in mongo::AuthzManagerExternalStateLocal::_initializeRoleGraph(mongo::OperationContext*) ()
      #17 0x0000000000a6bec4 in mongo::AuthzManagerExternalStateLocal::initialize(mongo::OperationContext*) ()
      #18 0x0000000000a5df40 in mongo::AuthorizationManager::initialize(mongo::OperationContext*) ()
      #19 0x0000000000f1b954 in ?? ()
      #20 0x0000000000f1c1df in mongo::repl::syncDoInitialSync() ()
      #21 0x0000000000f26710 in mongo::repl::runSyncThread() ()
      #22 0x0000000001b0b1e0 in execute_native_thread_routine ()
      

      #23 0x0000003e5ac07851 in start_thread () from /lib64/libpthread.so.0
      #24 0x0000003e5a8e767d in clone () from /lib64/libc.so.6

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          Youdong Zhang

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