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  1. Traffic Server
  2. TS-3266

core dump in UnixNetProcessor::connect_re_internal

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 5.2.0, 5.3.0
    • Fix Version/s: None
    • Component/s: Core
    • Labels:

      Description

      See a new core dump in v5.2.0 after running stable for over 48 hours. Below is the bt and some gdb info.

      (gdb) bt
      #0  0x0000000000773056 in EThread::is_event_type (this=0x0, et=2) at UnixEThread.cc:121
      #1  0x0000000000750cfe in UnixNetProcessor::connect_re_internal (this=0x1032fc0, cont=0x2aad4590d080, target=0x2aad4590d728, opt=0x2aac8b367600) at UnixNetProcessor.cc:247
      #2  0x000000000052b498 in NetProcessor::connect_re (this=0x1032fc0, cont=0x2aad4590d080, addr=0x2aad4590d728, opts=0x2aac8b367600) at ../iocore/net/P_UnixNetProcessor.h:85
      #3  0x00000000005e64e5 in HttpSM::do_http_server_open (this=0x2aad4590d080, raw=false) at HttpSM.cc:4796
      #4  0x00000000005edec7 in HttpSM::set_next_state (this=0x2aad4590d080) at HttpSM.cc:7141
      #5  0x00000000005ed2f2 in HttpSM::call_transact_and_set_next_state (this=0x2aad4590d080, f=0x607320 <HttpTransact::HandleResponse(HttpTransact::State*)>) at HttpSM.cc:6961
      #6  0x00000000005e7b72 in HttpSM::handle_server_setup_error (this=0x2aad4590d080, event=104, data=0x2aade42edae8) at HttpSM.cc:5308
      #7  0x00000000005dc57c in HttpSM::state_send_server_request_header (this=0x2aad4590d080, event=104, data=0x2aade42edae8) at HttpSM.cc:1989
      #8  0x00000000005de6a2 in HttpSM::main_handler (this=0x2aad4590d080, event=104, data=0x2aade42edae8) at HttpSM.cc:2570
      #9  0x0000000000502eae in Continuation::handleEvent (this=0x2aad4590d080, event=104, data=0x2aade42edae8) at ../iocore/eventsystem/I_Continuation.h:146
      #10 0x00000000007524c3 in read_signal_and_update (event=104, vc=0x2aade42ed9d0) at UnixNetVConnection.cc:138
      #11 0x000000000075261e in read_signal_done (event=104, nh=0x2aac89a53ad0, vc=0x2aade42ed9d0) at UnixNetVConnection.cc:169
      #12 0x0000000000754cd4 in UnixNetVConnection::readSignalDone (this=0x2aade42ed9d0, event=104, nh=0x2aac89a53ad0) at UnixNetVConnection.cc:922
      #13 0x000000000073e088 in SSLNetVConnection::net_read_io (this=0x2aade42ed9d0, nh=0x2aac89a53ad0, lthread=0x2aac89a50010) at SSLNetVConnection.cc:596
      #14 0x000000000074c50d in NetHandler::mainNetEvent (this=0x2aac89a53ad0, event=5, e=0x282fb30) at UnixNet.cc:399
      #15 0x0000000000502eae in Continuation::handleEvent (this=0x2aac89a53ad0, event=5, data=0x282fb30) at ../iocore/eventsystem/I_Continuation.h:146
      #16 0x0000000000773172 in EThread::process_event (this=0x2aac89a50010, e=0x282fb30, calling_code=5) at UnixEThread.cc:144
      #17 0x000000000077367c in EThread::execute (this=0x2aac89a50010) at UnixEThread.cc:268
      #18 0x000000000077272d in spawn_thread_internal (a=0x2e1b740) at Thread.cc:88
      #19 0x00002aabd3d04851 in start_thread () from /lib64/libpthread.so.0
      #20 0x0000003296ee890d in clone () from /lib64/libc.so.6
      
      (gdb) frame 1
      #1  0x0000000000750cfe in UnixNetProcessor::connect_re_internal (this=0x1032fc0, cont=0x2aad4590d080, target=0x2aad4590d728, opt=0x2aac8b367600) at UnixNetProcessor.cc:247
      247	UnixNetProcessor.cc: No such file or directory.
      	in UnixNetProcessor.cc
      (gdb) print mutex
      $28 = (ProxyMutex *) 0x2aadf004d070
      (gdb) print *mutex
      $29 = {<RefCountObj> = {<ForceVFPTToTop> = {_vptr.ForceVFPTToTop = 0x77e890}, m_refcount = 16}, the_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, 
            __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}, thread_holding = 0x0, nthread_holding = 0}
      (gdb) print t
      $30 = (EThread *) 0x0
      (gdb) print cont
      $31 = (Continuation *) 0x2aad4590d080
      (gdb) print *cont
      $32 = {<force_VFPT_to_top> = {_vptr.force_VFPT_to_top = 0x7aaef0}, handler = (int (Continuation::*)(Continuation *, int, void *)) 0x5de4ce <HttpSM::main_handler(int, void*)>, mutex = {
          m_ptr = 0x2aadf004d070}, link = {<SLink<Continuation>> = {next = 0x0}, prev = 0x0}}
      

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        1. ts-3266.diff
          7 kB
          Susan Hinrichs

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              • Assignee:
                shinrich Susan Hinrichs
                Reporter:
                sudheerv Sudheer Vinukonda
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                Dates

                • Created:
                  Updated:
                  Resolved: