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  1. Core Server
  2. SERVER-44058

Spontaneous deadlock on mongos

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    Details

    • Type: Bug
    • Status: Waiting For User Input
    • Priority: Major - P3
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Operating System:
      ALL

      Description

      We've hit an issue with spontaneous mongos deadlocks. Unfortunately I can't provide any hints for reproducing it but I've managed to take a core dump from troubled mongos process. See attached file with stacktraces from the core dump.
      It looks like all threads are waiting for ThreadPoolTaskExecutor to release _mutex which is acquired by waitForEvent method waiting for some event.

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        1. bts.txt
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              Dates

              • Created:
                Updated: