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  1. Core Server
  2. SERVER-53566

Investigate and reproduce "opCtx != nullptr && _opCtx == nullptr" invariant

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Details

    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.9.0, 4.4.5, 4.0.24, 4.2.14
    • None
    • Fully Compatible
    • v4.4, v4.2, v4.0
    • Service Arch 2021-03-08, Service Arch 2021-03-22, Service Arch 2021-04-05
    • 5

    Description

      There seems to be an unknown issue causing a particular invariant to occasionally get hit, which results in nodes unexpectedly terminating. The invariant is improved as part of SERVER-49468 but this ticket is to track a root cause investigation.

      Someone needs to spend some dedicated time in order to try and unwind what may be happening here and determine the steps required to reproduce this particular bug. 

      Acceptance Criteria:  Either:

      • A set of procedures that a user might be able to implement which causes the invariants to trigger. 
      • A plan for how to add additional, backportable, diagnostic data that will allow us to properly track down the cause of this invariant being triggered. 

      Attachments

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. SERVER-57007 MongoDB version 4.4.4 service crashed

          • Major - P3 - Major loss of function.
          • Closed
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-52735 mongodb crash with "Invariant failure" opCtx != nullptr && _opCtx == nullptr

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-53857 Successive segfaults of several cluster members

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-59350 Invariant failure exception

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-60303 Mongodb PSS all nodes crashed

          • Major - P3 - Major loss of function.
          • Closed
          is related to

          Question - SERVER-53482 Invariant failure: opCtx != nullptr && _opCtx == nullptr in src/mongo/db/client.cpp, line: 126

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Bug - A problem which impairs or prevents the functions of the product. SERVER-49468 Invalidate previous OperationContext when a new OperationContext is created

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-52735 mongodb crash with "Invariant failure" opCtx != nullptr && _opCtx == nullptr

          • Major - P3 - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. SERVER-53857 Successive segfaults of several cluster members

          • Major - P3 - Major loss of function.
          • Closed

          Question - SERVER-53747 replica set down after setFeatureCompatibilityVersion 4.4

          • Major - P3 - Major loss of function.
          • Closed

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              Dates

                Created:
                Updated:
                Resolved: