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  1. EtherNet/IP Core V3
  2. PSEIP-208

CT17: Connection Manager sporadically fails when RPI is set to 10 ms

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: V3.6.0.7, V3.6.1.0, V3.7.0.0
    • Component/s: None
    • Labels:
      None
    • Account:
      SPC EthernetIp Core (SPCETHERNET)

      Description

      In some rare cases, it was observed that the CT17: Connection Manager test fails when the RPI is set to 10 ms.

      The cause was a race condition, when, in parallel, a class 0/1 connection timed out and a new TCP stream was opened. Then the stack closed the new stream immediately, where it should only have closed the causal TCP stream over which the class 0/1 connection was opened.

      The timing of RPI=10ms tuned out to be just in in the "sweet spot" to reliably trigger the issue once in a few test runs.

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                • Reporter:
                  KMichel Kai Michel
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                  • Created:
                    Updated:
                    Resolved: