[GitHub] [incubator-nuttx] btashton opened a new issue #2096: sim:smp Self Test Failure

[GitBox]

btashton opened a new issue #2096:
URL: https://github.com/apache/incubator-nuttx/issues/2096


   The `sim:smp` configuration is frequently failing:
   
   ```
   ❯ ./nuttx 
   
   NuttShell (NSH) NuttX-9.1.0
   nsh>smp
     Main[0]: Running on CPU0
     Main[0]: Initializing barrier
     Main[0]: Thread 1 created
     Main[0]: Now running on CPU1
   Thread[2]: Started
     Main[0]: Thread 2 created
   Thread[2]: Running on CPU1
     Main[0]: Now running on CPU2
   Thread[3]: Started
   <<LOCKED>>
   
   ❯ ./nuttx 
   
   NuttShell (NSH) NuttX-9.1.0
   nsh>smp
     Main[0]: Running on CPU0
     Main[0]: Initializing barrier
     Main[0]: Thread 1 created
     Main[0]: Now running on CPU1
   Thread[2]: Started
     Main[0]: Thread 2 created
   Thread[2]: Running on CPU1
     Main[0]: Now running on CPU2
   Thread[3]: Started
     Main[0]: Thread 3 created
   Thread[3]: Running on CPU2
     Main[0]: Now running on CPU3
   Thread[4]: Started
   Thread[4]: Running on CPU3
     Main[0]: Thread 4 created
     Main[0]: Now running on CPU2
   Thread[5]: Started
   Thread[5]: Running on CPU3
   Thread[4]: Now running on CPU1
     Main[0]: Thread 5 created
   Thread[2]: Now running on CPU3
     Main[0]: Now running on CPU3
   Thread[5]: Now running on CPU1
   Thread[6]: Started
   Thread[4]: Now running on CPU2
     Main[0]: Thread 6 created
   Thread[6]: Running on CPU2
   Thread[2]: Now running on CPU1
     Main[0]: Now running on CPU2
   Thread[5]: Now running on CPU3
   Thread[4]: Now running on CPU3
   Segmentation fault (core dumped)
   
   ❯ ./nuttx 
   
   NuttShell (NSH) NuttX-9.1.0
   nsh>smp
     Main[0]: Running on CPU0
     Main[0]: Initializing barrier
     Main[0]: Thread 1 created
     Main[0]: Now running on CPU1
   Thread[2]: Started
     Main[0]: Thread 2 created
   Thread[2]: Running on CPU1
     Main[0]: Now running on CPU2
   Thread[3]: Started
     Main[0]: Thread 3 created
   Thread[3]: Running on CPU2
     Main[0]: Now running on CPU3
   Thread[4]: Started
   Thread[4]: Running on CPU3
     Main[0]: Thread 4 created
     Main[0]: Now running on CPU2
   Thread[5]: Started
   Thread[2]: Now running on CPU3
     Main[0]: Thread 5 created
   Thread[5]: Running on CPU1
   <<BLOCKED>>
   ```


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