Ouss4 opened a new pull request #4669:
URL: https://github.com/apache/incubator-nuttx/pull/4669


   ## Summary
   
   If we repeatedly call `up_cpu_pause` and `up_cpu_resume`, there would be
   cases where the next call to `up_cpu_pause` happens while the other CPU is
   still responding to the previous resume request.  In this case the
   `DEBUGASSERT` will trigger.  We should allow the first CPU to wait until the
   other CPU has finished responding to the resume request.
   
   ## Impact
   Xtensa multicore chips.
   
   ## Testing
   `esp32-devkitc:wapi_smp` with other patches to come that makes it work again.
   


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