anchao commented on pull request #4953:
URL: https://github.com/apache/incubator-nuttx/pull/4953#issuecomment-992128570


   
   > @anchao I tried the demo both with and without this PR, but I could not 
reproduce the symptom. Actually, a deadlock happened only with sim (both 
non-SMP and SMP) but it still happened without this PR. So, this might be 
another issue.
   
   @masayuki2009 we can not use this demo on sim platform(have while (1) ), SIM 
is a coroutine model(use setjmp/longjmp to implement context switch), the 
program can not yield the time slice if busy loop.


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