Ouss4 commented on PR #6302:
URL: https://github.com/apache/incubator-nuttx/pull/6302#issuecomment-1135109660

   > > I was trying to look into it but couldn't find an immediate 
solution/explanation. We can see from the crash dump that SP is pointing at the 
very bottom of the stack: `0x 3ffe7a80` = base `3ffe7290` + size `0x7f0`. I 
thought it was an overflow but even increasing the stack size this situation 
persists. Also, it happens only on QEMU, on real hardware I can't see it.
   > 
   > @Ouss4 xtensa may need the similar fix #6198 after #6167.
   
   Is that coloring the IDLE stack of the CPUs?  For ESP32 we allocate the PRO 
CPU stack using `up_create_stack` which already includes stack coloration.


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