jiayadong8995 commented on PR #16662:
URL: https://github.com/apache/nuttx/pull/16662#issuecomment-3043290983

   > @jiayadong8995 maybe the crash is happening because you are calling 
usbserial write before the USB serial is enabled. I think it could happen when 
CONFIG_DEBUG is enabled
   When I reset to the commit `0a71cbe542`, the NuttX crash does not occur. 
Enabling the `SCHED_BACKTRACE` option also prevents the crash. However, the 
system crashes immediately upon flashing the compiled code in other cases, 
which is quite strange.  
   
   Notably, the focus of this PR is not on the crash issue but on syslog output.


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