xiaotailang opened a new issue, #11532:
URL: https://github.com/apache/nuttx/issues/11532

   I am trying to use the posix signal interface on the stm32. After opening 
the configuration items SIG_DEFAULT and CONFIG_SIG_SIGKILL_ACTION, the system 
will be stuck at the memcpy((uint32_t *)regs[REG_R1], regulators, 
XCPTCONTEXT_SIZE); in the up_svcall function of the up_svcall.c file during 
system startup. Is there an additional configuration item that I have missed if 
I want to support signal?


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