masayuki2009 edited a comment on pull request #5761:
URL: https://github.com/apache/incubator-nuttx/pull/5761#issuecomment-1072893725
@anchao
>The same issue also happens with raspberrypi-pico:nsh (non SMP).
It seems that the hardfault happened.
```
End of test memory usage:
VARIABLE BEFORE AFTER
======== ======== ========
arena 407d0 407d0
ordblks 4 5
mxordblk 39ba0 39ba0
uordblks 5180 5180
fordblks 3b650 3b650
user_main: pthread_rwlock test
pthread_rwlock: Initializing rwlock
b up_assert
Breakpoint 1 at 0x10004b60: file common/arm_assert.c, line 479.
Note: automatically using hardware breakpoints for read-only addresses.
(gdb) c
Continuing.
Thread 1 hit Breakpoint 1, up_assert (filename=filename@entry=0x10015780
"armv6-m/arm_hardfault.c", lineno=lineno@entry=123) at common/arm_assert.c:479
479 syslog_flush();
(gdb) where
#0 up_assert (filename=filename@entry=0x10015780 "armv6-m/arm_hardfault.c",
lineno=lineno@entry=123) at common/arm_assert.c:479
#1 0x10003772 in _assert (filename=filename@entry=0x10015780
"armv6-m/arm_hardfault.c", linenum=linenum@entry=123) at assert/lib_assert.c:36
#2 0x10000a5a in arm_hardfault (irq=<optimized out>, context=<optimized
out>, arg=<optimized out>) at armv6-m/arm_hardfault.c:123
#3 0x10001496 in irq_dispatch (irq=irq@entry=3, context=<optimized out>) at
irq/irq_dispatch.c:179
#4 0x100008ec in arm_doirq (irq=3, regs=0x0) at armv6-m/arm_doirq.c:70
#5 0x10000514 in exception_common () at armv6-m/arm_exception.S:188
```
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