请教一下大神rtthread中栈总量设置在哪

你用什么芯片？用free命令看看还剩下多少内存。

stm32是在board.h中设置的

#define STM32_SRAM_SIZE (128)
#define STM32_SRAM_END  (0x20000000 + STM32_SRAM_SIZE * 1024)

下线程栈，启动后会出现奇迹，但是用一下免费就又挂了

msh />free
total memory: 523885944
used memory : 8760
maximum allocated memory: 15288data abort:Execption:
r00:0x00000000 r01:0x00000000 r02:0x8005a824 r03:0x0000000c
r04:0x8003cce0 r05:0xdeadbeef r06:0xdeadbeef r07:0xdeadbeef
r08:0x80064bc0 r09:0xdeadbeef r10:0xdeadbeef
fp :0x800560ac ip :0x80063a0e
sp :0x80064c08 lr :0x8003b814 pc :0x80018c3c
cpsr:0x60000192
thread   cpu pri  status      sp     stack size max used left tick  error
-------- --- ---  ------- ---------- ----------  ------  ---------- ---
tshell     0  20  running 0x000000d0 0x00001000    92%   0x0000000a 000
sys_work N/A  23  suspend 0x00000088 0x00000800    89%   0x0000000a 000
tidle3   N/A  31  ready   0x00000048 0x00000400    90%   0x00000020 000
tidle2   N/A  31  ready   0x00000048 0x00000400    71%   0x00000020 000
tidle1   N/A  31  ready   0x00000048 0x00000400    71%   0x00000020 000
tidle0   N/A  31  ready   0x00000064 0x00000400    71%   0x00000014 000
timer      0   0  init    0x8005a818 0x00000400    96%   0x00000009 000
shutdown...
(0) assertion failed at function:rt_hw_cpu_shutdown, line number:85

先查看下你的芯片ram有多大，然后分配空间，rtthread栈设置是在rt_system_heap_init函数中设置的