5 RT-Thread Nano系统在rt_inline void rt_list_remove(rt_list_t *n)发生BUS FAULT？

发布于 2024-04-19 22:45:54 浏览：457 订阅该版

![cmbacktrace](https://oss-club.rt-thread.org/uploads/20240419/85b786cf0e6d11c7295decbacb8e3b1b.png)
出错打印如下：

```
Firmware name: gd32f4xx, hardware version: 1.0.0, software version: 1.0.0
Fault on interrupt or bare metal(no OS) environment
===== Thread stack information =====
  addr: 20032cb8    data: 20007274
  addr: 20032cbc    data: 00038718
  addr: 20032cc0    data: 00000000
  addr: 20032cc4    data: 0800d93b
  addr: 20032cc8    data: 20007290
  addr: 20032ccc    data: 20007290
  addr: 20032cd0    data: 2002b5d8
  addr: 20032cd4    data: 00000000
  addr: 20032cd8    data: deadbeef
  addr: 20032cdc    data: 0800d8d1
  addr: 20032ce0    data: 00000004
  addr: 20032ce4    data: 08000957
  addr: 20032ce8    data: 00000004
  addr: 20032cec    data: fffffffd
  addr: 20032cf0    data: 20032d10
  addr: 20032cf4    data: 10000000
  addr: 20032cf8    data: f0000000
  addr: 20032cfc    data: 00000020
  addr: 20032d00    data: 00000018
  addr: 20032d04    data: 0800d47b
  addr: 20032d08    data: 0800d47a
  addr: 20032d0c    data: 21000000
====================================
=================== Registers information ====================
  R0 : 20007244  R1 : 20ffff01  R2 : 20007244  R3 : 00000001
  R12: 00000000  LR : 0800d7f5  PC : 0800c6cc  PSR: 6100000f
==============================================================
Bus fault is caused by imprecise data access violation

Firmware name: gd32f4xx, hardware version: 1.0.0, software version: 1.0.0
Fault on interrupt or bare metal(no OS) environment
===== Thread stack information =====
  addr: 20032c78    data: 20007274
  addr: 20032c7c    data: 00010e72
  addr: 20032c80    data: 00000000
  addr: 20032c84    data: 0800d933
  addr: 20032c88    data: 20007290
  addr: 20032c8c    data: 20007290
  addr: 20032c90    data: 2002b5d8
  addr: 20032c94    data: deadbeef
  addr: 20032c98    data: deadbeef
  addr: 20032c9c    data: 0800d8c9
  addr: 20032ca0    data: 00000004
  addr: 20032ca4    data: 0800094f
  addr: 20032ca8    data: 00000004
  addr: 20032cac    data: fffffffd
  addr: 20032cb0    data: 20032cd0
  addr: 20032cb4    data: 10000000
  addr: 20032cb8    data: f0000000
  addr: 20032cbc    data: 00000020
  addr: 20032cc0    data: 00000018
  addr: 20032cc4    data: 0800d473
  addr: 20032cc8    data: 0800d472
  addr: 20032ccc    data: 21000000
====================================
=================== Registers information ====================
  R0 : 20007244  R1 : 20ffff01  R2 : 20007244  R3 : 00000001
  R12: 00000000  LR : 0800d7ed  PC : 0800c6c4  PSR: 6100000f
==============================================================
Bus fault is caused by imprecise data access violation
Show more call stack info by run: addr2line -e gd32f4xx.axf -a -f 0800c6c4 0800d7ec 0800d932 0800d8c8 0800094e 0800d472
```

运行一段时间就会偶尔发生一次BUS FAULT，从系统滴答中断进入调用rt_tick_increase，再调用rt_timer_check，再调用rt_thread_timeout，最后调用rt_list_remove奔溃。
系统版本为NANO 3.1.5
难道线程链表的内存坏了？为什么？