10 MQTT导致系统重启

发布于 2020-12-19 11:37:05 浏览：1900 订阅该版

[tocm]

# 问题描述
1.系统执行很长一段时间之后，可能会偶尔重启，查看系统日志发现是MQTT的断线重连之后会发生，如果自己测试断线重连没问题，一段时间后如果发生断线重连可能会复现这个错误

# 相关日志描述如下
```
[31m[E/mqtt] [20882391] wait Ping Response res: 0[0m
[0m[D/DBG] int
er mqtt_offline_callback![0m
[0m[D/mqtt] restart![0m
[0m[D/DBG] inter mqtt_connect_callback![0m
[0m[D/mqtt] ipv4 address port: 1883[0m
[0m[D/mqtt] HOST = '***.***.***.***'[0m
[32m[I/mqtt] MQTT server connect success.[0m
[32m[I/mqtt] Subscribe #0 /dev/mw/1122334455 OK![0m
[0m[D/DBG] inter mqtt_online_callback![0m
thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
mqoc      18  close   0x000000e0 0x00000400    55%   0x00000001 000
telnet    25  suspend 0x000001d0 0x00000800    25%   0x00000002 000
mqtt0     10  running 0x000001ec 0x00000800    59%   0x00000001 000
wcommuni  28  ready   0x00000080 0x00001000    52%   0x00000005 -02
wbroadca  27  ready   0x000001b0 0x00000800    57%   0x00000005 -02
mqde      24  ready   0x00000230 0x00000800    86%   0x00000002 000
mqht      29  suspend 0x000000e8 0x00000800    81%   0x00000004 000
mw_monit  30  suspend 0x00000094 0x00000800    34%   0x00000005 000
tshell    20  suspend 0x00000140 0x00001000    09%   0x00000002 000
ntp_sync  26  suspend 0x00000074 0x00000600    67%   0x00000002 000
sys_work  23  suspend 0x00000060 0x00000800    41%   0x00000009 000
tcpip     10  suspend 0x000000c8 0x00000400    69%   0x00000004 000
etx       12  suspend 0x00000094 0x00000400    14%   0x00000006 000
erx       12  suspend 0x00000098 0x00000400    54%   0x00000008 000
tidle0    31  ready   0x00000058 0x00000100    53%   0x00000020 000
main      10  suspend 0x0000010c 0x00000800    60%   0x00000012 000

Firmware name: rtthread, hardware version: 1.0, software version: 1.0
Fault on thread mqtt0
===== Thread stack information =====
  addr: 20012248    data: 00000000
  addr: 2001224c    data: 0800ee47
  addr: 20012250    data: 593846c2
  addr: 20012254    data: 00000000
  addr: 20012258    data: 00000000
  addr: 2001225c    data: 00000000
  addr: 20012260    data: 00000031
  addr: 20012264    data: 0800e9c7
  addr: 20012268    data: 00000031
  addr: 2001226c    data: 593846c2
  addr: 20012270    data: 00000000
  addr: 20012274    data: 00000000
  addr: 20012278    data: 00000031
  addr: 2001227c    data: 2000d004
  addr: 20012280    data: 39373036
  addr: 20012284    data: 0800e933
  addr: 20012288    data: 39373036
  addr: 2001228c    data: 00000003
  addr: 20012290    data: 00000077
  addr: 20012294    data: 00000000
  addr: 20012298    data: 00000000
  addr: 2001229c    data: 00000000
  addr: 200122a0    data: 2000d004
  addr: 200122a4    data: 20004ba8
  addr: 200122a8    data: 00000000
  addr: 200122ac    data: 2001167c
  addr: 200122b0    data: 00000001
  addr: 200122b4    data: 20004ba8
  addr: 200122b8    data: 00000003
  addr: 200122bc    data: 0000002e
  addr: 200122c0    data: 013eb7ef
  addr: 200122c4    data: 0803302f
  addr: 200122c8    data: 00000030
  addr: 200122cc    data: 0000226d
  addr: 200122d0    data: 593846c2
  addr: 200122d4    data: 00000000
  addr: 200122d8    data: 00000000
  addr: 200122dc    data: 2001168c
  addr: 200122e0    data: 39373036
  addr: 200122e4    data: 00000000
  addr: 200122e8    data: 593846c2
  addr: 200122ec    data: 00000000
  addr: 200122f0    data: 00000000
  addr: 200122f4    data: 00000014
  addr: 200122f8    data: 00000000
  addr: 200122fc    data: 00000010
  addr: 20012300    data: 00000000
  addr: 20012304    data: deadbeef
  addr: 20012308    data: deadbeef
  addr: 2001230c    data: deadbeef
  addr: 20012310    data: deadbeef
  addr: 20012314    data: deadbeef
  addr: 20012318    data: deadbeef
  addr: 2001231c    data: deadbeef
  addr: 20012320    data: deadbeef
  addr: 20012324    data: 0803e549
====================================
=================== Registers information ====================
  R0 : 593846c2  R1 : 80000000  R2 : 00000000  R3 : 593846c3
  R12: 00000000  LR : 0800ee47  PC : 08008b40  PSR: 81000000
==============================================================
Bus fault is caused by precise data access violation
The bus fault occurred address is 593846c2
Show more call stack info by run: addr2line -e rtthread.axf -a -f 08008b40 0800ee46 0800e9c6 0800e932 0803302e 
Current system tick: 20887535
```