RT-Thread-hard fault on thread: lte？RT-Thread问答社区

rtt studio环境，运行一段时间出现这个线程错误，实在想不明白，第一次接触RTT，求助各位大神。

[16:55:39.596]收←◆
!at!
[16:55:39.799]收←◆psr: 0x21000000
r00: 0x5ff7f06b
r01: 0x2000a8d0
r02: 0x08014798
r03: 0x00000025
r04: 0x2000a8d0
r05: 0x00000025
r06: 0x2000a96c
r07: 0x20001e70
r08: 0x0000000a
r09: 0x2000a624
r10: 0x080162a1
r11: 0x08014798
r12: 0x00000000
 lr: 0x08010903
 pc: 0x08010fa6
hard fault on thread: lte
thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
serial8   20  suspend 0x000000a0 0x00000400    27%   0x00000006 000
lte       18  running 0x000000c0 0x00001000    23%   0x00000008 000
serial4   20  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
serial3   20  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
serial2   25  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
at_clnt    9  suspend 0x000000f8 0x00000600    16%   0x00000005 000
tshell    20  suspend 0x000000cc 0x00001000    05%   0x0000000a 000
sys_work  23  suspend 0x00000084 0x00000800    06%   0x0000000a 000
tidle0    31  ready   0x00000074 0x00000400    14%   0x0000000e 000
timer      4  suspend 0x00000080 0x00000200    25%   0x00000009 000
bus fault:
SCB_CFSR_BFSR:0x82 PRECISERR SCB->BFAR:5FF7F06C

#include "lte.h"
#include "at.h"
#include "stdlib.h"
#include "string.h"
#include "stdio.h"
lte_para_typedef lte_para = {0};
at_response_t    resp     = RT_NULL;
/*******************************************************************************
*4G模块配置
*/
void lte_cfg_init(void)
{
    rt_pin_mode(power_en_Pin,  PIN_MODE_OUTPUT);
    rt_pin_mode(power_key_Pin, PIN_MODE_OUTPUT);
    at_client_init("uart7",1024);
    resp = at_create_resp(1024, 0, rt_tick_from_millisecond(5000));
}
/*******************************************************************************
*4G模块联网前状态检查
*/
void lte_checkstate_init(void)
{
  int ret;rt_uint8_t count;
  //参数
  __reset_function_entry:
  rt_memset(<e_para,0,sizeof(lte_para_typedef));
  lte_para.current_state = State_PowerOff_Restart;
  rt_kprintf("\r\n!init!\r\n");
  //开启
  power_enOFF;power_keyOFF;rt_thread_mdelay(2500);
  power_EnON;rt_thread_mdelay(10000);
  lte_para.current_state = State_AT;
  rt_kprintf("\r\n!poweron!\r\n");
  //AT
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;ret=at_client_wait_connect(5000);rt_thread_mdelay(100);
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_ATE0;
  rt_kprintf("\r\n!at!\r\n");
  //关闭回显
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"ATE0");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
      ret=-RT_ETIMEOUT;
      if(rt_strstr("\r\nOK\r\n",at_resp_get_line(resp,2))!=RT_NULL)
       {
         ret = RT_EOK;
       }
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CGMM;
  //模块型号
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+CGMM");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        at_resp_parse_line_args(resp,2,"%s",lte_para.M_Model);
        rt_kprintf("\r\nM_Model:%s!\r\n",lte_para.M_Model);
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CGMR;
  //模块固件版本号
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+CGMR");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        at_resp_parse_line_args(resp,2,"%s",lte_para.Firmware_version);
        rt_kprintf("\r\nFirmware_version:%s!\r\n",lte_para.Firmware_version);
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_QCCID;
  //请求SIM卡的ICCID
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+QCCID");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        at_resp_parse_line_args(resp,2,"+QCCID: %s",lte_para.SIM_CCID);
        rt_kprintf("\r\nSIM_CCID:%s!\r\n",lte_para.SIM_CCID);
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CIMI;
  //请求SIM卡的IMSI
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+CIMI");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        at_resp_parse_line_args(resp,2,"%s",lte_para.IMSI);
        rt_kprintf("\r\nIMSI:%s!\r\n",lte_para.IMSI);
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CGSN;
  //产品IMEI
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+CGSN");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        at_resp_parse_line_args(resp,2,"%s",lte_para.IMEI);
        rt_kprintf("\r\nIMEI:%s!\r\n",lte_para.IMEI);
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CPIN;
  //是否附着网络
  ret=-RT_ETIMEOUT;count = 0;
  do
  {
    count++;
    ret=at_exec_cmd(resp,"AT+CPIN?");
    rt_thread_mdelay(100);
    if(ret == RT_EOK)
    {
        ret=-RT_ETIMEOUT;
        if(rt_strstr(at_resp_get_line(resp,2),"READY")!=RT_NULL)
        {
            ret = RT_EOK;
        }
        rt_kprintf("\r\nAT+CPIN?back:%s!\r\n",at_resp_get_line(resp,2));
    }
  }while((ret != RT_EOK)&&(count<3));
  if(ret != RT_EOK){goto __reset_function_entry;}
  lte_para.current_state = State_CSQ;
}
/*******************************************************************************
*4G模块工作
*/
void lte_thread_entry(void *parameter)
{
  while(1)
  {
    lte_checkstate_init();
  }
}

/*
 * Copyright (c) 2006-2022, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2022-05-18     RT-Thread    first version
 */
#include <rtthread.h>
#define DBG_TAG "main"
#define DBG_LVL DBG_LOG
#include <rtdbg.h>
#include <board.h>
#include "uartx.h"
#include "systemrunx.h"
#include "lte.h"
int main(void)
{
    rt_thread_t thread;
    rt_timer_t  systemLed;
    hardware_gpio_cfg();
    uartx_config();
    lte_cfg_init();
    syspara_cfg();
    /*debug*/
    thread = rt_thread_create("serial2", serial2_thread_entry, RT_NULL, 1024, 25, 10);
    if(thread != RT_NULL){rt_thread_startup(thread);}
    /*驱动板*/
    thread = rt_thread_create("serial3", serial3_thread_entry, RT_NULL, 1024, 20, 10);
    if(thread != RT_NULL){rt_thread_startup(thread);}
    /*LCD*/
    thread = rt_thread_create("serial4", serial4_thread_entry, RT_NULL, 1024, 20, 10);
    if(thread != RT_NULL){rt_thread_startup(thread);}
    /*4g moudle*/
    thread = rt_thread_create("lte", lte_thread_entry, RT_NULL, 4096, 18, 20);
    if(thread != RT_NULL){rt_thread_startup(thread);}
    /*wifi*/
    thread = rt_thread_create("serial8", serial8_thread_entry, RT_NULL, 1024, 20, 10);
    if(thread != RT_NULL){rt_thread_startup(thread);}
    /*sys_led*/
    systemLed = rt_timer_create("led", system_led_entry, RT_NULL, 2000, RT_TIMER_FLAG_PERIODIC);
    if(systemLed != RT_NULL) rt_timer_start(systemLed);
    /*ec20_step*/
    return RT_EOK;
}

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2022-05-20     Administrator       the first version
 */
#include "systemrunx.h"
#include "uartx.h"
//系统运行指示灯GPIO配置
void sysled_gpio_cfg(void)
{
    rt_pin_mode(LED_Pin, PIN_MODE_OUTPUT);
}
//GPIO初始化
void hardware_gpio_cfg(void)
{
    sysled_gpio_cfg();
}
//参数初始化
void syspara_cfg(void)
{
}
void system_led_entry(void *parameter)
{
    static u_int8_t flag = PIN_LOW;
    rt_pin_write(LED_Pin, flag);
    if(flag == PIN_LOW){flag = PIN_HIGH;}
    else{flag = PIN_LOW;}
}

一下是串口打印信息

[16:54:44.165]收←◆\0
[16:54:47.476]收←◆
 \ | /
- RT -     Thread Operating System
 / | \     4.0.3 build Jun 16 2022
 2006 - 2020 Copyright by rt-thread team
[32m[I/sal.skt] Socket Abstraction Layer initialize success.[0m
[32m[I/at.clnt] AT client(V1.3.1) on device uart7 initialize success.[0m
!init!
msh >
[16:54:59.862]收←◆
!poweron!
[16:54:59.965]收←◆
!at!
[16:55:00.170]收←◆
M_Model:EC20F!
[16:55:00.276]收←◆
Firmware_version:EC20CEHDLGR06A07M1G!
[16:55:00.383]收←◆
SIM_CCID:89861118211034912320!
[16:55:00.490]收←◆
IMSI:460113307674877!
[16:55:00.596]收←◆
IMEI:865396055663872!
[16:55:00.704]收←◆
AT+CPIN?back:+CPIN: READY!
!init!
[16:55:13.070]收←◆
!poweron!
[16:55:13.174]收←◆
!at!
[16:55:13.379]收←◆
M_Model:EC20F!
[16:55:13.484]收←◆
Firmware_version:EC20CEHDLGR06A07M1G!
[16:55:13.593]收←◆
SIM_CCID:89861118211034912320!
[16:55:13.703]收←◆
IMSI:460039521054241!
[16:55:13.810]收←◆
IMEI:865396055663872!
[16:55:13.918]收←◆
AT+CPIN?back:+CPIN: READY!
!init!
[16:55:26.286]收←◆
!poweron!
[16:55:26.390]收←◆
!at!
[16:55:26.596]收←◆
M_Model:EC20F!
[16:55:26.700]收←◆
Firmware_version:EC20CEHDLGR06A07M1G!
[16:55:26.809]收←◆
SIM_CCID:89861118211034912320!
[16:55:26.919]收←◆
IMSI:460039521054241!
[16:55:27.026]收←◆
IMEI:865396055663872!
[16:55:27.132]收←◆
AT+CPIN?back:+CPIN: READY!
!init!
[16:55:39.495]收←◆
!poweron!
[16:55:39.596]收←◆
!at!
[16:55:39.799]收←◆psr: 0x21000000
r00: 0x5ff7f06b
r01: 0x2000a8d0
r02: 0x08014798
r03: 0x00000025
r04: 0x2000a8d0
r05: 0x00000025
r06: 0x2000a96c
r07: 0x20001e70
r08: 0x0000000a
r09: 0x2000a624
r10: 0x080162a1
r11: 0x08014798
r12: 0x00000000
 lr: 0x08010903
 pc: 0x08010fa6
hard fault on thread: lte
thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
serial8   20  suspend 0x000000a0 0x00000400    27%   0x00000006 000
lte       18  running 0x000000c0 0x00001000    23%   0x00000008 000
serial4   20  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
serial3   20  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
serial2   25  suspend 0x000000a0 0x00000400    15%   0x0000000a 000
at_clnt    9  suspend 0x000000f8 0x00000600    16%   0x00000005 000
tshell    20  suspend 0x000000cc 0x00001000    05%   0x0000000a 000
sys_work  23  suspend 0x00000084 0x00000800    06%   0x0000000a 000
tidle0    31  ready   0x00000074 0x00000400    14%   0x0000000e 000
timer      4  suspend 0x00000080 0x00000200    25%   0x00000009 000
bus fault:
SCB_CFSR_BFSR:0x82 PRECISERR SCB->BFAR:5FF7F06C