RT-Thread-虚拟机qemu运行玄铁riscv32 e907 rtthread系统，多任务切换idle任务会跑飞，报EXC_INST_ILLEGAL类型的错误RT-Thread问答社区

虚拟机qemu运行玄铁riscv32 e907 rtthread系统，多任务切换idle任务会跑飞，报EXC_INST_ILLEGAL类型的错误

发布于 2024-04-22 14:26:23 浏览：330 订阅该版

qemu运行指令：

```
bin/qemu-system-riscv64 -machine smartl -cpu e907 -kernel melis30.elf -nographic -smp 1 -gdb tcp::2333 -S
```

运行后报EXC_INST_ILLEGAL异常：

```
L60,tick:0
[uart_set_baudrate 302]baudrate: 115200, quot = 13
[uart_set_baudrate 302]baudrate: 115200, quot = 13
awos_bsp_init:L105
awos_init_bootstrap:L89

===============================================================================================================
|                  /'\_/`\       (_ )  _                      ( )( )     /' _`\    /' _`\ 
|                  |     |   __   |version : V3.9.0                                                           |
|commitid:                                                                                                    |
|halgitid:                                                                                                    |
|sunxiver: 40000                                                                                              |
|timever : Mon, 22 Apr 2024 10:49:59 +0800                                                                    |
|compiler: gcc version 10.2.0 (Xuantie-900 elf newlib gcc Toolchain V2.6.2 B-20230916)                        |
|optimal : -Os -g -gdwarf-2 -gstrict-dwarf                                                                    |
|linker  : GNU ld (GNU Binutils) 2.35                                                                         |
|newlibc : 3.2.0                                                                                              |
|author  : root                                                                                               |
===============================================================================================================

awos_init_bootstrap:L94
L95,tick:0
awos_init_bootstrap:L99
rt_thread_idle_init start addr:0x00046d08
awos_init_bootstrap:L103
L104,tick:0
awos_init_bootstrap:L107
rt_system_scheduler_start:L179, thread name:tidle
schedule_preempt_inirq:L167
schedule_preempt_inirq:L173
schedule_preempt_inirq:L180
schedule_preempt_inirq:L194
rt_hw_context_switchL134: name:timer sp:0x48f28
rt_thread_timer_entry:L664
rt_thread_timer_entry:L672
rt_thread_timer_entry:L674
rt_hw_context_switchL134: name:kstartup sp:0x6d05c
awos_init_thread:L130
schedule_preempt_inirq:L167
schedule_preempt_inirq:L173
schedule_preempt_inirq:L180
schedule_preempt_inirq:L194
schedule_preempt_inirq:L198
schedule_preempt_inirq:L205
rt_hw_context_switchL134: name:tshell sp:0x6d1bc
schedule_preempt_inirq:L167
schedule_preempt_inirq:L173
schedule_preempt_inirq:L180
schedule_preempt_inirq:L194
schedule_preempt_inirq:L198
schedule_preempt_inirq:L205
finsh_thread_entry:L500
finsh_thread_entry:L547
msh >finsh_thread_entry:L566
finsh_thread_entry:L576
rt_hw_context_switchL134: name:kstartup sp:0x6d05c
rt_hw_context_switchL136: name:tshell sp:0x6d1bc
rt_hw_context_switchL143: name:tshell sp:0x6d1bc
rt_hw_context_switchL146: name:tshell sp:0x6d1bc
rt_hw_context_switchL149: name:tshell sp:0x6d1bc
rt_hw_context_switchL152: name:tshell sp:0x6d1bc
awos_init_thread:L135
schedule_preempt_inirq:L167
schedule_preempt_inirq:L173
schedule_preempt_inirq:L180
schedule_preempt_inirq:L194
rt_hw_context_switchL134: name:tidle sp:0x46bd4
rt_hw_context_switchL136: name:timer sp:0x48f28
rt_hw_context_switchL143: name:timer sp:0x48f28
rt_hw_context_switchL146: name:timer sp:0x48f28
rt_hw_context_switchL149: name:timer sp:0x48f28
rt_hw_context_switchL152: name:timer sp:0x48f28
schedule_preempt_inirq:L198
schedule_preempt_inirq:L205
fpu_save_inirq:L144
fpu_save_inirq:L149
fpu_save_inirq:L155
fpu_save_inirq:L162
fpu_save_inirq:L168
=====================================================================================================
                                         EXC_INST_ILLEGAL              
=====================================================================================================
thread: tidle, entry: 0x0001be1e, stack_base: 0x00046d08,stack_size: 0x00002000.

gprs:
 x0:0x00000000   ra:0x0001e754   sp:0x00048d08   gp:0x0003f0dc
 tp:0x00046bd4   t0:0x00005880   t1:0x00000001   t2:0x0000000a
 s0:0xffffffff   s1:0x0001be1e   a0:0x00000000   a1:0x00046bd4
 a2:0x00000001   a3:0x00000002   a4:0x00035b3c   a5:0x0004b228
 a6:0x40015000   a7:0x0000000a   s2:0x00000000   s3:0x0001e754
 s5:0xdeadbeef   s5:0xdeadbeef   s6:0xdeadbeef   s7:0xdeadbeef
 s8:0xdeadbeef   s9:0xdeadbeef  s10:0xdeadbeef  s11:0xdeadbeef
 t3:0x00000030   t4:0x00000020   t5:0x00000000   t6:0x00000020

other:
mepc    :0x000001d4
mstatus :0x00005880
mcratch:0x00000000
mtval   :0x00000000
mcause  :0x00000002

-------backtrace-----------
backtrace : 0X000001D4 
backtrace : 0X0001E750 
backtrace : invalid lr
---------------------------

tshell    0   0x2a2ec    suspend   21   0x6d188   10    16384       13920    09  0000 0000  [0x81000-0x85000]range  
       kstartup    0   0x1b442    closing   25   0x6d028   10    16384       15940    08  0000 0000  [0x75000-0x79000]
          tidle    0   0x1be1e    running   31   0x46ba0   32     8192        5640    31  0000 0000  [0x46d08-0x48d08]
          timer    0   0x1f4a6    suspend    8   0x48ef4   10     8192        7836    10  0000 0000  [0x49050-0x4b050]
    -------------------------------------------------------------------------------------------------------------------------
    memory info:
        Total  0x003b4000
        Used   0x000089d0
        Max    0x000089d0
    ------------------------------------------------memory information-------------------------------------------------------
dump stack memory:
0x00048d08: 0x00000000 0x00000000 0x00000000 0x0004b228 
0x00048d18: 0x00000000 0x30307830 0x38373033 0x00203333 
0x00048d28: 0x6d00203a 0x3a79726f 0x2d2d2d00 0x2d2d2d2d 
0x00048d38: 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 
0x00048d48: 0x2d2d2d2d 0x2d2d2d2d 0x6f6d656d 0x69207972 
0x00048d58: 0x726f666e 0x6974616d 0x2d2d6e6f 0x2d2d2d2d 
0x00048d68: 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 
0x00048d78: 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 
0x00048d88: 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 0x2d2d2d2d 
0x00048d98: 0x00000d2d 0x00000000 0x00000000 0x00000000 
0x00048da8: 0x00000000 0x00000000 0x0000001f 0x00046ba0 
0x00048db8: 0x00000000 0x0006d054 0x0006d054 0x00048dc4 
0x00048dc8: 0x00048dc4 0x00048dcc 0x00048dcc 0x00048dd4 
0x00048dd8: 0x00048dd4 0x00048ddc 0x00048ddc 0x00048de4 
0x00048de8: 0x00048de4 0x00048dec 0x00048dec 0x00048df4 
0x00048df8: 0x00048df4 0x00048dfc 0x00048dfc 0x00048e04 
0x00048e08: 0x00048e04 0x00048e0c 0x00048e0c 0x00048e14 
0x00048e18: 0x00048e14 0x00048e1c 0x00048e1c 0x00048e24 
0x00048e28: 0x00048e24 0x00048e2c 0x00048e2c 0x00048e34 
0x00048e38: 0x00048e34 0x00048e3c 0x00048e3c 0x00048e44 
0x00048e48: 0x00048e44 0x00048e4c 0x00048e4c 0x00048e54 
0x00048e58: 0x00048e54 0x00048e5c 0x00048e5c 0x00048e64 
0x00048e68: 0x00048e64 0x00048e6c 0x00048e6c 0x00048e74 
0x00048e78: 0x00048e74 0x00048e7c 0x00048e7c 0x00048e84 
0x00048e88: 0x00048e84 0x00048e8c 0x00048e8c 0x00048e94 
0x00048e98: 0x00048e94 0x00048e9c 0x00048e9c 0x00048ea4 
0x00048ea8: 0x00048ea4 0x00048eac 0x00048eac 0x00048eb4 
0x00048eb8: 0x00048eb4 0x00046bcc 0x00046bcc 0x80000000 
0x00048ec8: 0x00000000 0x00000000 0x00000000 0x00000000 
0x00048ed8: 0x00000000 0x00048edc 0x00048edc 0x00000000 
0x00048ee8: 0x00000000 0x00048eec 0x00048eec 0x656d6974 
0x00048ef8: 0x00000072 0x00000000 0x00000000 0x00000000

dump epc memory:
0x000001d4: 0x0050000b 0xc0161171 0x342022f3 0x0a02c463 
0x000001e4: 0x12970111 0x82930004 0x829304a2 0xa023f7c2 
0x000001f4: 0xa2230012 0xa4230022 0xa6230032 0xaa230042 
0x00000204: 0xac230062 0xae230072 0xa0230082 0xa2230292 
0x00000214: 0xa42302a2 0xa62302b2 0xa82302c2 0xaa2302d2 
0x00000224: 0xac2302e2 0xae2302f2 0xa0230302 0xa2230512 
0x00000234: 0xa4230522 0xa6230532 0xa8230542 0xaa230552 
0x00000244: 0xac230562 0xae230572 0xa0230582 0xa2230792 
0x00000254: 0xa42307a2 0xa62307b2 0xa82307c2 0xaa2307d2 
0x00000264: 0xac2307e2 0x257307f2 0xae233410 0x257306a2 
0x00000274: 0xa0233000 0x851608a2 0xffc12283 0xc816812a 
0x00000284: 0x4681b0ef 0x01114282 0xef1ff06f 0x00000013 
0x00000294: 0x00000013 0x00000013 0x00000013 0x00000013 
0x000002a4: 0x00000013 0x00000013 0x00000013 0x00000013 
0x000002b4: 0x00000013 0x00000013 0x00000013 0x00000013 
0x000002c4: 0x00000013 0xc0161161 0x22f3c21a 0xf2933420 
0x000002d4: 0x43613ff2 0x00628663 0x43124282 0xbddd0121 
0x000002e4: 0x43124282 0x71390121 0xc216c006 0xc61ec41a 
0x000002f4: 0xca2ec82a 0xce36cc32 0xd23ed03a 0xd646d442 
0x00000304: 0xda76d872 0xde7edc7a 0x00047297 0x88828293 
0x00000314: 0x0002a283 0x40829282 0x43224292 0x454243b2 
0x00000324: 0x466245d2 0x570246f2 0x58225792 0x5e4258b2 
0x00000334: 0x5f625ed2 0x61215ff2 0x30200073 0x00000000 
0x00000344: 0x00000000 0x00000000 0x00000000 0x00000000 
0x00000354: 0x00000000 0x00000000 0x00000000 0x00000000 
0x00000364: 0x00000000 0x00000000 0x00000000 0xa7030000 
0x00000374: 0x1141c081 0x883287b6 0x2883c606 0x863e00c7 
0x00000384: 0x872e86aa 0x0003a797 0x52478793 0x00080b63 
0x00000394: 0x0003a597 0x52858593 0x00ef8546 0xa0ef7f60 
0x000003a4: 0x97971be0 0x87930003 0x883eefa7 0x1141b7d5 
0x000003b4: 0x460186b2 0x3f65c606 0x45814629 0x3bb0206f 
0x000003c4: 0x460146a9 0x35f0206f 0xc6061141 0xc226c422 
finsh_thread_entry:L500
finsh_thread_entry:L547
msh >finsh_thread_entry:L566
finsh_thread_entry:L576
```