4G模组 ECM驱动BUG

• 以下是串口的日志

[E/DBG] [FATAL ERROR] Exception 13:Load Page Fault
[E/DBG] scause:0x000000000000000d,stval:0x0000006212705200,sepc:0x00000000001ca5f4
--------------Dump Registers-----------------
Function Registers:
ra(x1) = 0x00000000001ca5e6()
user_sp(x2) = 0x00000000005f74e0()
gp(x3) = 0x00000000003f1218()
tp(x4) = 0x00000000deadbeef()
Temporary Registers:
t0(x5) = 0x00000000005f7528()
t1(x6) = 0x0000000000634403()
t2(x7) = 0x00000000deadbeef()
t3(x28) = 0x00000000003c03f0()
t4(x29) = 0x0000000000000030()
t5(x30) = 0x0000000000000000()
t6(x31) = 0x00000000005f7529()
Saved Registers:
s0/fp(x8) = 0x0000000000634438()
s1(x9) = 0x00000000005f7508()
s2(x18) = 0x0000000000634380()
s3(x19) = 0x00000000005f7638()
s4(x20) = 0x00000000001c5cfc()
s5(x21) = 0x00000000001c56b8()
s6(x22) = 0x00000000004a41a8()
s7(x23) = 0x0000000000426e00()
s8(x24) = 0x00000000004bd81e()
s9(x25) = 0x00000000005f76bc()
s10(x26) = 0x0000000000000004()
s11(x27) = 0x0000000000000004()
Function Arguments Registers:
a0(x10) = 0x8000000200046022()
a1(x11) = 0x00000000005f750a()
a2(x12) = 0x0000000000000000()
a3(x13) = 0x0000000000634441()
a4(x14) = 0x7252726212705200()
a5(x15) = 0x7252726212705200()
a6(x16) = 0x0000000000000008()
a7(x17) = 0x0000000000000030()
sstatus = 0x8000000200046100
Supervisor Interrupt Disabled
Last Time Supervisor Interrupt Disabled
Last Privilege is Supervisor Mode
Permit to Access User Page
Not Permit to Read Executable-only Page
satp = 0x80000000000004bf
Current Page Table(Physical) = 0x00000000004bf000
Current ASID = 0x0000000000000000
Mode = Page-based 39-bit Virtual Addressing Mode
-----------------Dump OK---------------------
riscv64-unknown-linux-musl-addr2line -e rtthread.elf -a -f 00000000001ca5f0
[E/DBG] User Fault, killing thread: usbh_hub0
(rt_object_get_type((rt_object_t)thread) == RT_Object_Class_Thread) assertion failed at function:rt_thread_control, line number:745
riscv64-unknown-linux-musl-addr2line -e rtthread.elf -a -f 0000000000163752

• 以下是addr2line的结果

moon@ubuntu:~/zj_rtos_k230$ ^C
moon@ubuntu:~/zj_rtos_k230$ ~/.kendryte/k230_toolchains/Xuantie-900-gcc-linux-5.10.4-glibc-x86_64-V2.6.0/bin//riscv64-unknown-linux-gnu-addr2line -e src/rtsmart/rtsmart/kernel/bsp/maix3/rtthread.elf -a -f 00000000001ca5f0
0x00000000001ca5f0
netdev_register
/home/moon/zj_rtos_k230/src/rtsmart/rtsmart/kernel/rt-thread/components/net/netdev/src/netdev.c:89 (discriminator 3)
moon@ubuntu:~/zj_rtos_k230$ ~/.kendryte/k230_toolchains/Xuantie-900-gcc-linux-5.10.4-glibc-x86_64-V2.6.0/bin//riscv64-unknown-linux-gnu-addr2line -e src/rtsmart/rtsmart/kernel/bsp/maix3/rtthread.elf -a -f 0000000000163752
0x0000000000163752
_assert_backtrace_cb
/home/moon/zj_rtos_k230/src/rtsmart/rtsmart/kernel/bsp/maix3/c908/backtrace.c:81
moon@ubuntu:~/zj_rtos_k230$

1. 4G模组先上电开机
2. K230上电开机 立即正常枚举并联网
3. 关闭4G模组（此时K230依然是运行中的） - 并重新给4G模组上电 - 触发异常

对于你的回答，有些疑惑？
01的板子不是一个Type A的USB口，什么叫4G模组先上电开机？什么叫关闭4G模组？你是改了硬件电路图吗？

能否将更详细的描述复现步骤描述下，例如使用了什么命令？每一步都做了什么动作？以便于我本地也能复现到你的问题。