[<ffffffff86391c0a>] do_trap_ecall_u+0x3d2/0x58c arch/riscv/kernel/traps.c:344
[<ffffffff863bb61e>] handle_exception+0x15e/0x16a arch/riscv/kernel/entry.S:232
Code: 9b3e 0513 020b 2097 fba7 80e7 99e0 4785 0713 020b (202f) 00f7 
---[ end trace 0000000000000000 ]---
Kernel panic - not syncing: Fatal exception in interrupt
SMP: stopping secondary CPUs
----------------
Code disassembly (best guess):
   0:	9b3e                	add	s6,s6,a5
   2:	020b0513          	addi	a0,s6,32
   6:	fba72097          	auipc	ra,0xfba72
   a:	99e080e7          	jalr	-1634(ra) # 0xfba719a4
   e:	4785                	li	a5,1
  10:	020b0713          	addi	a4,s6,32
* 14:	00f7202f          	amoadd.w	zero,a5,(a4) <-- trapping instruction