板端卡死时的串口提示信息

跑sample_venc一段时间后，出现内核卡死，板子没反应了，串口提示如下：

Bad mode in (null) handler detected
Internal error: Oops - bad mode: 0 [#1] SMP THUMB2
Modules linked in: ot_km(O) ot_cipher(O) ot_pm(PO) ot_uvc(PO) ot_aiisp(PO) ot_mipi_rx(O) ot_acodec(PO) ot_adec(PO) ot_aenc(PO) ot_ao(PO) ot_ai(PO) ot_aio(PO) ot_sensor_i2c(O) ot_piris(O) ot_pwm(O) ot_ive(PO) ot_svp_npu(PO) ot_jpege(PO) ot_svac3e(PO) ot_h265e(PO) ot_h264e(PO) ot_venc(PO) ot_rc(PO) ot_chnl(PO) ot_isp(O) ot_vi(PO) ot_vpss(PO) ot_vgs(PO) ot_vpp(PO) ot_rgn(PO) ot_sys(PO) ot_vca(PO) ot_vb(PO) ot_base(PO) ot_mmz(O) ot_osal(O) sys_config(O)
CPU: 0 PID: 0 Comm: swapper/0 Tainted: P O 5.10.221 #1
Hardware name: HI35XX
PC is at 0xffff11be
LR is at aeabi_idivmod+0x7/0x16
pc : [] lr : [] psr: 600001bb
sp : c0801b80 ip : 00000001 fp : 00000000
r10: 00000000 r9 : 00000018 r8 : bf9da120
r7 : 00000000 r6 : bf9da120 r5 : 00000000 r4 : bf9d6e08
r3 : bf9da134 r2 : 00000003 r1 : 00000001 r0 : ffff11c8
Flags: nZCv IRQs off FIQs on Mode UND_32 ISA Thumb Segment none
Control: 50c5387d Table: 418f406a DAC: 00000000
Process swapper/0 (pid: 0, stack limit = 0x145175a6)
Stack: (0xc0801b80 to 0xc0802000)
1b80: ffff11c8 00000001 00000003 bf9da134 bf9d6e08 00000000 bf9da120 00000000
1ba0: bf9da120 00000018 00000000 00000000 00000001 c0801b80 c02a9cc3 ffff11be
1bc0: 600001bb ffffffff 00000000 00000001 00000014 bf9a3119 bf9da134 00000000
1be0: bf9d6e08 bf9a32a7 c0801cac 00000060 00000001 bf8f5c21 00000000 00000000
1c00: 00000000 00000018 00000001 00000001 00000001 bf9da134 00000001 00000000
1c20: 00000000 00000001 00000001 00000000 00000000 bf8546cf 00000007 c0801cec
1c40: 00000001 00000001 00100000 00000000 00000000 00000b90 00000680 74677e94
1c60: 00000680 00000000 00000000 bf9da120 bf9d6e08 bf9d6e08 00000000 00000000
1c80: 00000000 bf9a36f5 00000000 c0801d14 c0c2a880 c012a1d3 00000000 c0801d5c
1ca0: 00000000 00000000 c0728e00 00000000 bf87dd60 c0801d10 bf9c09c0 c0801ce8
1cc0: 0000000c c010187b c0801ce8 bf875aaf bf875a91 74677e94 00000000 bf9d6e08
1ce0: 00000000 00000000 00000100 bf9c09c0 00000000 00000000 00000000 bf9a6131
1d00: 00000000 c0802d00 c0c18300 c012a417 00000000 74677e94 bf9d6e08 00000000
1d20: 00000000 bf9d6e08 00000100 00000000 00000000 bf9a64df 00000000 00000000
1d40: 00000000 00000000 00000110 74677e94 bf9d6e08 bf9dee68 00000100 00000000
1d60: 00000000 bf9dfebc 00000000 bf9a6671 00000000 00000000 80000193 00000000
1d80: bf9dee78 00000001 00000000 80000193 60000193 74677e94 c0c2a7c0 00000001
1da0: 00000034 bf9f206c 00010000 00000034 bf9d6e08 bf9c0a2c 00000000 bf9a694d
1dc0: 00000000 bf87806d 80000193 74677e94 00010000 00000034 bf87dd60 bf80aa6b
1de0: 0000000d 74677e94 00000000 00000000 00000000 00000000 00000000 74677e94
1e00: 00000034 a3ceb0aa 00000034 a3ceb0a6 bf94acad 00010000 00000034 c08356a7
1e20: c05e5f3b bf94ad41 0000025f 00000000 00000000 00010000 00010000 00000000
1e40: c1f98e00 0003d2b0 00000000 00010000 00010000 00000000 00000000 c012b06d
1e60: c0801e88 74677e94 c1f98e00 c1b02000 c0dc8500 c0dc8500 c0801ec0 00000000
1e80: 00000034 c08356a7 c05e5f3b c013a2ef c0dc8500 c0801ec0 c0dc8500 c0dc8500
1ea0: c0dc8500 c0dc856c c0dc856c c081e514 c0800000 50c5387d 00000000 c013a37d
1ec0: 00000000 74677e94 c0dc8500 c0dc8500 c0804124 c013a3e7 c0dc8500 c0804124
1ee0: c0dc8518 c013d117 c013d0b5 00000000 00000000 c0c0c000 00000001 c0139ab5
1f00: 0000004a c0139e95 c0801f38 c0801f38 c07282d8 c0804124 c2802000 c010134f
1f20: c0105fd2 40000033 ffffffff c0801f6c 00000001 c0100b65 00735024 00000000
1f40: 00735024 c010cd61 c0800000 00000001 c0803e98 c0803edc 00000001 c071a8e0
1f60: 50c5387d 00000000 c080003c c0801f88 c0105fdb c0105fd2 40000033 ffffffff
1f80: 00000051 00000000 00000000 c04dc123 00000000 c0127683 00200002 000000dc
1fa0: c0844558 c0803e40 00000000 c0127837 00200002 c0700adf ffffffff ffffffff
1fc0: 00000000 c0700625 00000000 c071a8e0 74627449 00000000 00000000 c07004a8
1fe0: 00000051 10c0387d 00001f41 40000000 410fc075 00000000 00000000 00000000
[] (aeabi_idivmod) from [] (cleanup_module+0x24e7c/0xd48 [ot_isp])
Code: 8f00 f00e 0e0f a002 (f850) e02e
—-[ end trace 5a1aad41f5d817ae ]—-
Kernel panic - not syncing: Fatal exception in interrupt
CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Tainted: P D O 5.10.221 #1
Hardware name: HI35XX
[] (unwind_backtrace) from [] (show_stack+0xb/0xc)
[] (show_stack) from [] (dump_stack+0x5f/0x74)
[] (dump_stack) from [] (do_handle_IPI+0x51/0xcc)
[] (do_handle_IPI) from [] (ipi_handler+0xd/0x14)
[] (ipi_handler) from [] (generic_handle_irq+0x19/0x22)
[] (generic_handle_irq) from [] (handle_domain_irq+0x55/0x64)
[] (handle_domain_irq) from [] (gic_handle_irq+0x53/0x64)
[] (gic_handle_irq) from [] (irq_svc+0x65/0x94)
Exception stack(0xc0c61f78 to 0xc0c61fc0)
1f60: 00969efc 00000000
1f80: 00969efc c010cd61 c0c60000 00000002 c0803e98 c0803edc 4000406a 410fc075
1fa0: 00000000 00000000 c0c6003c c0c61fc8 c0105fdb c0105fd2 40000033 ffffffff
[] (irq_svc) from [] (arch_cpu_idle+0xc/0x1e)
[] (arch_cpu_idle) from [] (default_idle_call+0x1f/0x28)
[] (default_idle_call) from [] (do_idle+0x7b/0xac)
[] (do_idle) from [] (cpu_startup_entry+0x13/0x14)
[] (cpu_startup_entry) from [<40101571>] (0x40101571)
—-[ end Kernel panic - not syncing: Fatal exception in interrupt ]—-

请问下，可能是什么原因呢？