imx8mm KERNEL PANIC

[santhosh2]

I am now getting new kernel panic when the video stream on is called from mx6s_capture.c code. how to analysis this k.panic

[ 68.303378] Internal error: undefined instruction: 0 [#1] PREEMPT SMP
[ 68.309821] Modules linked in: 8021q garp stp mrp tc358743_new(O) crc32_ce crct10dif_ce galcore(O)
[ 68.318793] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G O 4.14.78-imx_4.14.78_1.0.0_ga+g94da7bd #1
[ 68.328618] Hardware name: FSL i.MX8MM EVK board (DT)
[ 68.333669] task: ffff0000094e2580 task.stack: ffff0000094d0000
[ 68.339595] PC is at account_process_tick+0x28/0x148
[ 68.344562] LR is at update_process_times+0x20/0x58
[ 68.349439] pc : [<ffff0000080fb080>] lr : [<ffff000008132af8>] pstate: 000001c5
[ 68.356830] sp : ffff000008003de0
[ 68.360141] x29: ffff000008003de0 x28: 0000000fe146850a
[ 68.365454] x27: ffff000008141f18 x26: ffff80007df65940
[ 68.370767] x25: ffff80007df65950 x24: 0000000fe146850a
[ 68.376079] x23: 0000000000000001 x22: 0000000000000001
[ 68.381392] x21: 0000000fe1468681 x20: ffff80007df69d80
[ 68.386705] x19: ffff0000094c8000 x18: 0000000000000010
[ 68.392017] x17: 0000ffffb6c6e6f8 x16: ffff00000822a3d0
[ 68.397330] x15: ffffffffffffffff x14: 00003d090a325a00
[ 68.402642] x13: 0000000000007d00 x12: 0000000000000044
[ 68.407955] x11: 7fffffffffffffff x10: 0000000000000002
[ 68.413267] x9 : 0000000400000000 x8 : fffffff21a79ce92
[ 68.418579] x7 : 003d090a327dca43 x6 : ffff00000969f4f8
[ 68.423892] x5 : 000000187d000000 x4 : 0000000000000001
[ 68.429204] x3 : ffff000008003de0 x2 : ffff0000094c8d80
[ 68.434516] x1 : 0000000000000000 x0 : ffff0000094e2580
[ 68.439829] Process swapper/0 (pid: 0, stack limit = 0xffff0000094d0000)
[ 68.446528] Call trace:
[ 68.448975] Exception stack(0xffff000008003ca0 to 0xffff000008003de0)
[ 68.455416] 3ca0: ffff0000094e2580 0000000000000000 ffff0000094c8d80 ffff000008003de0
[ 68.463243] 3cc0: 0000000000000001 000000187d000000 ffff00000969f4f8 003d090a327dca43
[ 68.471071] 3ce0: fffffff21a79ce92 0000000400000000 0000000000000002 7fffffffffffffff
[ 68.478899] 3d00: 0000000000000044 0000000000007d00 00003d090a325a00 ffffffffffffffff
[ 68.486728] 3d20: ffff00000822a3d0 0000ffffb6c6e6f8 0000000000000010 ffff0000094c8000
[ 68.494558] 3d40: ffff80007df69d80 0000000fe1468681 0000000000000001 0000000000000001
[ 68.502385] 3d60: 0000000fe146850a ffff80007df65950 ffff80007df65940 ffff000008141f18
[ 68.510216] 3d80: 0000000fe146850a ffff000008003de0 ffff000008132af8 ffff000008003de0
[ 68.518043] 3da0: ffff0000080fb080 00000000000001c5 ffff000008141f18 0000000fe146850a
[ 68.525871] 3dc0: 0000ffffffffffff 000000000000003f ffff000008003de0 ffff0000080fb080
[ 68.533703] [<ffff0000080fb080>] account_process_tick+0x28/0x148
[ 68.539708] [<ffff000008132af8>] update_process_times+0x20/0x58
[ 68.545629] [<ffff000008141ef8>] tick_sched_handle.isra.4+0x30/0x50
[ 68.551893] [<ffff000008141f58>] tick_sched_timer+0x40/0x90
[ 68.557467] [<ffff000008133780>] __hrtimer_run_queues+0xe8/0x168
[ 68.563472] [<ffff000008133a00>] hrtimer_interrupt+0xa8/0x230
[ 68.569222] [<ffff000008ab4bc8>] arch_timer_handler_phys+0x28/0x48
[ 68.575403] [<ffff0000081209f8>] handle_percpu_devid_irq+0x80/0x138
[ 68.581670] [<ffff00000811b23c>] generic_handle_irq+0x24/0x38
[ 68.587415] [<ffff00000811b8bc>] __handle_domain_irq+0x5c/0xb8
[ 68.593249] [<ffff000008081960>] gic_handle_irq+0x78/0x174
[ 68.598732] Exception stack(0xffff0000094d3d80 to 0xffff0000094d3ec0)
[ 68.605171] 3d80: 0000000000000000 ffff80007df69d80 0000800074aa1000 0000000001d50e20
[ 68.612999] 3da0: 0000000000000016 00ffffffffffffff 00000000023dded9 0000000000000001
[ 68.620829] 3dc0: 000000000000c34f 0000000000000013 0000000000000980 0000000000000000
[ 68.628657] 3de0: 0000000000000001 0000000000000000 0000000000000000 ffffffffffffffff
[ 68.636487] 3e00: ffff00000822a3d0 0000ffffb6c6e6f8 0000000000000010 0000000fe73294e2
[ 68.644316] 3e20: 0000000000000000 ffff800076ced600 ffff800077028800 0000000000000000
[ 68.652143] 3e40: 0000000fe7325374 ffff800077028800 ffff0000094e2580 0000000000000400
[ 68.659971] 3e60: 0000000041790018 ffff0000094d3ec0 ffff000008a1d498 ffff0000094d3ec0
[ 68.667799] 3e80: ffff000008a1d49c 0000000060000145 ffff800077028800 0000000000000000
[ 68.675627] 3ea0: ffffffffffffffff ffff800077028800 ffff0000094d3ec0 ffff000008a1d49c
[ 68.683458] [<ffff000008083230>] el1_irq+0xb0/0x124
[ 68.688338] [<ffff000008a1d49c>] cpuidle_enter_state+0x134/0x228
[ 68.694344] [<ffff000008a1d5c8>] cpuidle_enter+0x18/0x20
[ 68.699657] [<ffff00000810ce94>] call_cpuidle+0x1c/0x40
[ 68.704883] [<ffff00000810d0e4>] do_idle+0x1a4/0x1e0
[ 68.709847] [<ffff00000810d2b8>] cpu_startup_entry+0x20/0x28
[ 68.715507] [<ffff000008d8d918>] rest_init+0xd0/0xe0
[ 68.720474] [<ffff000009390b70>] start_kernel+0x398/0x3ac
[ 68.725874] Code: b0009e73 d538d094 91360262 8b140054 (350007c4)
[ 68.731974] ---[ end trace ae08600282d9b842 ]---
[ 68.736591] Kernel panic - not syncing: Fatal exception in interrupt
[ 68.742944] SMP: stopping secondary CPUs
[ 68.746870] Kernel Offset: disabled
[ 68.750360] CPU features: 0x080200c
[ 68.753847] Memory Limit: none
[ 68.756903] Rebooting in 10 seconds..