imx8qxp crash issue ：kernel BUG at kernel/time/timer.c:1089!

mashaofeng — Wed, 18 Nov 2020 01:17:05 GMT

The follow issue occurred on our board , it seems the issue occurred frequently

[290634.509195] kernel BUG at kernel/time/timer.c:1089!
[290634.514170] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[290634.519746] Modules linked in:
[290634.522894] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.98 #1
[290634.528988] Hardware name: Freescale i.MX8QXP MEK (DT)
[290634.534220] task: ffff0000095c8380 task.stack: ffff0000095b0000
[290634.540240] PC is at add_timer+0x20/0x28
[290634.544256] LR is at lpuart32_int+0x600/0x680
[290634.548699] pc : [<ffff000008132c80>] lr : [<ffff00000863c660>] pstate: 400001c5
[290634.556186] sp : ffff000008003a90
[290634.559583] x29: ffff000008003a90 x28: ffff0000095c8380
[290634.564986] x27: 0000000000000000 x26: ffff0000092aaa30
[290634.570390] x25: ffff00000975cfd3 x24: ffff80007a929200
[290634.575794] x23: 000000000000003c x22: 00000000000001c0
[290634.581197] x21: 0000000041e0c000 x20: 0000000041e0c000
[290634.586601] x19: ffff80007a88cc18 x18: 0000ffffb18740b0
[290634.592005] x17: 0000ffffb1819bc0 x16: ffff000008134378
[290634.597408] x15: 0000ffffac002123 x14: 00004d0200160600
[290634.602812] x13: 0012100000011a08 x12: 0011060000121000
[290634.608216] x11: 00014b0b000f0600 x10: 0000000000000040
[290634.613619] x9 : ffff0000095d8ef0 x8 : ffff800078000248
[290634.619023] x7 : ffff800078000270 x6 : 0000000000000000
[290634.624426] x5 : ffff800078000248 x4 : 0000000000000000
[290634.629830] x3 : 00000000000001c0 x2 : ffff80007ff6d548
[290634.635233] x1 : 00000001045398da x0 : ffff80007a88ce20
[290634.640639] Process swapper/0 (pid: 0, stack limit = 0xffff0000095b0000)
[290634.647424] Call trace:
[290634.649964] Exception stack(0xffff000008003950 to 0xffff000008003a90)
[290634.656497] 3940: ffff80007a88ce20 00000001045398da
[290634.664420] 3960: ffff80007ff6d548 00000000000001c0 0000000000000000 ffff800078000248
[290634.672341] 3980: 0000000000000000 ffff800078000270 ffff800078000248 ffff0000095d8ef0
[290634.680266] 39a0: 0000000000000040 00014b0b000f0600 0011060000121000 0012100000011a08
[290634.688188] 39c0: 00004d0200160600 0000ffffac002123 ffff000008134378 0000ffffb1819bc0
[290634.696110] 39e0: 0000ffffb18740b0 ffff80007a88cc18 0000000041e0c000 0000000041e0c000
[290634.704033] 3a00: 00000000000001c0 000000000000003c ffff80007a929200 ffff00000975cfd3
[290634.711956] 3a20: ffff0000092aaa30 0000000000000000 ffff0000095c8380 ffff000008003a90
[290634.719880] 3a40: ffff00000863c660 ffff000008003a90 ffff000008132c80 00000000400001c5
[290634.727802] 3a60: ffff000008003a80 ffff0000080fe5c0 0000ffffffffffff 000000000000000b
[290634.735726] 3a80: ffff000008003a90 ffff000008132c80
[290634.740698] [<ffff000008132c80>] add_timer+0x20/0x28
[290634.745750] [<ffff00000863c660>] lpuart32_int+0x600/0x680
[290634.751245] [<ffff00000811c62c>] __handle_irq_event_percpu+0x5c/0x148
[290634.757777] [<ffff00000811c734>] handle_irq_event_percpu+0x1c/0x58
[290634.764049] [<ffff00000811c7b8>] handle_irq_event+0x48/0x78
[290634.769713] [<ffff0000081205b8>] handle_fasteoi_irq+0xa8/0x180
[290634.775638] [<ffff00000811b74c>] generic_handle_irq+0x24/0x38
[290634.781474] [<ffff00000811bdcc>] __handle_domain_irq+0x5c/0xb8
[290634.787401] [<ffff000008081960>] gic_handle_irq+0x78/0x174
[290634.792974] Exception stack(0xffff000008003c90 to 0xffff000008003dd0)
[290634.799508] 3c80: ffff80007a88cc18 0000000000000140
[290634.807434] 3ca0: 000000000000ba30 ffff00000ccb000c 0000000000008002 0000000000000000
[290634.815355] 3cc0: ffff80007a909358 000000005a08001c ffff800076b6d200 0000000000000000
[290634.823278] 3ce0: 00191f0008011c28 00014b0b000f0600 0011060000121000 0012100000011a08
[290634.831201] 3d00: 00004d0200160600 0000ffffac002123 ffff000008134378 0000ffffb1819bc0
[290634.839124] 3d20: 0000ffffb18740b0 ffff80007a88cc18 0000000000000080 0000000000000140
[290634.847049] 3d40: 0000000000000140 ffff000008003e78 dead000000000200 dead000000000100
[290634.854970] 3d60: ffff80007a9093e8 ffff0000095b5180 0000000000000000 ffff000008003dd0
[290634.862895] 3d80: ffff0000086390cc ffff000008003dd0 ffff000008e43270 0000000060000145
[290634.870816] 3da0: ffff80007a88cc18 0000000000000080 0000ffffffffffff 0000000000000140
[290634.878737] 3dc0: ffff000008003dd0 ffff000008e43270
[290634.883709] [<ffff000008083230>] el1_irq+0xb0/0x124
[290634.888682] [<ffff000008e43270>] _raw_spin_unlock_irqrestore+0x18/0x48
[290634.895301] [<ffff0000086390cc>] lpuart_dma_rx_complete+0xb4/0x1c0
[290634.901574] [<ffff00000859c5b8>] vchan_complete+0x178/0x1a8
[290634.907236] [<ffff0000080d3a2c>] tasklet_action+0x6c/0x108
[290634.912810] [<ffff000008081b8c>] __do_softirq+0x12c/0x228
[290634.918304] [<ffff0000080d3540>] irq_exit+0xc8/0x100
[290634.923358] [<ffff00000811bdd0>] __handle_domain_irq+0x60/0xb8
[290634.929282] [<ffff000008081960>] gic_handle_irq+0x78/0x174
[290634.934858] Exception stack(0xffff0000095b3dd0 to 0xffff0000095b3f10)
[290634.941396] 3dc0: 0000000000000000 0000000000000000
[290634.949316] 3de0: 0000000000000001 0000000000000000 ffff0000095a2388 ffff0000095b3f00
[290634.957241] 3e00: 0000800076983000 0000000000000000 0000000000000002 ffff0000095b3e90
[290634.965162] 3e20: 0000000000000980 0000000000000000 0000000000000000 0000000000000000
[290634.973085] 3e40: 0000000000000000 0000ffffac002123 ffff000008134378 0000ffffb1819bc0
[290634.981008] 3e60: 0000ffffb18740b0 ffff00000959c018 ffff0000095ba000 ffff0000095ba000
[290634.988933] 3e80: ffff0000095a7cc0 ffff0000095ba31c 0000000000000000 0000000000000000
[290634.996856] 3ea0: ffff0000095c8380 0000000000000400 0000000081670018 ffff0000095b3f10
[290635.004777] 3ec0: ffff00000808581c ffff0000095b3f10 ffff000008085820 0000000000000145
[290635.012703] 3ee0: 0000000000000000 00000000ffe77b84 ffffffffffffffff ffff000008142604
[290635.020624] 3f00: ffff0000095b3f10 ffff000008085820
[290635.025591] [<ffff000008083230>] el1_irq+0xb0/0x124
[290635.030564] [<ffff000008085820>] arch_cpu_idle+0x10/0x18
[290635.035968] [<ffff00000810c878>] do_idle+0x120/0x1e0
[290635.041021] [<ffff00000810cad4>] cpu_startup_entry+0x24/0x28
[290635.046776] [<ffff000008e3d218>] rest_init+0xd0/0xe0
[290635.051833] [<ffff000009470b70>] start_kernel+0x398/0x3ac
[290635.057323] Code: f9400801 97ffff41 a8c17bfd d65f03c0 (d4210000)
[290635.063513] ---[ end trace 74ff74989d6ec4f9 ]---
[290635.068222] Kernel panic - not syncing: Fatal exception in interrupt
[290635.074669] SMP: stopping secondary CPUs
[290636.078684] SMP: failed to stop secondary CPUs 0,2-3
[290636.083738] Kernel Offset: disabled
[290636.087317] CPU features: 0x0802008
[290636.090895] Memory Limit: none
[290636.094036] ---[ end Kernel panic - not syncing: Fatal exception in interrupt

i.MX Processorsのトピックimx8qxp crash issue ：kernel BUG at kernel/time/timer.c:1089!

imx8qxp crash issue ：kernel BUG at kernel/time/timer.c:1089!