Internal error: Oops - SP/PC alignment exception

xiaojuan_qi — Mon, 06 Dec 2021 11:39:06 GMT

Hello,

Panic happened during our test.

Please help to check.

Linux kernel：Linux version 4.14.98

HW platform: NXP IMX8DX

Abort detail is as below. Thank you.

< 38.252653> 2019-03-31 16:00:27 [ 31.569574] [c0: kworker/0:2: 61]Internal error: Oops - SP/PC alignment exception: 8a000000 [#1] PREEMPT SMP < 38.260695> 2019-03-31 16:00:27 [ 31.577616] [c0: kworker/0:2: 61]Modules linked in: < 38.263763> 2019-03-31 16:00:27 [ 31.580684] [c0: kworker/0:2: 61] crc32_ce < 38.266047> 2019-03-31 16:00:27 [ 31.582968] [c0: kworker/0:2: 61] crct10dif_ce < 38.268686> 2019-03-31 16:00:27 [ 31.585607] [c0: kworker/0:2: 61]CPU: 0 PID: 61 Comm: kworker/0:2 Tainted: G W 4.14.98-akso-v1.0+g9cb413aec97a #1 < 38.278268> 2019-03-31 16:00:27 [ 31.595189] [c0: kworker/0:2: 61]Hardware name: Hirain i.MX8DX AKSO (DT) < 38.283166> 2019-03-31 16:00:27 [ 31.600087] [c0: kworker/0:2: 61]Workqueue: pm pm_runtime_work < 38.287184> 2019-03-31 16:00:27 [ 31.604105] [c0: kworker/0:2: 61]task: ffff800018022880 task.stack: ffff000009938000 < 38.293117> 2019-03-31 16:00:27 [ 31.610038] [c0: kworker/0:2: 61]PC is at 0xffff000000010101 < 38.296971> 2019-03-31 16:00:27 [ 31.613892] [c0: kworker/0:2: 61]LR is at clk_unprepare+0x2c/0x40 < 38.301248> 2019-03-31 16:00:27 [ 31.618169] [c0: kworker/0:2: 61]pc : [<ffff000000010101>] lr : [<ffff00000858aa0c>] pstate: 60000145 < 38.308656> 2019-03-31 16:00:27 [ 31.625577] [c0: kworker/0:2: 61]sp : ffff00000993bbf0 < 38.311977> 2019-03-31 16:00:27 [ 31.628898] [c0: kworker/0:2: 61]x29: ffff00000993bbf0 < 38.315389> 2019-03-31 16:00:27 [ 31.632310] [c0: kworker/0:2: 61]x28: 0000000000000000 < 38.318798> 2019-03-31 16:00:27 [ 31.635719] [c0: kworker/0:2: 61]x27: ffff000009456000 < 38.322209> 2019-03-31 16:00:27 [ 31.639130] [c0: kworker/0:2: 61]x26: ffff0000080f08b8 < 38.325616> 2019-03-31 16:00:27 [ 31.642537] [c0: kworker/0:2: 61]x25: ffff00000993bda0 < 38.329029> 2019-03-31 16:00:27 [ 31.645950] [c0: kworker/0:2: 61]x24: 000000075235ff1c < 38.332435> 2019-03-31 16:00:27 [ 31.649356] [c0: kworker/0:2: 61]x23: ffff800018503500 < 38.335841> 2019-03-31 16:00:27 [ 31.652762] [c0: kworker/0:2: 61]x22: ffff800018503100 < 38.339257> 2019-03-31 16:00:27 [ 31.656178] [c0: kworker/0:2: 61]x21: 0000000000000000 < 38.342670> 2019-03-31 16:00:27 [ 31.659591] [c0: kworker/0:2: 61]x20: ffff800018fd3b00 < 38.346086> 2019-03-31 16:00:27 [ 31.663006] [c0: kworker/0:2: 61]x19: ffff800018323400 < 38.349496> 2019-03-31 16:00:27 [ 31.666417] [c0: kworker/0:2: 61]x18: 00000000000007e2 < 38.352903> 2019-03-31 16:00:27 [ 31.669824] [c0: kworker/0:2: 61]x17: 0000ffff8fbe9060 < 38.356316> 2019-03-31 16:00:27 [ 31.673237] [c0: kworker/0:2: 61]x16: ffff0000082519f8 < 38.359724> 2019-03-31 16:00:27 [ 31.676645] [c0: kworker/0:2: 61]x15: 0000000000000013 < 38.363137> 2019-03-31 16:00:27 [ 31.680058] [c0: kworker/0:2: 61]x14: 0000000000000000 < 38.366551> 2019-03-31 16:00:27 [ 31.683472] [c0: kworker/0:2: 61]x13: 0000000000000000 < 38.369956> 2019-03-31 16:00:27 [ 31.686877] [c0: kworker/0:2: 61]x12: 000000072e88610e < 38.373362> 2019-03-31 16:00:27 [ 31.690283] [c0: kworker/0:2: 61]x11: 0000000000000000 < 38.376775> 2019-03-31 16:00:27 [ 31.693696] [c0: kworker/0:2: 61]x10: 0000000000000040 < 38.380182> 2019-03-31 16:00:27 [ 31.697103] [c0: kworker/0:2: 61]x9 : ffff000009479910 < 38.383597> 2019-03-31 16:00:27 [ 31.700518] [c0: kworker/0:2: 61]x8 : ffff80001a066db0 < 38.387012> 2019-03-31 16:00:27 [ 31.703933] [c0: kworker/0:2: 61]x7 : ffff800018022900 < 38.390423> 2019-03-31 16:00:27 [ 31.707344] [c0: kworker/0:2: 61]x6 : 0000000003311d9f < 38.393832> 2019-03-31 16:00:27 [ 31.710752] [c0: kworker/0:2: 61]x5 : 00000000000000b8 < 38.397243> 2019-03-31 16:00:27 [ 31.714164] [c0: kworker/0:2: 61]x4 : 0000000000000000 < 38.400650> 2019-03-31 16:00:27 [ 31.717571] [c0: kworker/0:2: 61]x3 : ffff800018022880 < 38.404063> 2019-03-31 16:00:27 [ 31.720984] [c0: kworker/0:2: 61]x2 : ffff000009669608 < 38.407472> 2019-03-31 16:00:27 [ 31.724393] [c0: kworker/0:2: 61]x1 : 0000000000000001 < 38.410884> 2019-03-31 16:00:27 [ 31.727805] [c0: kworker/0:2: 61]x0 : ffff000009669608 < 38.414301> 2019-03-31 16:00:27 [ 31.731222] [c0: kworker/0:2: 61]Process kworker/0:2 (pid: 61, stack limit = 0xffff000009938000) < 38.421273> 2019-03-31 16:00:27 [ 31.738194] [c0: kworker/0:2: 61]Call trace: < 38.423726> 2019-03-31 16:00:27 [ 31.740647] [c0: kworker/0:2: 61]Exception stack(0xffff00000993bab0 to 0xffff00000993bbf0) < 38.430180> 2019-03-31 16:00:27 [ 31.747101] [c0: kworker/0:2: 61]baa0: ffff000009669608 0000000000000001 < 38.438026> 2019-03-31 16:00:27 [ 31.754947] [c0: kworker/0:2: 61]bac0: ffff000009669608 ffff800018022880 0000000000000000 00000000000000b8 < 38.445871> 2019-03-31 16:00:27 [ 31.762792] [c0: kworker/0:2: 61]bae0: 0000000003311d9f ffff800018022900 ffff80001a066db0 ffff000009479910 < 38.453719> 2019-03-31 16:00:27 [ 31.770639] [c0: kworker/0:2: 61]bb00: 0000000000000040 0000000000000000 000000072e88610e 0000000000000000 < 38.461562> 2019-03-31 16:00:27 [ 31.778483] [c0: kworker/0:2: 61]bb20: 0000000000000000 0000000000000013 ffff0000082519f8 0000ffff8fbe9060 < 38.469407> 2019-03-31 16:00:27 [ 31.786328] [c0: kworker/0:2: 61]bb40: 00000000000007e2 ffff800018323400 ffff800018fd3b00 0000000000000000 < 38.477252> 2019-03-31 16:00:27 [ 31.794173] [c0: kworker/0:2: 61]bb60: ffff800018503100 ffff800018503500 000000075235ff1c ffff00000993bda0 < 38.485097> 2019-03-31 16:00:27 [ 31.802018] [c0: kworker/0:2: 61]bb80: ffff0000080f08b8 ffff000009456000 0000000000000000 ffff00000993bbf0 < 38.492941> 2019-03-31 16:00:27 [ 31.809862] [c0: kworker/0:2: 61]bba0: ffff00000858aa0c ffff00000993bbf0 ffff000000010101 0000000060000145 < 38.500786> 2019-03-31 16:00:27 [ 31.817707] [c0: kworker/0:2: 61]bbc0: ffff00000993bbe0 ffff0000085898f8 ffffffffffffffff ffff0000085898ec < 38.508629> 2019-03-31 16:00:27 [ 31.825550] [c0: kworker/0:2: 61]bbe0: ffff00000993bbf0 ffff000000010101 < 38.513519> 2019-03-31 16:00:27 [ 31.830439] [c0: kworker/0:2: 61][<ffff000000010101>] 0xffff000000010101 < 38.518411> 2019-03-31 16:00:27 [ 31.835332] [c0: kworker/0:2: 61][<ffff00000858aa0c>] clk_unprepare+0x2c/0x40 < 38.523741> 2019-03-31 16:00:27 [ 31.840662] [c0: kworker/0:2: 61][<ffff0000089c2df0>] sdhci_esdhc_runtime_suspend+0x110/0x128 < 38.530453> 2019-03-31 16:00:27 [ 31.847374] [c0: kworker/0:2: 61][<ffff0000086cdf20>] pm_generic_runtime_suspend+0x28/0x40 < 38.536909> 2019-03-31 16:00:27 [ 31.853830] [c0: kworker/0:2: 61][<ffff0000086de960>] genpd_runtime_suspend+0x88/0x240 < 38.543015> 2019-03-31 16:00:27 [ 31.859936] [c0: kworker/0:2: 61][<ffff0000086d0a90>] __rpm_callback+0xe0/0x268 < 38.548514> 2019-03-31 16:00:27 [ 31.865435] [c0: kworker/0:2: 61][<ffff0000086d0c6c>] rpm_callback+0x54/0x80 < 38.553753> 2019-03-31 16:00:27 [ 31.870674] [c0: kworker/0:2: 61][<ffff0000086d1130>] rpm_suspend+0xf8/0x658 < 38.558991> 2019-03-31 16:00:27 [ 31.875912] [c0: kworker/0:2: 61][<ffff0000086d1bb8>] pm_runtime_work+0x78/0xb8 < 38.564493> 2019-03-31 16:00:27 [ 31.881414] [c0: kworker/0:2: 61][<ffff0000080c7ae8>] process_one_work+0x1d8/0x4a0 < 38.570250> 2019-03-31 16:00:27 [ 31.887171] [c0: kworker/0:2: 61][<ffff0000080c7df8>] worker_thread+0x48/0x470 < 38.575664> 2019-03-31 16:00:27 [ 31.892585] [c0: kworker/0:2: 61][<ffff0000080ce078>] kthread+0x130/0x138 < 38.580640> 2019-03-31 16:00:27 [ 31.897561] [c0: kworker/0:2: 61][<ffff000008084ed0>] ret_from_fork+0x10/0x18 < 38.585969> 2019-03-31 16:00:27 [ 31.902890] [c0: kworker/0:2: 61]Code: bad PC value < 38.589034> 2019-03-31 16:00:27 [ 31.905955] [c0: kworker/0:2: 61]---[ end trace 836de98ae3b4fd26 ]---

Re: Internal error: Oops - SP/PC alignment exception

xiaojuan_qi — Wed, 08 Dec 2021 04:12:20 GMT

Is there anyone who met this panic before?

topic Internal error: Oops - SP/PC alignment exception in i.MX Processors

Internal error: Oops - SP/PC alignment exception

Re: Internal error: Oops - SP/PC alignment exception