I have encountered kernel panics on booting my tx2i in about 50% chance.
It is PREEMPTed ubuntu 20.04 boot from SSD over SATA. Any chance to get some insight here?
Linux tx2i 4.9.201-tegra #1 SMP PREEMPT Fri Jan 15 14:54:23 PST 2021 aarch64 aarch64 aarch64 GNU/Linux
L4T-R32
[20210721-04:20:50.907924] [ 2.208345] cgroup: cgroup2: unknown option "nsdelegate"
[20210721-04:20:52.814873] [ 4.187309] random: crng init done
[20210721-04:20:53.804371] [ 4.190716] random: 7 urandom warning(s) missed due to ratelimiting
[20210721-04:20:53.807558] [ 4.752981] Unable to handle kernel paging request at virtual address 000fb42a
[20210721-04:20:54.396470] [ 4.760260] Mem abort info:
[20210721-04:20:54.398005] [ 4.763284] ESR = 0x96000021
[20210721-04:20:54.399609] [ 4.766381] Exception class = DABT (current EL), IL = 32 bits
[20210721-04:20:54.402595] [ 4.772312] SET = 0, FnV = 0
[20210721-04:20:54.404180] [ 4.775419] EA = 0, S1PTW = 0
[20210721-04:20:54.405873] [ 4.779022] Data abort info:
[20210721-04:20:54.407335] [ 4.781917] ISV = 0, ISS = 0x00000021
[20210721-04:20:54.409213] [ 4.785748] CM = 0, WnR = 0
[20210721-04:20:54.410651] [ 4.788753] user pgtable: 4k pages, 39-bit VAs, pgd = ffffffc1a16ba000
[20210721-04:20:54.413867] [ 4.796231] [00000000000fb42a] *pgd=0000000000000000, *pud=0000000000000000
[20210721-04:20:54.441081] [ 4.803272] Internal error: Oops: 96000021 [#1] PREEMPT SMP
[20210721-04:20:54.445334] [ 4.808835] Modules linked in: spidev ov5693(+) userspace_alert nvgpu bluedroid_pm ip_tables x_tables
[20210721-04:20:54.451688] [ 4.818119] CPU: 5 PID: 1856 Comm: kworker/5:1 Not tainted 4.9.201-tegra #1
[20210721-04:20:54.455824] [ 4.825067] Hardware name: storm (DT)
[20210721-04:20:54.457559] [ 4.828731] Workqueue: events read_wq_handler
[20210721-04:20:54.459588] [ 4.833088] task: ffffffc1a9deaa00 task.stack: ffffffc1a9f78000
[20210721-04:20:54.462343] [ 4.839001] PC is at __ll_sc_atomic_sub+0x4/0x18
[20210721-04:20:54.480522] [ 4.843612] LR is at squashfs_bh_to_actor+0x1d8/0x200
[20210721-04:20:54.483050] [ 4.848653] pc : [<ffffff8008457b6c>] lr : [<ffffff8008367190>] pstate: 20400045
[20210721-04:20:54.486595] [ 4.856035] sp : ffffffc1a9f7bc60
[20210721-04:20:54.488214] [ 4.859342] x29: ffffffc1a9f7bc60 x28: 0000000000000000
[20210721-04:20:54.491022] [ 4.864662] x27: 0000000000000248 x26: 0000000000000000
[20210721-04:20:54.493726] [ 4.869981] x25: 0000000000000000 x24: 0000000000000400
[20210721-04:20:54.496356] [ 4.875299] x23: ffffffc19fd30ec0 x22: ffffffc1ac381f00
[20210721-04:20:54.498935] [ 4.880616] x21: 000000000000000f x20: 0000000000000000
[20210721-04:20:54.523301] [ 4.885935] x19: 000000000000000f x18: 00000000000087f0
[20210721-04:20:54.526000] [ 4.891253] x17: 0000000000000001 x16: 0000000000000000
[20210721-04:20:54.528570] [ 4.896570] x15: 0000000000000078 x14: 00000000000004ff
[20210721-04:20:54.531142] [ 4.901888] x13: 0000000000001422 x12: 0000000000000400
[20210721-04:20:54.533784] [ 4.907208] x11: 0000000000000400 x10: 0000000000000a10
[20210721-04:20:54.536373] [ 4.912525] x9 : ffffffc1a9f7bd10 x8 : ffffffc1a9deb470
[20210721-04:20:54.538948] [ 4.917842] x7 : 0000000000000400 x6 : 00000000000002e1
[20210721-04:20:54.541523] [ 4.923160] x5 : 0000000000000400 x4 : 0000000000000004
[20210721-04:20:54.566197] [ 4.928478] x3 : 0000000000000003 x2 : 00000000000fb3ca
[20210721-04:20:54.568861] [ 4.933795] x1 : 00000000000fb42a x0 : 0000000000000001
[20210721-04:20:54.571502] [ 4.939114]
[20210721-04:20:54.572361] [ 4.940600] Process kworker/5:1 (pid: 1856, stack limit = 0xffffffc1a9f78000)
[20210721-04:20:54.575899] [ 4.947721] Call trace:
[20210721-04:20:54.577158] [ 4.950167] [<ffffff8008457b6c>] __ll_sc_atomic_sub+0x4/0x18
[20210721-04:20:54.579841] [ 4.955818] [<ffffff8008362108>] squashfs_process_blocks+0x2c8/0x388
[20210721-04:20:54.582916] [ 4.962160] [<ffffff80083621e8>] read_wq_handler+0x20/0x30
[20210721-04:20:54.585683] [ 4.967637] [<ffffff80080d40cc>] process_one_work+0x1e4/0x4b0
[20210721-04:20:54.615234] [ 4.973373] [<ffffff80080d43e8>] worker_thread+0x50/0x4c8
[20210721-04:20:54.617883] [ 4.978761] [<ffffff80080db074>] kthread+0xec/0xf0
[20210721-04:20:54.620187] [ 4.983543] [<ffffff80080838a0>] ret_from_fork+0x10/0x30
[20210721-04:20:54.622792] [ 4.988845] ---[ end trace b379e09d9ccf4816 ]---
[20210721-04:20:54.625141] [ 4.998576] Unable to handle kernel paging request at virtual address ffffffffffffffd8
[20210721-04:20:54.629113] [ 5.006487] Mem abort info:
[20210721-04:20:54.630557] [ 5.009274] ESR = 0x96000005
[20210721-04:20:54.632055] [ 5.012320] Exception class = DABT (current EL), IL = 32 bits
[20210721-04:20:54.634954] [ 5.018227] SET = 0, FnV = 0
[20210721-04:20:54.658337] [ 5.021272] EA = 0, S1PTW = 0
[20210721-04:20:54.660023] [ 5.024403] Data abort info:
[20210721-04:20:54.661575] [ 5.027275] ISV = 0, ISS = 0x00000005
[20210721-04:20:54.663432] [ 5.031101] CM = 0, WnR = 0
[20210721-04:20:54.664992] [ 5.034061] swapper pgtable: 4k pages, 39-bit VAs, pgd = ffffff800a1db000
[20210721-04:20:54.668180] [ 5.040837] [ffffffffffffffd8] *pgd=0000000000000000, *pud=0000000000000000
[20210721-04:20:54.671438] [ 5.047806] Internal error: Oops: 96000005 [#2] PREEMPT SMP
[20210721-04:20:54.674135] [ 5.053368] Modules linked in: tegra_udrm(-) spidev ov5693(+) userspace_alert nvgpu bluedroid_pm ip_tables x_tables
[20210721-04:20:54.701163] [ 5.063871] CPU: 5 PID: 1856 Comm: kworker/5:1 Tainted: G D 4.9.201-tegra #1
[20210721-04:20:54.705120] [ 5.072031] Hardware name: storm (DT)
[20210721-04:20:54.706874] [ 5.075691] task: ffffffc1a9deaa00 task.stack: ffffffc1a9f78000
[20210721-04:20:54.709728] [ 5.081604] PC is at kthread_data+0x24/0x30
[20210721-04:20:54.711783] [ 5.085780] LR is at wq_worker_sleeping+0x20/0xd0
[20210721-04:20:54.714155] [ 5.090473] pc : [<ffffff80080dbc64>] lr : [<ffffff80080d5510>] pstate: 804000c5
[20210721-04:20:54.717700] [ 5.097853] sp : ffffffc1a9f7b890
[20210721-04:20:54.719325] [ 5.101158] x29: ffffffc1a9f7b890 x28: ffffffc1a9deaa00
[20210721-04:20:54.744094] [ 5.106476] x27: ffffffc1adb30000 x26: 0000000000000000
[20210721-04:20:54.746701] [ 5.111793] x25: ffffff80080eaed4 x24: ffffffc1b5ff4d40
[20210721-04:20:54.749335] [ 5.117112] x23: ffffffc1a9deb0b0 x22: ffffff8009826000
[20210721-04:20:54.751984] [ 5.122428] x21: ffffff8009e68000 x20: ffffff8009832000
[20210721-04:20:54.754663] [ 5.127747] x19: ffffffc1a9deaa00 x18: 00000000fffffff1
[20210721-04:20:54.757218] [ 5.133068] x17: 0000000000000000 x16: 0000000000000000
[20210721-04:20:54.759735] [ 5.138385] x15: 0000000000000000 x14: 0000000000000001
[20210721-04:20:54.762309] [ 5.143702] x13: 0000000000000019 x12: 0000000000000033
[20210721-04:20:54.786968] [ 5.149020] x11: 000000000000004c x10: 0000000000000015
[20210721-04:20:54.789609] [ 5.154338] x9 : 0000000000000000 x8 : 0000000000000400
[20210721-04:20:54.792199] [ 5.159655] x7 : 0000000000000000 x6 : 00000000000002e1
[20210721-04:20:54.794873] [ 5.164972] x5 : 0000000000005400 x4 : 00000000020c0457
[20210721-04:20:54.797452] [ 5.170291] x3 : 0000000000000000 x2 : 00000005c0f59f4c
[20210721-04:20:54.799980] [ 5.175610] x1 : ffffffc1b5ff4d40 x0 : 0000000000000000
[20210721-04:20:54.802572] [ 5.180927]
[20210721-04:20:54.803401] [ 5.182413] Process kworker/5:1 (pid: 1856, stack limit = 0xffffffc1a9f78000)
[20210721-04:20:54.806977] [ 5.189534] Call trace:
[20210721-04:20:54.808396] [ 5.191978] [<ffffff80080dbc64>] kthread_data+0x24/0x30
[20210721-04:20:54.832488] [ 5.197197] [<ffffff8008f60e80>] __schedule+0x418/0x780
[20210721-04:20:54.835216] [ 5.202413] [<ffffff80080eaed4>] do_task_dead+0x74/0x78
[20210721-04:20:54.837789] [ 5.207629] [<ffffff80080b8930>] do_exit+0x6f8/0xa50
[20210721-04:20:54.840117] [ 5.212584] [<ffffff800808c15c>] die+0x194/0x198
[20210721-04:20:54.842303] [ 5.217191] [<ffffff80080a21cc>] __do_kernel_fault+0x144/0x218
[20210721-04:20:54.845135] [ 5.223012] [<ffffff80080a22e4>] do_bad_area+0x44/0x90
[20210721-04:20:54.847611] [ 5.228139] [<ffffff80080a2364>] do_alignment_fault+0x34/0x48
[20210721-04:20:54.850374] [ 5.233874] [<ffffff8008080954>] do_mem_abort+0x54/0xb0
[20210721-04:20:54.874911] [ 5.239088] [<ffffff8008082904>] el1_da+0x24/0xbc
[20210721-04:20:54.877223] [ 5.243784] [<ffffff8008362108>] squashfs_process_blocks+0x2c8/0x388
[20210721-04:20:54.880376] [ 5.250125] [<ffffff80083621e8>] read_wq_handler+0x20/0x30
[20210721-04:20:54.883189] [ 5.255600] [<ffffff80080d40cc>] process_one_work+0x1e4/0x4b0
[20210721-04:20:54.886067] [ 5.261334] [<ffffff80080d43e8>] worker_thread+0x50/0x4c8
[20210721-04:20:54.888665] [ 5.266720] [<ffffff80080db074>] kthread+0xec/0xf0
[20210721-04:20:54.890987] [ 5.271500] [<ffffff80080838a0>] ret_from_fork+0x10/0x30
[20210721-04:20:54.893620] [ 5.276804] ---[ end trace b379e09d9ccf4817 ]---
[20210721-04:20:54.901359] [ 5.286663] Fixing recursive fault but reboot is needed!