Kernel panic i2c

Jetpack 5.1.4
Custom board (with dev board the same behaver)

I get kernel panic when 2 cameras defined in device tree and not connected to the board.
In jetpack 4.6.x everything is fine.

When cameras are connected to the board everything is ok.
When only 1 camera is defined in DT and not connected everything is ok also.

Problem persists only when 2 cameras are defined and not connected.

[    6.346720] tegra-xudc 3550000.xudc: failed to get usbphy-0: -517
[    6.361813] imx678 1-001a: tegracam sensor driver:imx678_v2.0.6
[    6.362835] imx678 1-001a: imx678_board_setup: error during i2c read probe (-121)
[    6.363150] imx678 1-001a: board setup failed
[    6.367051] imx678: probe of 1-001a failed with error -121
[    6.377428] imx678 2-001a: tegracam sensor driver:imx678_v2.0.6
[    6.378359] Unable to handle kernel paging request at virtual address ffff46e06d7b6120
[    6.386141] Mem abort info:
[    6.388647]   ESR = 0x96000005
[    6.391734]   EC = 0x25: DABT (current EL), IL = 32 bits
[    6.397112]   SET = 0, FnV = 0
[    6.400236]   EA = 0, S1PTW = 0
[    6.403311] Data abort info:
[    6.406252]   ISV = 0, ISS = 0x00000005
[    6.409750]   CM = 0, WnR = 0
[    6.412891] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000250d22000
[    6.419584] [ffff46e06d7b6120] pgd=000000027fff8003, p4d=000000027fff8003, pud=0000000000000000
[    6.428313] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[    6.434496] Modules linked in:
[    6.437660] CPU: 2 PID: 114 Comm: kworker/2:3 Not tainted 5.10.216-tegra #7
[    6.444900] Hardware name: NVIDIA NVIDIA Jetson Xavier NX Developer Kit/Jetson, BIOS 6.0-37391689 08/28/2024
[    6.454461] Workqueue: events deferred_probe_work_func
[    6.459527] pstate: 60c00009 (nZCv daif +PAN +UAO -TCO BTYPE=--)
[    6.465660] pc : tegra_prod_set_tuple+0x38/0xa0
[    6.470278] lr : tegra_prod_set_tuple+0x28/0xa0
[    6.475039] sp : ffff800010c7b260
[    6.478074] x29: ffff800010c7b260 x28: ffffc1ee23118900 
[    6.483663] x27: 0000000000000000 x26: ffff46dfaa0e8ec0 
[    6.488826] x25: ffff800011761000 x24: 000000000000008c 
[    6.494167] x23: 0000000000000010 x22: ffff46de450a34e0 
[    6.499933] x21: ffff46de450a34e0 x20: 00000000000000ff 
[    6.505361] x19: ffff46de450ceb90 x18: 0000000000000010 
[    6.510529] x17: 00000000e84989de x16: 0000000000000068 
[    6.516334] x15: ffff46dfaa0e9430 x14: ffffffffffffffff 
[    6.521465] x13: 0000000000000030 x12: 0101010101010101 
[    6.527147] x11: 0000000000000040 x10: ffffc1ee231a7c60 
[    6.532446] x9 : 0000000000000008 x8 : 0000000000000008 
[    6.537996] x7 : ffffc1ee226c2870 x6 : 0000000000000020 
[    6.543116] x5 : 0000000000000020 x4 : 0000000000000005 
[    6.548765] x3 : 0000000000000308 x2 : 00000000ffff46de 
[    6.554127] x1 : ffff46de450ceb90 x0 : 00000000450e2588 
[    6.559180] Call trace:
[    6.561274] usb 1-2: new high-speed USB device number 2 using tegra-xusb
[    6.561642]  tegra_prod_set_tuple+0x38/0xa0
[    6.561696]  tegra_prod_set.part.0+0x5c/0x90
[    6.561727]  tegra_prod_set_by_name+0x7c/0xb0
[    6.581075]  tegra_i2c_config_prod_settings+0x74/0xb0
[    6.586133]  tegra_i2c_init+0xd4/0x320
[    6.590150]  tegra_i2c_xfer_msg.part.0+0x454/0x6d0
[    6.594706]  tegra_i2c_xfer+0x84/0x2d0
[    6.598745]  __i2c_transfer+0x1b8/0x6d0
[    6.602407]  i2c_transfer+0xe0/0x120
[    6.605921]  regmap_i2c_read+0x7c/0xd0
[    6.609965]  _regmap_raw_read+0xd8/0x2f0
[    6.613431]  _regmap_bus_read+0x58/0x90
[    6.617632]  _regmap_read+0x6c/0x1c0
[    6.621124]  regmap_read+0x54/0x80
[    6.624151]  imx678_probe+0x198/0x340
[    6.627607]  i2c_device_probe+0xb0/0x2e0
[    6.631801]  really_probe+0xf8/0x3f0
[    6.635177]  driver_probe_device+0x60/0x100
[    6.639334]  __device_attach_driver+0xb8/0xe0
[    6.643877]  bus_for_each_drv+0x8c/0xe0
[    6.647466]  __device_attach+0x100/0x190
[    6.651488]  device_initial_probe+0x28/0x40
[    6.655514]  bus_probe_device+0xa4/0xb0
[    6.659193]  device_add+0x36c/0x780
[    6.662728]  device_register+0x2c/0x40
[    6.666713]  i2c_new_client_device+0x148/0x280
[    6.670871]  of_i2c_register_device+0x88/0xb0
[    6.675287]  of_i2c_register_devices+0xa4/0x130
[    6.680015]  i2c_register_adapter+0x240/0x650
[    6.684132]  __i2c_add_numbered_adapter+0x64/0xb0
[    6.688771]  i2c_add_adapter+0xa8/0xe0
[    6.692962]  i2c_add_numbered_adapter+0x40/0x50
[    6.697692]  tegra_i2c_probe+0x4ec/0x6e0
[    6.701283]  platform_drv_probe+0x5c/0xb0
[    6.705481]  really_probe+0xf8/0x3f0
[    6.709156]  driver_probe_device+0x60/0x100
[    6.713182]  __device_attach_driver+0xb8/0xe0
[    6.717905]  bus_for_each_drv+0x8c/0xe0
[    6.721579]  __device_attach+0x100/0x190
[    6.725690]  device_initial_probe+0x28/0x40
[    6.726721] usb 1-2: New USB device found, idVendor=0bda, idProduct=5411, bcdDevice= 1.01
[    6.729761]  bus_probe_device+0xa4/0xb0
[    6.729787]  deferred_probe_work_func+0x90/0xd0
[    6.738032] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    6.741560]  process_one_work+0x1c4/0x4c0
[    6.741583]  worker_thread+0x200/0x450
[    6.746110] usb 1-2: Product: 4-Port USB 2.1 Hub
[    6.753357]  kthread+0x148/0x170
[    6.753378]  ret_from_fork+0x10/0x18
[    6.753471] Code: 35000054 b9400a74 b40002f3 29400a60 (f8607aa3) 
[    6.757576] usb 1-2: Manufacturer: Generic
[    6.761635] ---[ end trace 514367fe4189e21d ]---
[    6.769107] hub 1-2:1.0: USB hub found
[    6.769283] Kernel panic - not syncing: Oops: Fatal exception
[    6.769293] SMP: stopping secondary CPUs
[    6.769383] Kernel Offset: 0x41ee113e0000 from 0xffff800010000000
[    6.769386] PHYS_OFFSET: 0xffffb922c0000000
[    6.769395] CPU features: 0x48240002,03802a30
[    6.769400] Memory Limit: none
[    6.819069] ---[ end Kernel panic - not syncing: Oops: Fatal exception ]---

Could you remove all I2C access code to narrow down it.

I did it and then everything fine.

Maybe narrow down which line cause the panic.