Public bug reported:
The following logs are printed on the boot:
6087 2026-01-13T23:43:26.074980+00:00 gunyolk kernel: ------------[ cut here
]------------
6088 2026-01-13T23:43:26.074980+00:00 gunyolk kernel: WARNING: CPU: 128 PID:
1248 at drivers/i2c/busses/i2c-tegra.c:622 tegra_i2c_init+0x2f4/0x3b8
[i2c_tegra]
6089 2026-01-13T23:43:26.074980+00:00 gunyolk kernel: Modules linked in:
i2c_tegra(+) fjes(-) aes_neon_bs aes_neon_blk aes_ce_blk aes_ce_cipher
6090 2026-01-13T23:43:26.074981+00:00 gunyolk kernel: CPU: 128 PID: 1248 Comm:
(udev-worker) Not tainted 6.8.0-100-generic #100-Ubuntu
6091 2026-01-13T23:43:26.074981+00:00 gunyolk kernel: Hardware name:
Supermicro MBD-G1SMH/G1SMH, BIOS 2.1a 05/27/2025
6092 2026-01-13T23:43:26.074981+00:00 gunyolk kernel: pstate: 23400009 (nzCv
daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
6093 2026-01-13T23:43:26.074983+00:00 gunyolk kernel: pc :
tegra_i2c_init+0x2f4/0x3b8 [i2c_tegra]
6094 2026-01-13T23:43:26.074983+00:00 gunyolk kernel: lr :
tegra_i2c_init+0x34/0x3b8 [i2c_tegra]
6095 2026-01-13T23:43:26.074984+00:00 gunyolk kernel: sp : ffff80009a46b570
6096 2026-01-13T23:43:26.074984+00:00 gunyolk kernel: x29: ffff80009a46b570
x28: 0000000000000000 x27: 000000000000002c
6097 2026-01-13T23:43:26.074984+00:00 gunyolk kernel: x26: 0000000000000000
x25: 0000000000000000 x24: ffff10000c3b8068
6098 2026-01-13T23:43:26.074985+00:00 gunyolk kernel: x23: ffff00008dcecc10
x22: ffffffffffffffed x21: ffff00008dcecc00
6099 2026-01-13T23:43:26.074987+00:00 gunyolk kernel: x20: 0000000000000000
x19: ffff100015f65880 x18: ffff80009a3050c0
6100 2026-01-13T23:43:26.074987+00:00 gunyolk kernel: x17: 0000000000000000
x16: 0000000000000000 x15: 0000000000000000
6101 2026-01-13T23:43:26.074987+00:00 gunyolk kernel: x14: 0000000000000000
x13: 0000000000000000 x12: 0000000000000000
6102 2026-01-13T23:43:26.074988+00:00 gunyolk kernel: x11: 0000000000000000
x10: 0000000000000000 x9 : ffffba296d237dc0
6103 2026-01-13T23:43:26.074988+00:00 gunyolk kernel: x8 : ffff100008412d30 x7
: 0000000000000000 x6 : 0000000000000000
6104 2026-01-13T23:43:26.074988+00:00 gunyolk kernel: x5 : 0000000000000000 x4
: 0000000000000000 x3 : 0000000000000000
6105 2026-01-13T23:43:26.074989+00:00 gunyolk kernel: x2 : 0000000000000000 x1
: 0000000000000000 x0 : 00000000fffffffe
6106 2026-01-13T23:43:26.074991+00:00 gunyolk kernel: Call trace:
6107 2026-01-13T23:43:26.074991+00:00 gunyolk kernel:
tegra_i2c_init+0x2f4/0x3b8 [i2c_tegra]
6108 2026-01-13T23:43:26.074991+00:00 gunyolk kernel:
tegra_i2c_probe+0x400/0x7c8 [i2c_tegra]
6109 2026-01-13T23:43:26.074992+00:00 gunyolk kernel: platform_probe+0x74/0x118
6110 2026-01-13T23:43:26.074992+00:00 gunyolk kernel: really_probe+0x1c0/0x420
6111 2026-01-13T23:43:26.074992+00:00 gunyolk kernel:
__driver_probe_device+0x94/0x1d8
6112 2026-01-13T23:43:26.074995+00:00 gunyolk kernel:
driver_probe_device+0x48/0x188
6113 2026-01-13T23:43:26.074995+00:00 gunyolk kernel:
__driver_attach+0x14c/0x2c8
6114 2026-01-13T23:43:26.074995+00:00 gunyolk kernel:
bus_for_each_dev+0x88/0x110
6115 2026-01-13T23:43:26.074996+00:00 gunyolk kernel: driver_attach+0x30/0x60
6116 2026-01-13T23:43:26.074996+00:00 gunyolk kernel:
bus_add_driver+0x17c/0x2e8
6117 2026-01-13T23:43:26.074996+00:00 gunyolk kernel:
driver_register+0x68/0x178
6118 2026-01-13T23:43:26.074998+00:00 gunyolk kernel:
__platform_driver_register+0x34/0x60
6119 2026-01-13T23:43:26.074998+00:00 gunyolk kernel:
tegra_i2c_driver_init+0x2c/0xff8 [i2c_tegra]
6120 2026-01-13T23:43:26.074999+00:00 gunyolk kernel:
do_one_initcall+0x64/0x3b8
6121 2026-01-13T23:43:26.074999+00:00 gunyolk kernel: do_init_module+0xa4/0x280
6122 2026-01-13T23:43:26.074999+00:00 gunyolk kernel: load_module+0x810/0x958
6123 2026-01-13T23:43:26.075000+00:00 gunyolk kernel:
init_module_from_file+0x98/0x118
6124 2026-01-13T23:43:26.075000+00:00 gunyolk kernel:
idempotent_init_module+0x200/0x308
6125 2026-01-13T23:43:26.075002+00:00 gunyolk kernel:
__arm64_sys_finit_module+0x70/0xf8
6126 2026-01-13T23:43:26.075002+00:00 gunyolk kernel: invoke_syscall+0x7c/0x130
6127 2026-01-13T23:43:26.075002+00:00 gunyolk kernel:
el0_svc_common.constprop.0+0x4c/0x140
6128 2026-01-13T23:43:26.075003+00:00 gunyolk kernel: do_el0_svc+0x28/0x58
6129 2026-01-13T23:43:26.075003+00:00 gunyolk kernel: el0_svc+0x40/0x1c0
6130 2026-01-13T23:43:26.075003+00:00 gunyolk kernel:
el0t_64_sync_handler+0x148/0x158
6131 2026-01-13T23:43:26.075005+00:00 gunyolk kernel: el0t_64_sync+0x1b0/0x1b8
6132 2026-01-13T23:43:26.075006+00:00 gunyolk kernel: ---[ end trace
0000000000000000 ]---
The upstream patch that fixes this issue:
635bf3c88533 ("i2c: tegra: Use internal reset when reset property is not
available")
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2143152
Title:
Generic noble linux throws warning from file tegra-i2c.c
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