new issue on stable-rt/v6.1-rt

Hello,

New boot regression found on stable-rt/v6.1-rt:

 WARNING at drivers/base/core.c:2508 device_release+0x80/0x90
[logspec:generic_linux_boot,linux.kernel.warning]

- Dashboard: https://staging.dashboard.kernelci.org:9000/issue/maestro:701cda418eb650a69618338785a8d492bded338d/version/1
- Grafana: https://grafana.kernelci.org/d/issue/issue?var-id=maestro:701cda418eb650a69618338785a8d492bded338d

Log excerpt:
[    7.346263] Device 'mediablk-mipi-dsi-1' does not have a release()
function, it is broken and must be fixed. See
Documentation/core-api/kobject.rst.
[    7.346290] WARNING: CPU: 0 PID: 9 at drivers/base/core.c:2508
device_release+0x80/0x90
[    7.346299] Modules linked in: caam flexcan rtc_snvs error
snvs_pwrkey spi_imx can_dev governor_userspace imx_bus pwm_imx27
imx8mm_thermal imx_cpufreq_dt
[    7.346327] CPU: 0 PID: 9 Comm: kworker/u8:0 Tainted: G        W
      6.1.127-rt48 #1
[    7.346332] Hardware name: Toradex Verdin iMX8M Plus on Dahlia Board (DT)
[    7.346334] Workqueue: events_unbound deferred_probe_work_func
[    7.346340] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    7.346346] pc : device_release+0x80/0x90
[    7.346352] lr : device_release+0x80/0x90
[    7.346360] sp : ffff80000a71b910
[    7.346362] x29: ffff80000a71b910 x28: 00000000fffffdfb x27: ffff0000c7634c80
[    7.346372] x26: 0000000000000002 x25: ffff80000935a2f0 x24: 0000000000000023
[    7.346382] x23: ffff80000a58bdc8 x22: 0000000000000000 x21: ffff80000989f6a0
[    7.346392] x20: 0000000000000000 x19: ffff0000c7634080 x18: fffffffffffe6658
[    7.346404] x17: 6620656220747375 x16: 6d20646e61206e65 x15: 62207473756d2064
[    7.346414] x14: 6e61206e656b6f72 x13: 6220736920746920 x12: 2c6e6f6974636e75
[    7.346426] x11: 2e7473722e746365 x10: 6a626f6b2f697061 x9 : 2d65726f632f6e6f
[    7.346436] x8 : ffff80000a184240 x7 : ffff80000a71b720 x6 : 000000000000000c
[    7.346448] x5 : ffff0000ff769a18 x4 : 0000000000000000 x3 : 0000000000000027
[    7.346459] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000c00c0000
[    7.346470] Call trace:
[    7.346471]  device_release+0x80/0x90
[    7.346479]  kobject_put+0xa4/0x120
[    7.346486]  put_device+0x14/0x24
[    7.346493]  genpd_remove+0x118/0x1bc
[    7.346500]  pm_genpd_remove+0x2c/0x50
[    7.346508]  imx8m_blk_ctrl_probe+0x370/0x4cc
[    7.346515]  platform_probe+0x68/0xc0
done
[    7.346521]  really_probe+0xbc/0x2dc
[    7.346526]  __driver_probe_device+0x78/0x114
[    7.346531]  driver_probe_device+0xd8/0x15c
[    7.346539]  __device_attach_driver+0xb8/0x134
[    7.346546]  bus_for_each_drv+0x7c/0xd4
Saving random seed: [    7.346555]  __device_attach+0x9c/0x1a0
[    7.346560]  device_initial_probe+0x14/0x20
[    7.346565]  bus_probe_device+0x98/0xa0
[    7.346572]  deferred_probe_work_func+0x88/0xc0
[    7.346576]  process_one_work+0x1d4/0x330
OK
[    7.346582]  worker_thread+0x6c/0x430
[    7.346590]  kthread+0x108/0x10c
Starting network: [    7.346596]  ret_from_fork+0x10/0x20


# Below is list of tests where the incidents where the regression occurred:


## boot failure on imx8mp-verdin-nonwifi-dahlia
- Dashboard: https://staging.dashboard.kernelci.org:9000/test/maestro:6799439265fae3351e2ee335

## boot failure on imx8mp-evk
- Dashboard: https://staging.dashboard.kernelci.org:9000/test/maestro:6799439265fae3351e2ee332


[This is an experimental report. Please send feedback in!]

Generated on 2025-01-28 22:51:24.671823+00:00.



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