linux-kernel - WARNING: CPU: 4 PID: 326 at drivers/opp/core.c:2471 dev_pm_opp_set

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Date:   Fri, 22 Jul 2022 11:01:48 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        regressions@...ts.linux.dev, Linux PM <linux-pm@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Viresh Kumar <viresh.kumar@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>
Subject: WARNING: CPU: 4 PID: 326 at drivers/opp/core.c:2471 dev_pm_opp_set_config+0x344/0x620

I have found this warning on db845c while booting Linux next-20220720.
Please find more details in the below link,

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

[    9.769688] WARNING: CPU: 4 PID: 326 at drivers/opp/core.c:2471
dev_pm_opp_set_config+0x344/0x620
[    9.769698] i2c 16-0010: Fixing up cyclic dependency with acb3000.camss
[    9.810991] msm-mdss ae00000.mdss: Adding to iommu group 15
[    9.811082] Modules linked in: hci_uart qcom_camss msm(+) videobuf2_dma_sg
[    9.823435] ath10k_snoc 18800000.wifi: supply vdd-3.3-ch1 not
found, using dummy regulator
[    9.827664]  ath10k_snoc(+) btqca v4l2_fwnode btbcm ath10k_core
venus_core(+) gpu_sched camcc_sdm845 reset_qcom_pdc v4l2_async
v4l2_mem2mem i2c_qcom_geni videobuf2_memops ath drm_dp_aux_bus
drm_display_helper videobuf2_v4l2 bluetooth mac80211 i2c_qcom_cci
videobuf2_common qcom_rng spi_geni_qcom gpi(+) qcom_q6v5_mss xhci_pci
qrtr xhci_pci_renesas cfg80211 rfkill slim_qcom_ngd_ctrl lmh
icc_osm_l3 pdr_interface slimbus qcom_wdt display_connector icc_bwmon
qcom_q6v5_pas qcom_pil_info qcom_q6v5 qcom_sysmon drm_kms_helper
qcom_common qcom_glink_smem qmi_helpers mdt_loader drm socinfo
rmtfs_mem fuse
[    9.885445] qcom-camss acb3000.camss: Adding to iommu group 16
[    9.911179] platform ae94000.dsi: Fixing up cyclic dependency with
ae01000.display-controller
[[0;32m  OK  [0m] Started D-Bus System Message Bus.[    9.911593]
Bluetooth: hci0: setting up wcn399x
[    9.928261] CPU: 4 PID: 326 Comm: systemd-udevd Not tainted
5.19.0-rc7-next-20220720 #1

[    9.928265] Hardware name: Thundercomm Dragonboard 845c (DT)
[    9.928267] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    9.928269] pc : dev_pm_opp_set_config+0x344/0x620
[    9.977763] lr : dev_pm_opp_set_config+0x68/0x620
[    9.982508] sp : ffff8000089337b0
[    9.985846] x29: ffff8000089337b0 x28: ffff800008933c90 x27: ffff3e2780f9bc10
[    9.993030] x26: ffffb9048f76dd40 x25: ffffb904d98c8de8 x24: ffff3e278da60080
[   10.000226] x23: ffff3e2780f9bc10 x22: ffff8000089338b0 x21: ffff3e278eda0d80
[   10.007416] x20: ffff3e2780f9bc10 x19: ffff3e2786ffe000 x18: ffffffffffffffff
[   10.014602] x17: 0000000000000000 x16: ffffb904d7d90f50 x15: 6f63713d305f454c
[   10.021795] x14: ffffb904d9df6a20 x13: 0000000000000040 x12: 0000000000000228
[   10.028981] x11: 0000000000000000 x10: 0000000000000bd0 x9 : ffffb904d7d905e0
[   10.036166] x8 : ffff3e27833a8c30 x7 : 0000000000000018 x6 : 0000000000000001
[   10.043361] x5 : ffffb904d982f000 x4 : ffff3e27833a8000 x3 : ffffb904d9bf2c20
[   10.043365] x2 : 0000000000000000 x1 : ffff3e2786f70d00 x0 : ffff3e2786ffe060
[   10.043368] Call trace:
[   10.043369]  dev_pm_opp_set_config+0x344/0x620
[   10.043373]  devm_pm_opp_set_config+0x24/0x80
[   10.043376]  core_get_v4+0x244/0x360 [venus_core]
[   10.043393]  venus_probe+0x100/0x470 [venus_core]
[   10.043404]  platform_probe+0x74/0xf0
[   10.043410]  really_probe+0xc8/0x3e0
[   10.043413]  __driver_probe_device+0x84/0x190
[[0;32m  OK  [0m] Started Avahi mDNS/DNS-SD Stack.
[   10.043414]  driver_probe_device+0x44/0x100
[   10.043416]  __driver_attach+0xd8/0x210
[   10.043418]  bus_for_each_dev+0x7c/0xe0
[   10.043420]  driver_attach+0x30/0x3c
[   10.043422]  bus_add_driver+0x188/0x244
[   10.043424]  driver_register+0x84/0x140
[   10.043426]  __platform_driver_register+0x34/0x40
[   10.043428]  qcom_venus_driver_init+0x30/0x1000 [venus_core]
[   10.043440]  do_one_initcall+0x50/0x2b0
[   10.043445]  do_init_module+0x50/0x200
[   10.043448]  load_module+0x1b5c/0x1fc4
[   10.043449]  __do_sys_finit_module+0xac/0x12c
[   10.043451]  __arm64_sys_finit_module+0x2c/0x40
[   10.043453]  invoke_syscall+0x50/0x120
[   10.043457]  el0_svc_common.constprop.0+0x104/0x124
[   10.043460]  do_el0_svc+0x3c/0xd0
[   10.043463]  el0_svc+0x30/0x94
[   10.043467]  el0t_64_sync_handler+0xbc/0x140
[   10.043469]  el0t_64_sync+0x18c/0x190
[   10.043471] ---[ end trace 0000000000000000 ]---

Link:
https://qa-reports.linaro.org/lkft/linux-next-master/build/v5.19-rc6-12429-g4ee7eaa411ee/testrun/10922376/suite/log-parser-test/test/check-kernel-warning-5303907/details/

Build: https://builds.tuxbuild.com/2CD0dD2GUweY5lvh8VnF3rWZWEm/
vmlinux: https://builds.tuxbuild.com/2CD0dD2GUweY5lvh8VnF3rWZWEm/vmlinux.xz
System.map: https://builds.tuxbuild.com/2CD0dD2GUweY5lvh8VnF3rWZWEm/System.map

--
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https://lkft.linaro.org