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Message-ID: <945434d4-1083-7aca-d290-847ccee15194@linaro.org>
Date: Tue, 15 Mar 2022 12:17:00 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Naresh Kamboju <naresh.kamboju@...aro.org>,
open list <linux-kernel@...r.kernel.org>,
LTP List <ltp@...ts.linux.it>
Cc: Nicolas Dechesne <nicolas.dechesne@...aro.org>,
Viresh Kumar <viresh.kumar@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [LTP] arm64: db845c: cpuhotplug: WARNING: CPU: 3 PID: 26 at
kernel/irq/manage.c:1887 free_irq+0x348/0x370
On 14/03/2022 16:37, Naresh Kamboju wrote:
> [ please ignore this email if it is already reported ]
>
> While running LTP cpuhotplug04 tests on linux mainline 5.17.0-rc8 on the
> arm64 db845c device the following kernel warning was noticed [1] & [2].
> This is not a regression but this warning was noticed for a while.
>
> /opt/ltp/testcases/bin/cpuhotplug03.sh: line 40: 929 Killed
> cpuhotplug_do_spin_loop > /dev/null 2>&1
> cpuhotplug03 1 TPASS: 1 cpuhotplug_do_spin_loop processes found on CPU1
> Name: cpuhotplug04
> Date: Thu Jan 1 00:00:43 UTC 1970
> Desc: Does it prevent us from offlining the last CPU?
This should be fixed by the series at
https://lore.kernel.org/linux-arm-msm/20220309223938.3819715-1-dmitry.baryshkov@linaro.org/
>
> [ 34.409899] psci: CPU0 killed (polled 0 ms)
> [ 34.589257] psci: CPU1 killed (polled 0 ms)
> [ 34.748788] migrate_one_irq: 30 callbacks suppressed
> [ 34.748834] IRQ169: set affinity failed(-22).
> [ 34.748867] IRQ171: set affinity failed(-22).
> [ 34.748911] IRQ183: set affinity failed(-22).
> [ 34.748929] IRQ184: set affinity failed(-22).
> [ 34.748945] IRQ185: set affinity failed(-22).
> [ 34.748964] IRQ186: set affinity failed(-22).
> [ 34.748981] IRQ187: set affinity failed(-22).
> [ 34.748999] IRQ188: set affinity failed(-22).
> [ 34.749014] IRQ189: set affinity failed(-22).
> [ 34.749031] IRQ190: set affinity failed(-22).
> [ 34.757748] psci: CPU2 killed (polled 0 ms)
> [ 34.973881] ------------[ cut here ]------------
> [ 34.978667] WARNING: CPU: 3 PID: 26 at kernel/irq/manage.c:1887
> free_irq+0x348/0x370
> [ 34.986579] Modules linked in: snd_soc_hdmi_codec venus_dec
> venus_enc lontium_lt9611 videobuf2_dma_contig qcom_spmi_adc5
> qcom_spmi_temp_alarm qcom_pon rtc_pm8xxx qcom_vadc_common qcom_camss
> snd_soc_sdm845 crct10dif_ce videobuf2_dma_sg snd_soc_rt5663
> snd_soc_qcom_common v4l2_fwnode hci_uart venus_core snd_soc_rl6231
> v4l2_async btqca soundwire_bus v4l2_mem2mem btbcm i2c_qcom_geni
> videobuf2_memops bluetooth msm camcc_sdm845 videobuf2_v4l2
> reset_qcom_pdc i2c_qcom_cci videobuf2_common gpu_sched spi_geni_qcom
> qcom_rng qcom_q6v5_mss ath10k_snoc ath10k_core ath xhci_pci mac80211
> xhci_pci_renesas qrtr display_connector slim_qcom_ngd_ctrl cfg80211
> qcom_wdt rfkill qcom_q6v5_pas pdr_interface qcom_pil_info qcom_q6v5
> icc_osm_l3 lmh slimbus qcom_sysmon drm_kms_helper qcom_common
> qcom_glink_smem qmi_helpers mdt_loader socinfo drm rmtfs_mem fuse
> [ 35.061476] CPU: 3 PID: 26 Comm: cpuhp/3 Not tainted 5.17.0-rc8 #1
> [ 35.067760] Hardware name: Thundercomm Dragonboard 845c (DT)
> [ 35.073506] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> [ 35.080582] pc : free_irq+0x348/0x370
> [ 35.084328] lr : free_irq+0x300/0x370
> [ 35.088073] sp : ffff800008263c90
> [ 35.091457] x29: ffff800008263c90 x28: 0000000000000003 x27: ffff65e489bac000
> [ 35.098720] x26: 0000000000000000 x25: ffff287f41e51edc x24: ffff287f41e51f90
> [ 35.105981] x23: 0000000000000000 x22: 00000000000000ad x21: ffff287f40d06b00
> [ 35.113242] x20: ffff287f41e51e00 x19: ffff287f42bc7300 x18: ffffc29b34722b00
> [ 35.120504] x17: ffffc29b34722b18 x16: ffffc29b31d22ca4 x15: 0000000000050088
> [ 35.127762] x14: 0000000000000010 x13: ffff287f41fbd958 x12: 0005008800000000
> [ 35.135019] x11: 0000000000000040 x10: ffffc29b34401eb8 x9 : ffffc29b32ebc62c
> [ 35.142278] x8 : ffff287f40400270 x7 : 0000000000000000 x6 : 0000000000000000
> [ 35.149535] x5 : ffff287f40400248 x4 : ffff287f40400378 x3 : 0000000000000000
> [ 35.156796] x2 : 0000000002030200 x1 : ffff287f41e51e00 x0 : ffff287f42a57000
> [ 35.164056] Call trace:
> [ 35.166558] free_irq+0x348/0x370
> [ 35.169955] qcom_cpufreq_hw_cpu_exit+0x80/0xd0
> [ 35.174584] cpufreq_offline.isra.0+0x26c/0x2b0
> [ 35.179202] cpuhp_cpufreq_offline+0x1c/0x30
> [ 35.183561] cpuhp_invoke_callback+0x16c/0x5b0
> [ 35.188094] cpuhp_thread_fun+0xd0/0x1c4
> [ 35.192090] smpboot_thread_fn+0x1ec/0x220
> [ 35.196287] kthread+0x100/0x110
> [ 35.199607] ret_from_fork+0x10/0x20
> [ 35.203273] ---[ end trace 0000000000000000 ]---
>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
>
> metadata:
> git_describe: v5.17-rc8
> git_ref: master
> git_repo: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline
> git_sha: 09688c0166e76ce2fb85e86b9d99be8b0084cdf9
> kernel-config: https://builds.tuxbuild.com/26LbWSfZlShbqStTOvXGslR1RBI/config
> build: https://builds.tuxbuild.com/26LbWSfZlShbqStTOvXGslR1RBI/
>
>
> steps to reproduce:
> # cd /opt/ltp
> # ./runltp -s cpuhotplug04
>
> --
> Linaro LKFT
> https://lkft.linaro.org
>
> [1] https://lkft.validation.linaro.org/scheduler/job/4715107#L4147
> [2] https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.17-rc8/testrun/8446603/suite/linux-log-parser/test/check-kernel-warning-4715107/log
>
--
With best wishes
Dmitry
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