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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Thu, 25 Aug 2022 17:52:06 +0530
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Subject: WARNING: CPU: 3 PID: 301 at include/media/media-entity.h:465 media_graph_walk_start+0xcc/0xd4
To:     Sakari Ailus <sakari.ailus@linux.intel.com>,
        =?UTF-8?Q?Niklas_S=C3=B6derlund?= 
        <niklas.soderlund+renesas@ragnatech.se>,
        Jacopo Mondi <jacopo+renesas@jmondi.org>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
        =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>
Cc:     Linux Media Mailing List <linux-media@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Nicolas Dechesne <nicolas.dechesne@linaro.org>
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Following kernel crash noticed on db410c while booting mainline 6.0.0-rc2.
This crash is not always reproducible.

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

metadata:
  git_ref: master
  git_repo: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline
  git_sha: c40e8341e3b3bb27e3a65b06b5b454626234c4f0
  git_describe: v6.0-rc2-54-gc40e8341e3b3
  kernel_version: 6.0.0-rc2
  kernel-config: https://builds.tuxbuild.com/2Dmj8axHFHLJ7YdTYjhOEGppduR/config
  build-url: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline/-/pipelines/621141375
  artifact-location: https://builds.tuxbuild.com/2Dmj8axHFHLJ7YdTYjhOEGppduR
  toolchain: gcc-11

Crash log:
----------
[    7.203248] qcom-camss 1b0ac00.camss: Adding to iommu group 1
[    7.213651] qcom-camss 1b0ac00.camss: Failed to configure power domains: -17
[    7.213786] qcom-camss: probe of 1b0ac00.camss failed with error -17
[    7.418502] ------------[ cut here ]------------
[    7.418556] WARNING: CPU: 3 PID: 301 at
include/media/media-entity.h:465 media_graph_walk_start+0xcc/0xd4
[    7.422214] Modules linked in: pm8916_wdt(+) msm(+) crct10dif_ce
qcom_camss adv7511 qcom_wcnss_pil(+) qcom_q6v5_mss(+) venus_core(+)
cec snd_soc_lpass_apq8016 qcom_pil_info gpu_sched snd_soc_lpass_cpu
qcom_q6v5 videobuf2_dma_sg drm_dp_aux_bus display_connector
snd_soc_lpass_platform snd_soc_apq8016_sbc qcom_sysmon
snd_soc_qcom_common drm_display_helper v4l2_fwnode
snd_soc_msm8916_digital qcom_common snd_soc_msm8916_analog
qcom_glink_smem v4l2_mem2mem v4l2_async drm_kms_helper qnoc_msm8916
qcom_spmi_temp_alarm videobuf2_memops rtc_pm8xxx qcom_spmi_vadc
videobuf2_v4l2 qmi_helpers qcom_pon qcom_vadc_common videobuf2_common
i2c_qcom_cci icc_smd_rpm mdt_loader qcom_rng qcom_stats drm socinfo
rmtfs_mem fuse
[    7.422761] Unable to handle kernel NULL pointer dereference at
virtual address 0000000000000000
[    7.438434] adreno 1c00000.gpu: Adding to iommu group 2
[    7.450496] platform 1a98000.dsi: Fixing up cyclic dependency with 3-0039
[    7.450670] platform 1a98000.dsi: Fixing up cyclic dependency with
1a01000.mdp
[    7.471401] CPU: 3 PID: 301 Comm: v4l_id Not tainted 6.0.0-rc2 #1
[    7.471415] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
[    7.471421] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    7.471433] pc : media_graph_walk_start+0xcc/0xd4
[    7.471450] lr : media_graph_walk_start+0x40/0xd4
[    7.471462] sp : ffff80000bceb9d0
[    7.471466] x29: ffff80000bceb9d0
[    7.482012] ------------[ cut here ]------------
[    7.482023] WARNING: CPU: 2 PID: 299 at
include/media/media-entity.h:465 media_graph_walk_start+0xcc/0xd4
[    7.482049] Modules linked in: pm8916_wdt(+) msm crct10dif_ce
qcom_camss adv7511 qcom_wcnss_pil(+) qcom_q6v5_mss(+) venus_core(+)
cec snd_soc_lpass_apq8016 qcom_pil_info gpu_sched snd_soc_lpass_cpu
qcom_q6v5 videobuf2_dma_sg drm_dp_aux_bus display_connector
snd_soc_lpass_platform snd_soc_apq8016_sbc qcom_sysmon
snd_soc_qcom_common drm_display_helper v4l2_fwnode
snd_soc_msm8916_digital qcom_common snd_soc_msm8916_analog
qcom_glink_smem v4l2_mem2mem v4l2_async drm_kms_helper qnoc_msm8916
qcom_spmi_temp_alarm videobuf2_memops rtc_pm8xxx qcom_spmi_vadc
videobuf2_v4l2 qmi_helpers qcom_pon qcom_vadc_common videobuf2_common
i2c_qcom_cci icc_smd_rpm mdt_loader qcom_rng qcom_stats drm socinfo
rmtfs_mem fuse
[    7.482250] CPU: 2 PID: 299 Comm: v4l_id Not tainted 6.0.0-rc2 #1
[    7.482262] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
[    7.482268] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    7.482279] pc : media_graph_walk_start+0xcc/0xd4
[    7.482292] lr : media_graph_walk_start+0x40/0xd4
[    7.482303] sp : ffff80000bc1b9d0
[    7.482308] x29: ffff80000bc1b9d0 x28: ffff80000bc1bc70 x27: 0000000000000000
[    7.482325] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[    7.482342] x23: ffff00000584d368 x22: 0000000000000001 x21: ffff000005303960
[    7.482360] x20: ffff00000584d368 x19: ffff000005303a98 x18: 0000000000000000
[    7.482377] x17: 0000000000000000 x16: ffff800008fc3190 x15: 0000000000000000
[    7.482394] x14: ffffffffffffffff x13: ffff00000456d025 x12: ffff80000bc1bcb4
[    7.482411] x11: 00000006955fc5f6 x10: 0000000000000002 x9 : ffff800008fc302c
[    7.482428] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000001
[    7.482444] x5 : ffff80000aa8f000 x4 : 0000000000000000 x3 : ffff000005303a78
[    7.482460] x2 : 0000000000000000 x1 : 000000000000000a x0 : 0000000000000000
[    7.482477] Call trace:
[    7.482481]  media_graph_walk_start+0xcc/0xd4
[    7.482494]  pipeline_pm_power.part.0+0x38/0xfc
[    7.482505]  v4l2_pipeline_pm_use+0x5c/0xa0
[    7.482514]  v4l2_pipeline_pm_get+0x20/0x30
[    7.482523]  video_open+0x80/0xe4 [qcom_camss]
[    7.482583]  v4l2_open+0xb4/0x130
[    7.482593]  chrdev_open+0xcc/0x23c
[    7.482603]  do_dentry_open+0x134/0x3ec
[    7.482614]  vfs_open+0x38/0x44
[    7.482625]  path_openat+0x8c0/0xe64
[    7.482638]  do_filp_open+0x8c/0x13c
[    7.482651]  do_sys_openat2+0xbc/0x174
[    7.482661]  __arm64_sys_openat+0x6c/0xbc
[    7.482672]  invoke_syscall+0x50/0x120
[    7.482687]  el0_svc_common.constprop.0+0x68/0x124
[    7.482700]  do_el0_svc+0x3c/0xd0
[    7.482712]  el0_svc+0x30/0x94
[    7.482723]  el0t_64_sync_handler+0xc0/0x13c
[    7.482734]  el0t_64_sync+0x18c/0x190
[    7.482744] ---[ end trace 0000000000000000 ]---

ref:
https://lkft.validation.linaro.org/scheduler/job/5434242#L2360

Test details log:
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.0-rc2-54-gc40e8341e3b3/testrun/11545376/suite/log-parser-test/tests/

--
Linaro LKFT
https://lkft.linaro.org