Hello Naresh On Thu, Aug 25, 2022 at 05:52:06PM +0530, Naresh Kamboju wrote: > 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@xxxxxxxxxx> > > 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 Not knowing much about camss and by just a quick look at the driver, should: ret = camss_configure_pd(camss); if (ret < 0) { dev_err(dev, "Failed to configure power domains: %d\n", ret); return ret; } Be changed to jump to an error label and unregister the media entities in case of failure in probing the power domains ? > [ 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
