Following kernel crash noticed on linux next 20211020 tag. while booting on arm64 architecture dragonboard 410c device. I see the following config is enabled in 20211020 tag builds. CONFIG_STACKDEPOT=y Crash log, [ 18.583097] Unable to handle kernel paging request at virtual address 00000000007c4240 [ 18.583521] Mem abort info: [ 18.590286] ESR = 0x96000004 [ 18.592920] EC = 0x25: DABT (current EL), IL = 32 bits [ 18.596103] SET = 0, FnV = 0 [ 18.601512] EA = 0, S1PTW = 0 [ 18.604384] FSC = 0x04: level 0 translation fault [ 18.607447] Data abort info: [ 18.612296] ISV = 0, ISS = 0x00000004 [ 18.615451] CM = 0, WnR = 0 [ 18.618990] user pgtable: 4k pages, 48-bit VAs, pgdp=000000008b4c7000 [ 18.622054] [00000000007c4240] pgd=0000000000000000, p4d=0000000000000000 [ 18.628974] Internal error: Oops: 96000004 [#1] SMP [ 18.635073] Modules linked in: adv7511 cec snd_soc_lpass_apq8016 snd_soc_lpass_cpu snd_soc_lpass_platform snd_soc_msm8916_digital qcom_camss qrtr snd_soc_apq8016_sbc videobuf2_dma_sg qcom_pon qcom_spmi_vadc snd_soc_qcom_common qcom_q6v5_mss qcom_vadc_common rtc_pm8xxx qcom_spmi_temp_alarm msm qcom_pil_info v4l2_fwnode qcom_q6v5 snd_soc_msm8916_analog qcom_sysmon qcom_common v4l2_async qnoc_msm8916 qcom_rng gpu_sched qcom_glink_smem venus_core videobuf2_memops icc_smd_rpm qmi_helpers drm_kms_helper v4l2_mem2mem mdt_loader display_connector i2c_qcom_cci videobuf2_v4l2 crct10dif_ce videobuf2_common socinfo drm rmtfs_mem fuse [ 18.672948] CPU: 0 PID: 178 Comm: kworker/u8:3 Not tainted 5.15.0-rc6-next-20211020 #1 [ 18.695000] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [ 18.695012] Workqueue: events_unbound deferred_probe_work_func [ 18.695033] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 18.715282] pc : __stack_depot_save+0x13c/0x4e0 [ 18.722130] lr : stack_depot_save+0x14/0x20 [ 18.726641] sp : ffff800014a23500 [ 18.730801] x29: ffff800014a23500 x28: 00000000000f8848 x27: ffff800013acdf68 [ 18.734294] x26: 0000000000000000 x25: 00000000007c4240 x24: ffff800014a23780 [ 18.741413] x23: 0000000000000008 x22: ffff800014a235b8 x21: 0000000000000008 [ 18.748530] x20: 00000000c32f8848 x19: ffff00001038cc18 x18: ffffffffffffffff [ 18.755649] x17: ffff80002d9f8000 x16: ffff800010004000 x15: 000000000000c426 [ 18.762767] x14: 0000000000000000 x13: ffff800014a23780 x12: 0000000000000000 [ 18.769885] x11: ffff00001038cc80 x10: ffff8000136e9ba0 x9 : ffff800014a235f4 [ 18.777003] x8 : 0000000000000001 x7 : 00000000b664620b x6 : 0000000011a58b4a [ 18.784121] x5 : 000000001aa43464 x4 : 000000009e7d8b67 x3 : 0000000000000001 [ 18.791239] x2 : 0000000000002800 x1 : ffff800013acd000 x0 : 00000000f2d429d8 [ 18.798358] Call trace: [ 18.805451] __stack_depot_save+0x13c/0x4e0 [ 18.807716] stack_depot_save+0x14/0x20 [ 18.811881] __drm_stack_depot_save+0x44/0x70 [drm] [ 18.815710] modeset_lock.part.0+0xe0/0x1a4 [drm] [ 18.820571] drm_modeset_lock_all_ctx+0x2d4/0x334 [drm] [ 18.825435] drm_client_firmware_config.constprop.0.isra.0+0xc0/0x5d0 [drm] [ 18.830478] drm_client_modeset_probe+0x328/0xbb0 [drm] [ 18.837413] __drm_fb_helper_initial_config_and_unlock+0x54/0x5b4 [drm_kms_helper] [ 18.842633] drm_fb_helper_initial_config+0x5c/0x70 [drm_kms_helper] [ 18.850266] msm_fbdev_init+0x98/0x100 [msm] [ 18.856767] msm_drm_bind+0x650/0x720 [msm] [ 18.861021] try_to_bring_up_master+0x230/0x320 [ 18.864926] __component_add+0xc8/0x1c4 [ 18.869435] component_add+0x20/0x30 [ 18.873253] mdp5_dev_probe+0xe0/0x11c [msm] [ 18.877077] platform_probe+0x74/0xf0 [ 18.881328] really_probe+0xc4/0x470 [ 18.884883] __driver_probe_device+0x11c/0x190 [ 18.888534] driver_probe_device+0x48/0x110 [ 18.892786] __device_attach_driver+0xa4/0x140 [ 18.896869] bus_for_each_drv+0x84/0xe0 [ 18.901380] __device_attach+0xe4/0x1c0 [ 18.905112] device_initial_probe+0x20/0x30 [ 18.908932] bus_probe_device+0xac/0xb4 [ 18.913098] deferred_probe_work_func+0xc8/0x120 [ 18.916920] process_one_work+0x280/0x6a0 [ 18.921780] worker_thread+0x80/0x454 [ 18.925683] kthread+0x178/0x184 [ 18.929326] ret_from_fork+0x10/0x20 [ 18.932634] Code: d37d4e99 92404e9c f940077a 8b190359 (c8dfff33) [ 18.936203] ---[ end trace 3e289b724840642d ]--- Full log, https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20211020/testrun/6177937/suite/linux-log-parser/test/check-kernel-oops-3786583/log https://lkft.validation.linaro.org/scheduler/job/3786583#L2549 Build config: https://builds.tuxbuild.com/1zlLlQrUyHVr1MQ1gcler3dKaE6/config Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> steps to reproduce: 1) https://builds.tuxbuild.com/1zlLlQrUyHVr1MQ1gcler3dKaE6/tuxmake_reproducer.sh 2) Boot db410c device -- Linaro LKFT https://lkft.linaro.org
