While running igt testing on arm64 Qcomm db410c the following kernel warning and crash reported with Linux mainline kernel. 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: 88084a3df1672e131ddc1b4e39eeacfd39864acf git_describe: v5.19-rc5 kernel_version: 5.19.0-rc5 kernel-config: https://builds.tuxbuild.com/2BSEyt8Sb19HSj6SnBFiMo6kiQh/config build-url: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline/-/pipelines/579007773 artifact-location: https://builds.tuxbuild.com/2BSEyt8Sb19HSj6SnBFiMo6kiQh vmlinux.xz: https://builds.tuxbuild.com/2BSEyt8Sb19HSj6SnBFiMo6kiQh/vmlinux.xz System.map: https://builds.tuxbuild.com/2BSEyt8Sb19HSj6SnBFiMo6kiQh/System.map toolchain: gcc-11 igt-gpu-tools__url: https://gitlab.freedesktop.org/drm/igt-gpu-tools + ./igt-test.sh -d /usr/share/igt-gpu-tools -t CHAMELIUM -c 10.66.16.71 -h HDMI-A-1 Going to run igt Chamelium test Generate ~/.igtrc Generate Chamelium test list igt@kms_chamelium@hdmi-hpd igt@kms_chamelium@hdmi-hpd-fast <trim> Subtest hdmi-hpd-storm-disable: SKIP (0.000s) [181.885373] [08/88] kms_chamelium (hdmi-crc-single) [ 181.932031] Console: switching to colour dummy device 80x25 [ 181.932276] [IGT] kms_chamelium: executing [ 182.178035] [IGT] kms_chamelium: starting subtest hdmi-crc-single [ 183.696310] [drm:mdp5_irq_error_handler [msm]] *ERROR* errors: 04000000 [ 186.819771] msm_mdp 1a01000.mdp: vblank time out, crtc=0 [ 197.407969] [IGT] kms_chamelium: exiting, ret=98 [ 198.123226] Console: switching to colour frame buffer device 240x67 [ 208.352251] msm_mdp 1a01000.mdp: [drm] *ERROR* flip_done timed out [ 208.352889] msm_mdp 1a01000.mdp: [drm] *ERROR* [CRTC:57:crtc-0] commit wait timed out [ 218.592308] msm_mdp 1a01000.mdp: [drm] *ERROR* flip_done timed out [ 218.592951] msm_mdp 1a01000.mdp: [drm] *ERROR* [PLANE:33:plane-0] commit wait timed out [ 218.598698] ------------[ cut here ]------------ [ 218.605711] WARNING: CPU: 0 PID: 6 at drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:807 mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 218.611025] Modules linked in: rfkill snd_soc_hdmi_codec venus_enc venus_dec videobuf2_dma_contig adv7511 pm8916_wdt smsc75xx cec qcom_wcnss_pil msm qrtr qcom_camss venus_core qcom_q6v5_mss videobuf2_dma_sg gpu_sched qcom_pil_info v4l2_fwnode qcom_q6v5 snd_soc_lpass_apq8016 drm_dp_aux_bus qcom_sysmon v4l2_async snd_soc_lpass_cpu v4l2_mem2mem drm_display_helper display_connector qcom_common videobuf2_memops qcom_glink_smem snd_soc_msm8916_analog snd_soc_msm8916_digital snd_soc_apq8016_sbc snd_soc_lpass_platform videobuf2_v4l2 qmi_helpers snd_soc_qcom_common drm_kms_helper qcom_spmi_vadc mdt_loader qcom_spmi_temp_alarm videobuf2_common rtc_pm8xxx drm qcom_vadc_common i2c_qcom_cci qnoc_msm8916 qcom_stats socinfo qcom_pon crct10dif_ce qcom_rng icc_smd_rpm rmtfs_mem fuse [ 218.671585] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.19.0-rc5 #1 [ 218.689678] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [ 218.696036] Workqueue: events drm_mode_rmfb_work_fn [drm] [ 218.702723] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 218.708118] pc : mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 218.714784] lr : mdp5_crtc_atomic_flush+0x44/0x1d0 [msm] [ 218.720337] sp : ffff800008053b10 [ 218.725571] x29: ffff800008053b10 x28: 0000000000000001 x27: ffff00000ca3c2c8 [ 218.729045] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000020 [ 218.736165] x23: 0000000000000070 x22: 0000000000000038 x21: ffff00000f374200 [ 218.743281] x20: ffff00000ca3e000 x19: ffff00000ca3c000 x18: 0000000000000001 [ 218.750398] x17: 0000000000000004 x16: 0000000000000000 x15: 0000000000000000 [ 218.757516] x14: 0000000000000020 x13: 0000000000000000 x12: 0000000000000020 [ 218.764635] x11: 00000000ffffffff x10: ffff000004f1e678 x9 : ffff800001566000 [ 218.771753] x8 : ffff000003295140 x7 : 0000000000000000 x6 : 0000000000000000 [ 218.778871] x5 : ffff00000ca3e000 x4 : 0000000000000000 x3 : 0000000000000000 [ 218.785987] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000023d0980 [ 218.793108] Call trace: [ 218.799906] mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 218.802347] drm_atomic_helper_commit_planes+0x160/0x210 [drm_kms_helper] [ 218.807678] msm_atomic_commit_tail+0x1b0/0x8d0 [msm] [ 218.814327] commit_tail+0xac/0x184 [drm_kms_helper] [ 218.819355] drm_atomic_helper_commit+0x150/0x37c [drm_kms_helper] [ 218.824471] drm_atomic_commit+0xb0/0xf0 [drm] [ 218.830345] drm_framebuffer_remove+0x444/0x4e4 [drm] [ 218.834813] drm_mode_rmfb_work_fn+0x84/0xac [drm] [ 218.839919] process_one_work+0x1dc/0x450 [ 218.844544] worker_thread+0x2d0/0x450 [ 218.848605] kthread+0x100/0x110 [ 218.852216] ret_from_fork+0x10/0x20 [ 218.855630] ---[ end trace 0000000000000000 ]--- [ 218.920029] msm_mdp 1a01000.mdp: vblank time out, crtc=0 [ 229.088439] msm_mdp 1a01000.mdp: [drm] *ERROR* flip_done timed out [ 229.094070] msm_mdp 1a01000.mdp: [drm] *ERROR* [CRTC:57:crtc-0] commit wait timed out [ 239.328613] msm_mdp 1a01000.mdp: [drm] *ERROR* flip_done timed out [ 239.334313] msm_mdp 1a01000.mdp: [drm] *ERROR* [CONNECTOR:32:HDMI-A-1] commit wait timed out [ 249.568128] msm_mdp 1a01000.mdp: [drm] *ERROR* flip_done timed out [ 249.574071] msm_mdp 1a01000.mdp: [drm] *ERROR* [PLANE:33:plane-0] commit wait timed out [ 249.712800] l6: Underflow of regulator enable count [ 249.731423] Failed to disable vddio: -EINVAL [ 249.742843] msm_dsi_phy 1a98300.dsi-phy: Runtime PM usage count underflow! [ 249.788343] ------------[ cut here ]------------ [ 249.799580] WARNING: CPU: 1 PID: 918 at drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:807 mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 249.811889] Modules linked in: rfkill snd_soc_hdmi_codec venus_enc venus_dec videobuf2_dma_contig adv7511 pm8916_wdt smsc75xx cec qcom_wcnss_pil msm qrtr qcom_camss venus_core qcom_q6v5_mss videobuf2_dma_sg gpu_sched qcom_pil_info v4l2_fwnode qcom_q6v5 snd_soc_lpass_apq8016 drm_dp_aux_bus qcom_sysmon v4l2_async snd_soc_lpass_cpu v4l2_mem2mem drm_display_helper display_connector qcom_common videobuf2_memops qcom_glink_smem snd_soc_msm8916_analog snd_soc_msm8916_digital snd_soc_apq8016_sbc snd_soc_lpass_platform videobuf2_v4l2 qmi_helpers snd_soc_qcom_common drm_kms_helper qcom_spmi_vadc mdt_loader qcom_spmi_temp_alarm videobuf2_common rtc_pm8xxx drm qcom_vadc_common i2c_qcom_cci qnoc_msm8916 qcom_stats socinfo qcom_pon crct10dif_ce qcom_rng icc_smd_rpm rmtfs_mem fuse [ 249.910734] CPU: 1 PID: 918 Comm: kms_chamelium Tainted: G W 5.19.0-rc5 #1 [ 249.925068] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [ 249.939565] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 249.954285] pc : mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 249.969740] lr : mdp5_crtc_atomic_flush+0x44/0x1d0 [msm] [ 249.985242] sp : ffff80000c413970 [ 250.000193] x29: ffff80000c413970 x28: 0000000000000001 x27: ffff00000ca3c2c8 [ 250.015308] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000020 [ 250.030393] x23: 0000000000000070 x22: 0000000000000038 x21: ffff00000f374800 [ 250.045369] x20: ffff00000ca3e000 x19: ffff00000ca3c000 x18: 0000000000000000 [ 250.060301] x17: 000000040044ffff x16: 00400032b5503510 x15: 0000000000000000 [ 250.075233] x14: ffff0000032b2080 x13: ffff800001773000 x12: 0000000030d4d91d [ 250.090193] x11: 000000000000000c x10: ffff80000aa62ac0 x9 : ffff800001566000 [ 250.105153] x8 : ffff00000f0f6180 x7 : 0000000000000000 x6 : 0000000000000000 [ 250.120023] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [ 250.134629] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000023d0900 [ 250.148685] Call trace: [ 250.162090] mdp5_crtc_atomic_flush+0x1b8/0x1d0 [msm] [ 250.175726] drm_atomic_helper_commit_planes+0x160/0x210 [drm_kms_helper] [ 250.188575] msm_atomic_commit_tail+0x1b0/0x8d0 [msm] [ 250.201697] commit_tail+0xac/0x184 [drm_kms_helper] [ 250.214380] drm_atomic_helper_commit+0x150/0x37c [drm_kms_helper] [ 250.227064] drm_atomic_commit+0xb0/0xf0 [drm] [ 250.239967] drm_client_modeset_commit_atomic+0x208/0x260 [drm] [ 250.252865] drm_client_modeset_commit_locked+0x68/0x1a0 [drm] [ 250.265757] drm_client_modeset_commit+0x3c/0x64 [drm] [ 250.278572] drm_fb_helper_lastclose+0x78/0xd0 [drm_kms_helper] [ 250.291139] drm_lastclose+0x44/0x90 [drm] [ 250.303977] drm_release+0x100/0x120 [drm] [ 250.316785] __fput+0x78/0x22c [ 250.329016] ____fput+0x1c/0x30 [ 250.341205] task_work_run+0x8c/0x1ac [ 250.353465] do_exit+0x2f8/0x984 [ 250.365655] do_group_exit+0x40/0xb0 [ 250.377785] __wake_up_parent+0x0/0x3c [ 250.389954] invoke_syscall+0x50/0x120 [ 250.402114] el0_svc_common.constprop.0+0x104/0x124 [ 250.414237] do_el0_svc+0x3c/0xcc [ 250.426298] el0_svc+0x38/0xc0 [ 250.438237] el0t_64_sync_handler+0xbc/0x140 [ 250.450160] el0t_64_sync+0x18c/0x190 [ 250.462003] ---[ end trace 0000000000000000 ]--- Starting subtest: hdmi-crc-single Subtest hdmi-crc-single: FAIL (15.228s) [250.605238] [09/88] kms_chamelium (hdmi-crc-fast) [ 250.648392] Console: switching to colour dummy device 80x25 [ 250.648623] [IGT] kms_chamelium: executing [ 250.854890] ------------[ cut here ]------------ [ 250.854984] gcc_mdss_ahb_clk already disabled [ 250.858801] WARNING: CPU: 2 PID: 64 at drivers/clk/clk.c:964 clk_core_disable+0x24c/0x264 [ 250.862889] Modules linked in: rfkill snd_soc_hdmi_codec venus_enc venus_dec videobuf2_dma_contig adv7511 pm8916_wdt smsc75xx cec qcom_wcnss_pil msm qrtr qcom_camss venus_core qcom_q6v5_mss videobuf2_dma_sg gpu_sched qcom_pil_info v4l2_fwnode qcom_q6v5 snd_soc_lpass_apq8016 drm_dp_aux_bus qcom_sysmon v4l2_async snd_soc_lpass_cpu v4l2_mem2mem drm_display_helper display_connector qcom_common videobuf2_memops qcom_glink_smem snd_soc_msm8916_analog snd_soc_msm8916_digital snd_soc_apq8016_sbc snd_soc_lpass_platform videobuf2_v4l2 qmi_helpers snd_soc_qcom_common drm_kms_helper qcom_spmi_vadc mdt_loader qcom_spmi_temp_alarm videobuf2_common rtc_pm8xxx drm qcom_vadc_common i2c_qcom_cci qnoc_msm8916 qcom_stats socinfo qcom_pon crct10dif_ce qcom_rng icc_smd_rpm rmtfs_mem fuse [ 250.880779] [IGT] kms_chamelium: starting subtest hdmi-crc-fast [ 250.916679] CPU: 2 PID: 64 Comm: kworker/2:2 Tainted: G W 5.19.0-rc5 #1 [ 250.916724] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [ 250.916748] Workqueue: pm pm_runtime_work [ 250.916802] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 250.916848] pc : clk_core_disable+0x24c/0x264 [ 250.916900] lr : clk_core_disable+0x24c/0x264 [ 250.974624] sp : ffff80000b24bbb0 [ 250.978938] x29: ffff80000b24bbb0 x28: 0000000000000000 x27: 0000000000000000 [ 250.982243] x26: 0000000000000000 x25: 0000000000000000 x24: ffff00000d8b5900 [ 250.989360] x23: ffff80000abea618 x22: 0000000000000000 x21: ffff00000d8bbe80 [ 250.996478] x20: ffff000003270700 x19: ffff000003270700 x18: ffffffffffffffff [ 251.003597] x17: 000000040044ffff x16: 00400032b5503510 x15: ffff80008b24b897 [ 251.010716] x14: 0000000000000000 x13: 64656c6261736964 x12: 2079646165726c61 [ 251.017833] x11: 206b6c635f626861 x10: ffff80000aa4a7a8 x9 : ffff8000081a1528 [ 251.024951] x8 : 00000000ffffefff x7 : ffff80000aa4a7a8 x6 : 0000000000000000 [ 251.032071] x5 : 000000000000bff4 x4 : 0000000000000000 x3 : 0000000000000027 [ 251.039186] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000003b29040 [ 251.046307] Call trace: [ 251.053413] clk_core_disable+0x24c/0x264 [ 251.055675] clk_disable+0x3c/0x5c [ 251.059841] clk_bulk_disable+0x44/0x60 [ 251.063140] mdss_runtime_suspend+0x48/0xa0 [msm] [ 251.066878] pm_generic_runtime_suspend+0x38/0x50 [ 251.071736] genpd_runtime_suspend+0xc4/0x310 [ 251.076421] __rpm_callback+0x50/0x180 [ 251.080760] rpm_callback+0x74/0x80 [ 251.084406] rpm_suspend+0x110/0x640 [ 251.087793] pm_runtime_work+0xd0/0xd4 [ 251.091611] process_one_work+0x1dc/0x450 [ 251.095170] worker_thread+0x154/0x450 [ 251.099251] kthread+0x100/0x110 [ 251.102896] ret_from_fork+0x10/0x20 [ 251.106281] ---[ end trace 0000000000000000 ]--- [ 251.110531] ------------[ cut here ]------------ [ 251.114483] gcc_mdss_ahb_clk already unprepared [ 251.119155] WARNING: CPU: 2 PID: 64 at drivers/clk/clk.c:822 clk_core_unprepare+0x210/0x230 <trim> Starting subtest: hdmi-cmp-planes-random Subtest hdmi-cmp-planes-random: FAIL (3.678s) [343.808430] [15/88] kms_chamelium (hdmi-frame-dump) [ 343.847491] Console: switching to colour dummy device 80x25 [ 343.847744] [IGT] kms_chamelium: executing [ 344.119508] [IGT] kms_chamelium: starting subtest hdmi-frame-dump [ 345.897236] [IGT] kms_chamelium: exiting, ret=98 [ 346.012383] Unable to handle kernel write to read-only memory at virtual address ffff80000175a5a8 [ 346.012543] Mem abort info: [ 346.020830] ESR = 0x000000009600004f [ 346.022947] EC = 0x25: DABT (current EL), IL = 32 bits [ 346.026999] SET = 0, FnV = 0 [ 346.032300] EA = 0, S1PTW = 0 [ 346.035073] FSC = 0x0f: level 3 permission fault [ 346.038225] Data abort info: [ 346.043079] ISV = 0, ISS = 0x0000004f [ 346.046116] CM = 0, WnR = 1 [ 346.049677] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081eff000 [ 346.052834] [ffff80000175a5a8] pgd=10000000bfeff003, p4d=10000000bfeff003, pud=10000000bfefe003, pmd=100000008c9fc003, pte=006000008bb6ff83 [ 346.059541] Internal error: Oops: 9600004f [#1] PREEMPT SMP [ 346.071693] Modules linked in: rfkill snd_soc_hdmi_codec venus_enc venus_dec videobuf2_dma_contig adv7511 pm8916_wdt smsc75xx cec qcom_wcnss_pil msm qrtr qcom_camss venus_core qcom_q6v5_mss videobuf2_dma_sg gpu_sched qcom_pil_info v4l2_fwnode qcom_q6v5 snd_soc_lpass_apq8016 drm_dp_aux_bus qcom_sysmon v4l2_async snd_soc_lpass_cpu v4l2_mem2mem drm_display_helper display_connector qcom_common videobuf2_memops qcom_glink_smem snd_soc_msm8916_analog snd_soc_msm8916_digital snd_soc_apq8016_sbc snd_soc_lpass_platform videobuf2_v4l2 qmi_helpers snd_soc_qcom_common drm_kms_helper qcom_spmi_vadc mdt_loader qcom_spmi_temp_alarm videobuf2_common rtc_pm8xxx drm qcom_vadc_common i2c_qcom_cci qnoc_msm8916 qcom_stats socinfo qcom_pon crct10dif_ce qcom_rng icc_smd_rpm rmtfs_mem fuse [ 346.123074] CPU: 1 PID: 962 Comm: kworker/1:0 Tainted: G W 5.19.0-rc5 #1 [ 346.145304] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) [ 346.153030] Workqueue: events adv7511_hpd_work [adv7511] [ 346.159971] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 346.165267] pc : drm_dev_unregister+0x38/0xb4 [drm] [ 346.171950] lr : msm_drm_uninit.isra.0+0x190/0x1c0 [msm] [ 346.176811] sp : ffff80000bfbb840 [ 346.182363] x29: ffff80000bfbb840 x28: ffff00000b803000 x27: ffff00000b803018 Broadcast message from systemd-journald@dragonboard-410c (Mon 2022-07-04 00:31:16 UTC): kernel[351]: [ 346.059541] Internal error: Oops: 9600004f [#1] PREEMPT SMP [ 346.185580] x26: ffff00000b803090 x25: ffff00000ba39100 x24: ffff00000ca3c000 [ 346.216430] x11: 0000000000000040 x10: ffff80000aa62ac0 x9 : ffff80000171bbc0 [ 346.216469] x8 : ffff00000a273258 x7 : 0000000000000000 x6 : 0000000000000001 [ 346.222703] x5 : 0000000000000000 x4 : 0000000000000000 x3 : dead000000000100 [ 346.229820] x2 : 00000000016e8530 x1 : 0000000001000130 x0 : ffff80000175a558 [ 346.236940] Call trace: [ 346.244052] drm_dev_unregister+0x38/0xb4 [drm] [ 346.246313] msm_drm_uninit.isra.0+0x190/0x1c0 [msm] [ 346.250827] msm_drm_unbind+0x1c/0x30 [msm] [ 346.256034] component_del+0xb0/0x16c [ 346.259940] dsi_dev_detach+0x2c/0x40 [msm] [ 346.263758] dsi_host_detach+0x28/0x6c [msm] [ 346.267752] mipi_dsi_detach+0x34/0x50 [ 346.272264] adv7533_mode_set+0x68/0x90 [adv7511] [ 346.275826] adv7511_bridge_mode_set+0x218/0x220 [adv7511] [ 346.280600] drm_bridge_chain_mode_set+0x64/0x90 [drm] [ 346.285983] crtc_set_mode+0x190/0x1e0 [drm_kms_helper] [ 346.291104] drm_atomic_helper_commit_modeset_disables+0x48/0x60 [drm_kms_helper] [ 346.296228] msm_atomic_commit_tail+0x1a0/0x8d0 [msm] [ 346.303867] commit_tail+0xac/0x184 [drm_kms_helper] [ 346.308900] drm_atomic_helper_commit+0x150/0x37c [drm_kms_helper] [ 346.313935] drm_atomic_commit+0xb0/0xf0 [drm] [ 346.319926] drm_client_modeset_commit_atomic+0x208/0x260 [drm] [ 346.324352] drm_client_modeset_commit_locked+0x68/0x1a0 [drm] [ 346.330168] drm_client_modeset_commit+0x3c/0x64 [drm] [ 346.336069] drm_fb_helper_set_par+0xd4/0x130 [drm_kms_helper] [ 346.341192] drm_fb_helper_hotplug_event.part.0+0xb8/0xf0 [drm_kms_helper] [ 346.347008] drm_fb_helper_output_poll_changed+0x44/0x50 [drm_kms_helper] [ 346.353866] drm_kms_helper_hotplug_event+0x38/0x50 [drm_kms_helper] [ 346.360723] drm_bridge_connector_hpd_cb+0xa4/0xbc [drm_kms_helper] [ 346.367147] drm_bridge_hpd_notify+0x48/0x64 [drm] [ 346.373135] adv7511_hpd_work+0x124/0x13c [adv7511] [ 346.377996] process_one_work+0x1dc/0x450 [ 346.382769] worker_thread+0x154/0x450 [ 346.386935] kthread+0x100/0x110 [ 346.390581] ret_from_fork+0x10/0x20 [ 346.393973] Code: b940b821 0a020021 36d00041 97fff18b (3901427f) [ 346.397534] ---[ end trace 0000000000000000 ]--- kernel[351]: [ 346.393973] Code: b940b821 0a020021 36d00041 97fff18b (3901427f) [ 346.617897] fbcon_init: detected unhandled fb_set_par error, error code -16 [ 346.619178] Console: switching to colour frame buffer device 240x67 Starting subtest: hdmi-frame-dump Subtest hdmi-frame-dump: FAIL (1.775s) https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v5.19-rc5/testrun/10489230/suite/log-parser-test/test/check-kernel-oops-5238446/details/ -- Linaro LKFT https://lkft.linaro.org
