igt@i915_selftest@live@gt_pm - incomplete - DEBUG_LOCKS_WARN_ON(debug_atomic_read(nr_unused_locks) != nr_unused)
https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_9287/shard-mtlp-3/igt@i915_selftest@live@gt_pm.html
<7> [508.142463] i915 0000:00:02.0: [drm:skl_wm_init [i915]] SAGV supported: yes, original SAGV block time: 10 us
<4> [508.143610] ------------[ cut here ]------------
<4> [508.143627] DEBUG_LOCKS_WARN_ON(debug_atomic_read(nr_unused_locks) != nr_unused)
<4> [508.143649] WARNING: CPU: 2 PID: 1096 at kernel/locking/lockdep_proc.c:283 lockdep_stats_show+0xc42/0xc50
<4> [508.143687] Modules linked in: i915(+) drm_display_helper drm_kms_helper vgem drm_shmem_helper fuse snd_hda_codec_hdmi r8153_ecm cdc_ether usbnet x86_pkg_temp_thermal coretemp kvm_intel kvm snd_intel_dspcfg snd_hda_codec r8152 prime_numbers irqbypass i2c_algo_bit snd_hwdep wmi_bmof mii crct10dif_pclmul ttm crc32_pclmul snd_hda_core e1000e ghash_clmulni_intel i2c_i801 video drm_buddy snd_pcm ptp mei_me i2c_smbus pps_core mei intel_lpss_pci wmi [last unloaded: i915]
<4> [508.143858] CPU: 2 PID: 1096 Comm: igt_runner Tainted: G U 6.4.0-rc7-CI_DRM_13329-gbd707928a4b4+ #1
<4> [508.143874] Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P LP5x T3 RVP, BIOS MTLPFWI1.R00.3223.D80.2305311348 05/31/2023
<4> [508.143882] RIP: 0010:lockdep_stats_show+0xc42/0xc50
<4> [508.143902] Code: 00 85 c0 0f 84 09 f6 ff ff 8b 05 95 c6 72 01 85 c0 0f 85 fb f5 ff ff 48 c7 c6 80 32 42 82 48 c7 c7 e0 b0 3b 82 e8 1e 1d f7 ff <0f> 0b e9 e1 f5 ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90
<4> [508.143914] RSP: 0018:ffffc90003063d60 EFLAGS: 00010282
<4> [508.143927] RAX: 0000000000000000 RBX: 0000000000017d94 RCX: 0000000000000000
<4> [508.143936] RDX: 0000000000000002 RSI: ffffffff823ccd34 RDI: 00000000ffffffff
<4> [508.143943] RBP: ffff888105b38b90 R08: 0000000000000000 R09: ffffc90003063c00
<4> [508.143950] R10: fffffffffff0a508 R11: fffffffffff0a550 R12: 00000000000003e5
<4> [508.143957] R13: 000000000000005d R14: 0000000000000129 R15: 0000000000000003
<4> [508.143964] FS: 00007fe8e92f2100(0000) GS:ffff88885eb00000(0000) knlGS:0000000000000000
<4> [508.143974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [508.143981] CR2: 00007f8526b7d000 CR3: 000000010f69c001 CR4: 0000000000f70ee0
<4> [508.143989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [508.143995] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400
<4> [508.144001] PKRU: 55555554
<4> [508.144006] Call Trace:
<4> [508.144013] <TASK>
<4> [508.144020] ? __warn+0x7f/0x170
<4> [508.144121] ? lockdep_stats_show+0xc42/0xc50
<6> [508.152933] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/mtl_dmc.bin (v2.12)
<7> [508.173348] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM0 latency 7 (7.0 usec)
<4> [508.187023] ? report_bug+0x1f8/0x200
<7> [508.209017] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM1 latency 72 (72.0 usec)
<4> [508.237358] ? handle_bug+0x3c/0x70
<7> [508.359168] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM2 latency 75 (75.0 usec)
<4> [508.390111] ? exc_invalid_op+0x18/0x70
<7> [508.427519] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM3 latency 107 (107.0 usec)
<4> [508.442257] ? asm_exc_invalid_op+0x1a/0x20
<7> [508.497919] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM4 latency 140 (140.0 usec)
<4> [508.513443] ? lockdep_stats_show+0xc42/0xc50
<7> [508.534616] i915 0000:00:02.0: [drm:intel_print_wm_latency [i915]] Gen9 Plane WM5 latency 161 (161.0 usec)
<4> [508.555805] seq_read_iter+0x111/0x450
<7> [508.583749] i915 0000:00:02.0: [drm:intel_display_driver_probe_nogem [i915]] 4 display pipes available.
<4> [508.598151] proc_reg_read_iter+0x46/0x70
<7> [508.625034] i915 0000:00:02.0: [drm:intel_cdclk_dump_config [i915]] Current CDCLK 172800 kHz, VCO 614400 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0
<4> [508.643306] vfs_read+0x1b5/0x2f0
<7> [508.660660] i915 0000:00:02.0: [drm:intel_update_max_cdclk [i915]] Max CD clock rate: 652800 kHz
<4> [508.681517] ksys_read+0x64/0xe0
<4> [508.681527] do_syscall_64+0x3c/0x90
<7> [508.702687] i915 0000:00:02.0: [drm:intel_display_driver_probe_nogem [i915]] Max dotclock rate: 1305600 kHz
<4> [508.723854] entry_SYSCALL_64_after_hwframe+0x72/0xdc
<7> [508.731957] i915 0000:00:02.0: [drm:intel_dp_aux_ch [i915]] [ENCODER:235:DDI A/PHY A] using AUX A (VBT)
<4> [508.739153] RIP: 0033:0x7fe8ebae5392
<7> [508.745428] i915 0000:00:02.0: [drm:intel_dp_init_connector [i915]] Adding eDP connector on [ENCODER:235:DDI A/PHY A]
<4> [508.754952] Code: ac 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb be 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
<7> [508.767950] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] Panel type (VBT): 2
<4> [508.792645] RSP: 002b:00007ffd5ea91858 EFLAGS: 00000246
<7> [508.820244] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] Selected panel type (VBT): 2
<4> [508.831115] ORIG_RAX: 0000000000000000
<7> [508.859219] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] DRRS supported mode is seamless
<4> [508.869570] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe8ebae5392
<7> [508.897725] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] Found panel mode in BIOS VBT legacy lfp table: "1024x768": 60 65000 1024 1048 1184 1344 768 771 777 806 0x8 0xa
<4> [508.909073] RDX: 0000000000000fcd RSI: 00007ffd5ea918a2 RDI: 000000000000000f
<7> [508.937689] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] VBT initial LVDS value 300
<4> [508.950089] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000
<7> [508.978723] i915 0000:00:02.0: [drm:dump_pnp_id [i915]] Panel PNPID mfg: MS_ (0x7f36), prod: 3, serial: 3, week: 0, year: 2002
<4> [508.991635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd5ea91870
<7> [509.020253] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] Panel name: LFP_PanelName
<4> [509.031367] R13: 0000000000000001 R14: 000055ac17ee0808 R15: 00007ffd5ea93070
<4> [509.031379] </TASK>
<7> [509.059230] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] Seamless DRRS min refresh rate: 0 Hz
<4> [509.071129] irq event stamp: 4033721
<7> [509.113126] i915 0000:00:02.0: [drm:intel_bios_init_panel [i915]] VBT backlight PWM modulation frequency 200 Hz, active high, min brightness 6, level 255, controller 0
<4> [509.122972] hardirqs last enabled at (4033721): [<ffffffff81e0148a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
<7> [509.149215] i915 0000:00:02.0: [drm:intel_pps_init [i915]] [ENCODER:235:DDI A/PHY A] initial power sequencer: PPS 0
<4> [509.158626] hardirqs last disabled at (4033720): [<ffffffff81c8c7ef>] sysvec_apic_timer_interrupt+0xf/0xd0
<4> [509.158637] softirqs last enabled at (4033686): [<ffffffff81c9df7d>] __do_softirq+0x2bd/0x3a9
<7> [509.169312] i915 0000:00:02.0: [drm:intel_pps_dump_state [i915]] bios t1_t3 2000 t8 1 t9 1 t10 500 t11_t12 6000
<4> [509.198163] softirqs last disabled at (4033681): [<ffffffff810d721e>] irq_exit_rcu+0xae/0xf0
<7> [509.213151] i915 0000:00:02.0: [drm:intel_pps_dump_state [i915]] vbt t1_t3 2000 t8 10 t9 2000 t10 500 t11_t12 6000
<4> [509.240993] ---[ end trace 0000000000000000 ]---