Oops#1 Part6 <7>[ 571.392510] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK on first message, retry <7>[ 571.393119] i915 0000:00:02.0: [drm:do_gmbus_xfer [i915]] GMBUS [i915 gmbus dpb] NAK for addr: 0054 w(1) <7>[ 571.393295] i915 0000:00:02.0: [drm:drm_scdc_set_high_tmds_clock_ratio [drm_display_helper]] [CONNECTOR:587:HDMI-A-1] Failed to read TMDS config: -6 <7>[ 571.393311] i915 0000:00:02.0: [drm:intel_ddi_disable [i915]] [CONNECTOR:587:HDMI-A-1] Failed to reset sink scrambling/TMDS bit clock ratio <7>[ 571.393815] i915 0000:00:02.0: [drm:intel_disable_transcoder [i915]] disabling pipe A <7>[ 571.398812] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DDI_IO_B <7>[ 571.399121] i915 0000:00:02.0: [drm:intel_dpll_disable [i915]] disable DPLL 0 (active 0x1, on? 1) for [CRTC:170:pipe A] <7>[ 571.399342] i915 0000:00:02.0: [drm:intel_dpll_disable [i915]] disabling DPLL 0 <7>[ 571.399521] i915 0000:00:02.0: [drm:intel_set_cdclk [i915]] Pre changing CDCLK to 172800 kHz, VCO 345600 kHz, ref 38400 kHz, bypass 19200 kHz, voltage level 0 <7>[ 571.399827] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:586:DDI B/PHY B] <7>[ 571.400011] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:596:DDI TC1/PHY TC1] <7>[ 571.400172] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:598:DP-MST A] <7>[ 571.400335] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:599:DP-MST B] <7>[ 571.400494] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:600:DP-MST C] Oops#1 Part5 <7>[ 571.400651] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:601:DP-MST D] <7>[ 571.400825] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:606:DDI TC2/PHY TC2] <7>[ 571.400990] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:608:DP-MST A] <7>[ 571.401146] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:609:DP-MST B] <7>[ 571.401300] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:610:DP-MST C] <7>[ 571.401455] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:611:DP-MST D] <7>[ 571.401608] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:615:DDI TC3/PHY TC3] <7>[ 571.401792] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:617:DP-MST A] <7>[ 571.401948] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:618:DP-MST B] <7>[ 571.402102] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:619:DP-MST C] <7>[ 571.402256] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:620:DP-MST D] <7>[ 571.402410] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:624:DDI TC4/PHY TC4] <7>[ 571.402563] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:626:DP-MST A] <7>[ 571.402716] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:627:DP-MST B] <7>[ 571.402893] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:628:DP-MST C] <7>[ 571.403055] i915 0000:00:02.0: [drm:intel_modeset_verify_disabled [i915]] [ENCODER:629:DP-MST D] Oops#1 Part4 <7>[ 571.403214] i915 0000:00:02.0: [drm:verify_connector_state [i915]] [CONNECTOR:587:HDMI-A-1] <7>[ 571.403546] i915 0000:00:02.0: [drm:gen9_dbuf_slices_update [i915]] Updating dbuf slices to 0x1 <7>[ 571.403789] i915 0000:00:02.0: [drm:intel_modeset_verify_crtc [i915]] [CRTC:170:pipe A] <7>[ 571.425061] i915 0000:00:02.0: [drm:intel_gt_set_wedged [i915]] called from intel_gt_set_wedged_on_fini+0x12/0x50 [i915] <7>[ 571.439113] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:587:HDMI-A-1] removing connector from sysfs <7>[ 571.441501] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:597:DP-1] removing connector from sysfs <7>[ 571.444295] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:607:DP-2] removing connector from sysfs <7>[ 571.447975] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:616:DP-3] removing connector from sysfs <7>[ 571.450707] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:625:DP-4] removing connector from sysfs <7>[ 571.478099] i915 0000:00:02.0: [drm:i915_hdcp_component_unbind [i915]] I915 HDCP comp unbind <7>[ 571.482376] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port D/TC#1: TC port mode reset (legacy -> disconnected) pin assignment: - max lanes: 4 <7>[ 571.483073] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port E/TC#2: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4 <7>[ 571.485309] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4 Oops#1 Part3 <7>[ 571.486942] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling TC_cold_off <7>[ 571.488575] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded <7>[ 571.488891] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port G/TC#4: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4 <1>[ 571.883026] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 571.883035] #PF: supervisor read access in kernel mode <1>[ 571.883038] #PF: error_code(0x0000) - not-present page <6>[ 571.883040] PGD 0 P4D 0 <4>[ 571.883044] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 571.883048] CPU: 6 UID: 0 PID: 2640 Comm: perf_pmu Tainted: G S U L N 7.0.0-rc4-CI_DRM_18160-ga25d8c583e1e+ #1 PREEMPT(lazy) <4>[ 571.883054] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP, [N]=TEST <4>[ 571.883056] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 571.883060] RIP: 0010:_free_event+0x3e/0x370 <4>[ 571.883066] Code: 60 04 00 00 e8 43 5a f3 ff 48 8d bb 80 04 00 00 e8 37 5a f3 ff 48 83 bb 08 03 00 00 00 0f 84 e9 00 00 00 48 8b 83 98 00 00 00 80 95 00 00 00 08 74 0d f6 83 02 01 00 00 10 0f 84 a8 00 00 00 <4>[ 571.883072] RSP: 0018:ffffc900003c7a90 EFLAGS: 00010246 <4>[ 571.883075] RAX: 0000000000000000 RBX: ffff888119b346e8 RCX: 0000000000000001 <4>[ 571.883078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 571.883080] RBP: ffffc900003c7aa8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 571.883083] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 Oops#1 Part2 <4>[ 571.883086] R13: ffff888119b346e8 R14: ffff888119b349e0 R15: ffff888119b346e8 <4>[ 571.883088] FS: 0000000000000000(0000) GS:ffff88851c19b000(0000) knlGS:0000000000000000 <4>[ 571.883092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 571.883095] CR2: 0000000000000095 CR3: 000000000344c005 CR4: 0000000000f72ef0 <4>[ 571.883099] PKRU: 55555554 <4>[ 571.883101] Call Trace: <4>[ 571.883104] <4>[ 571.883108] perf_event_release_kernel+0x260/0x2d0 <4>[ 571.883115] perf_release+0x12/0x20 <4>[ 571.883118] __fput+0x10a/0x2f0 <4>[ 571.883122] ____fput+0x15/0x20 <4>[ 571.883125] task_work_run+0x60/0xb0 <4>[ 571.883129] do_exit+0x309/0xb80 <4>[ 571.883133] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 571.883138] ? trace_hardirqs_on+0x22/0x100 <4>[ 571.883143] do_group_exit+0x3a/0xb0 <4>[ 571.883147] __x64_sys_exit_group+0x18/0x20 <4>[ 571.883150] x64_sys_call+0x175a/0x26e0 <4>[ 571.883154] do_syscall_64+0xdd/0x1470 <4>[ 571.883159] ? find_held_lock+0x31/0x90 <4>[ 571.883162] ? rcu_read_unlock+0x1c/0x80 <4>[ 571.883166] ? lock_release+0xd0/0x2b0 <4>[ 571.883171] ? __lock_acquire+0x43e/0x2790 <4>[ 571.883175] ? do_wp_page+0x904/0xef0 <4>[ 571.883183] ? find_held_lock+0x31/0x90 <4>[ 571.883187] ? rcu_read_unlock+0x1c/0x80 <4>[ 571.883192] ? lock_release+0xd0/0x2b0 <4>[ 571.883199] ? find_held_lock+0x31/0x90 <4>[ 571.883202] ? exc_page_fault+0x96/0x2c0 <4>[ 571.883207] ? lock_release+0xd0/0x2b0 <4>[ 571.883213] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 571.883219] ? irqentry_exit+0x17d/0x780 <4>[ 571.883226] ? clear_bhb_loop+0x30/0x80 <4>[ 571.883230] entry_SYSCALL_64_after_hwframe+0x76/0x7e Oops#1 Part1 <4>[ 571.883233] RIP: 0033:0x7d36e38ee21d <4>[ 571.883237] Code: Unable to access opcode bytes at 0x7d36e38ee1f3. <4>[ 571.883239] RSP: 002b:00007fff64f788a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 <4>[ 571.883243] RAX: ffffffffffffffda RBX: 00007d36e3a04fa8 RCX: 00007d36e38ee21d <4>[ 571.883246] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 571.883249] RBP: 00007fff64f78900 R08: 00007fff64f78850 R09: 0000000000000007 <4>[ 571.883252] R10: 000063801cdb3a80 R11: 0000000000000206 R12: 0000000000000003 <4>[ 571.883255] R13: 0000000000000000 R14: 0000000000000062 R15: 00007d36e3a04fc0 <4>[ 571.883260] <4>[ 571.883262] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit tps6598x typec overlay intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp cmdlinepart ee1004 spi_nor coretemp mei_hdcp mtd mei_pxp wmi_bmof kvm_intel snd_intel_dspcfg snd_hda_codec kvm irqbypass ghash_clmulni_intel snd_hda_core aesni_intel snd_hwdep rapl snd_pcm intel_cstate i2c_i801 snd_timer i2c_mux spi_intel_pci snd video spi_intel i2c_smbus igc idma64 soundcore thunderbolt mei_me mei igen6_edac wmi binfmt_misc serial_multi_instantiate intel_pmc_core pmt_telemetry nls_iso8859_1 pmt_discovery pmt_class intel_pmc_ssram_telemetry acpi_pad acpi_tad pinctrl_tigerlake intel_vsec dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 571.883324] CR2: 0000000000000095 <4>[ 571.883327] ---[ end trace 0000000000000000 ]---