Oops#1 Part4 <7>[ 780.853950] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.875098] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.896243] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.917368] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.938514] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.959645] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 780.980783] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.001933] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.023084] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.044207] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.065345] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.086483] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.107636] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) <7>[ 781.128761] i915 0000:03:00.0: [drm:intel_dp_aux_xfer [i915]] AUX D/DDI D/PHY D: timeout (status 0x7d40023f) Oops#1 Part3 <7>[ 781.128968] [drm:drm_dp_dpcd_access [drm_display_helper]] AUX D/DDI D/PHY D: Too many retries, giving up. First error: -110 <7>[ 781.130114] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:547:DP-4] removing connector from sysfs <7>[ 781.130454] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:555:HDMI-A-3] removing connector from sysfs <7>[ 781.130545] i915 0000:03:00.0: [drm:intel_power_well_disable [i915]] disabling AUX_D <1>[ 781.618645] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 781.618653] #PF: supervisor read access in kernel mode <1>[ 781.618657] #PF: error_code(0x0000) - not-present page <6>[ 781.618661] PGD 0 P4D 0 <4>[ 781.618665] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 781.618670] CPU: 3 UID: 0 PID: 2950 Comm: perf_pmu Tainted: G S U L 7.0.0-rc4-CI_DRM_18153-gf0700a5f37f7+ #1 PREEMPT(lazy) <4>[ 781.618678] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 781.618681] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021 <4>[ 781.618687] RIP: 0010:_free_event+0x3e/0x370 <4>[ 781.618694] 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>[ 781.618704] RSP: 0018:ffffc9000268bbb0 EFLAGS: 00010246 <4>[ 781.618709] RAX: 0000000000000000 RBX: ffff8881163a3f08 RCX: 0000000000000001 <4>[ 781.618713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 Oops#1 Part2 <4>[ 781.618717] RBP: ffffc9000268bbc8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 781.618722] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 781.618726] R13: ffff8881163a3f08 R14: ffff8881163a4200 R15: ffff8881163a3f08 <4>[ 781.618730] FS: 0000000000000000(0000) GS:ffff8884d981b000(0000) knlGS:0000000000000000 <4>[ 781.618735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 781.618740] CR2: 0000000000000095 CR3: 000000000344c004 CR4: 00000000003726f0 <4>[ 781.618744] Call Trace: <4>[ 781.618747] <4>[ 781.618750] perf_event_release_kernel+0x260/0x2d0 <4>[ 781.618756] perf_release+0x12/0x20 <4>[ 781.618761] __fput+0x10a/0x2f0 <4>[ 781.618766] ____fput+0x15/0x20 <4>[ 781.618770] task_work_run+0x60/0xb0 <4>[ 781.618775] do_exit+0x309/0xb80 <4>[ 781.618780] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 781.618786] ? trace_hardirqs_on+0x22/0x100 <4>[ 781.618792] do_group_exit+0x3a/0xb0 <4>[ 781.618797] __x64_sys_exit_group+0x18/0x20 <4>[ 781.618802] x64_sys_call+0x175a/0x26e0 <4>[ 781.618807] do_syscall_64+0xdd/0x1470 <4>[ 781.618814] ? find_held_lock+0x31/0x90 <4>[ 781.618818] ? rcu_read_unlock+0x1c/0x80 <4>[ 781.618824] ? lock_release+0xd0/0x2b0 <4>[ 781.618829] ? find_held_lock+0x31/0x90 <4>[ 781.618833] ? exc_page_fault+0x96/0x2c0 <4>[ 781.618839] ? lock_release+0xd0/0x2b0 <4>[ 781.618844] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 781.618850] ? irqentry_exit+0x17d/0x780 <4>[ 781.618855] ? clear_bhb_loop+0x30/0x80 <4>[ 781.618860] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 781.618864] RIP: 0033:0x72a01acee21d Oops#1 Part1 <4>[ 781.618868] Code: Unable to access opcode bytes at 0x72a01acee1f3. <4>[ 781.618872] RSP: 002b:00007ffddec4b6d8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 <4>[ 781.618878] RAX: ffffffffffffffda RBX: 000072a01ae04fa8 RCX: 000072a01acee21d <4>[ 781.618883] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 781.618887] RBP: 00007ffddec4b730 R08: 00007ffddec4b680 R09: 0000000000000007 <4>[ 781.618891] R10: 0000599d55988330 R11: 0000000000000202 R12: 0000000000000003 <4>[ 781.618895] R13: 0000000000000000 R14: 0000000000000062 R15: 000072a01ae04fc0 <4>[ 781.618904] <4>[ 781.618906] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi mei_lb mei_gsc prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp cmdlinepart coretemp ee1004 spi_nor mtd ppdev kvm_intel mei_hdcp mei_pxp wmi_bmof intel_wmi_thunderbolt kvm irqbypass ghash_clmulni_intel aesni_intel rapl intel_cstate i2c_i801 video spi_intel_pci i2c_mux spi_intel i2c_smbus e1000e snd_intel_dspcfg parport_pc parport snd_hda_codec snd_hda_core binfmt_misc snd_hwdep snd_pcm snd_timer intel_pmc_core snd soundcore pmt_telemetry pinctrl_cannonlake pmt_discovery idma64 pmt_class wmi intel_pmc_ssram_telemetry intel_vsec acpi_pad acpi_tad mei_me mei nls_iso8859_1 intel_pch_thermal input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 781.618993] CR2: 0000000000000095 <4>[ 781.618997] ---[ end trace 0000000000000000 ]---