Oops#1 Part3 <7>[ 406.992053] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:607:DP-2] removing connector from sysfs <7>[ 406.995190] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:616:DP-3] removing connector from sysfs <7>[ 406.997853] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:625:DP-4] removing connector from sysfs <7>[ 407.022346] i915 0000:00:02.0: [drm:i915_hdcp_component_unbind [i915]] I915 HDCP comp unbind <1>[ 407.455359] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 407.455368] #PF: supervisor read access in kernel mode <1>[ 407.455372] #PF: error_code(0x0000) - not-present page <6>[ 407.455375] PGD 0 P4D 0 <4>[ 407.455378] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 407.455383] CPU: 1 UID: 0 PID: 2621 Comm: perf_pmu Tainted: G S U L N 7.0.0-rc3-CI_DRM_18142-g4082c266f293+ #1 PREEMPT(lazy) <4>[ 407.455394] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP, [N]=TEST <4>[ 407.455397] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 407.455402] RIP: 0010:_free_event+0x3e/0x370 <4>[ 407.455408] 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>[ 407.455416] RSP: 0018:ffffc90002833b00 EFLAGS: 00010246 <4>[ 407.455419] RAX: 0000000000000000 RBX: ffff8881177a6e48 RCX: 0000000000000001 <4>[ 407.455423] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 407.455427] RBP: ffffc90002833b18 R08: 0000000000000000 R09: 0000000000000000 Oops#1 Part2 <4>[ 407.455431] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 407.455434] R13: ffff8881177a6e48 R14: ffff8881177a7140 R15: ffff8881177a6e48 <4>[ 407.455438] FS: 0000000000000000(0000) GS:ffff88851bf1b000(0000) knlGS:0000000000000000 <4>[ 407.455442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 407.455445] CR2: 0000000000000095 CR3: 000000000344c003 CR4: 0000000000f72ef0 <4>[ 407.455449] PKRU: 55555554 <4>[ 407.455451] Call Trace: <4>[ 407.455453] <4>[ 407.455456] perf_event_release_kernel+0x260/0x2d0 <4>[ 407.455461] perf_release+0x12/0x20 <4>[ 407.455465] __fput+0x10a/0x2f0 <4>[ 407.455470] ____fput+0x15/0x20 <4>[ 407.455473] task_work_run+0x60/0xb0 <4>[ 407.455477] do_exit+0x309/0xb80 <4>[ 407.455481] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 407.455487] ? trace_hardirqs_on+0x22/0x100 <4>[ 407.455492] do_group_exit+0x3a/0xb0 <4>[ 407.455496] __x64_sys_exit_group+0x18/0x20 <4>[ 407.455501] x64_sys_call+0x175a/0x26e0 <4>[ 407.455505] do_syscall_64+0xdd/0x1470 <4>[ 407.455510] ? __lock_acquire+0x43e/0x2790 <4>[ 407.455515] ? do_wp_page+0x924/0xf10 <4>[ 407.455523] ? find_held_lock+0x31/0x90 <4>[ 407.455526] ? rcu_read_unlock+0x1c/0x80 <4>[ 407.455531] ? lock_release+0xd0/0x2b0 <4>[ 407.455535] ? find_held_lock+0x31/0x90 <4>[ 407.455539] ? exc_page_fault+0x96/0x2c0 <4>[ 407.455543] ? lock_release+0xd0/0x2b0 <4>[ 407.455547] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 407.455552] ? irqentry_exit+0x17d/0x780 <4>[ 407.455557] ? clear_bhb_loop+0x30/0x80 <4>[ 407.455561] entry_SYSCALL_64_after_hwframe+0x76/0x7e Oops#1 Part1 <4>[ 407.455565] RIP: 0033:0x72d7710ee21d <4>[ 407.455568] Code: Unable to access opcode bytes at 0x72d7710ee1f3. <4>[ 407.455572] RSP: 002b:00007ffd2e313758 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 <4>[ 407.455576] RAX: ffffffffffffffda RBX: 000072d771204fa8 RCX: 000072d7710ee21d <4>[ 407.455580] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 407.455584] RBP: 00007ffd2e3137b0 R08: 00007ffd2e313700 R09: 0000000000000007 <4>[ 407.455587] R10: 0000620c72631ac0 R11: 0000000000000206 R12: 0000000000000003 <4>[ 407.455591] R13: 0000000000000000 R14: 0000000000000062 R15: 000072d771204fc0 <4>[ 407.455597] <4>[ 407.455599] 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 intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp cmdlinepart coretemp spi_nor ee1004 mei_pxp mei_hdcp mtd wmi_bmof kvm_intel kvm irqbypass ghash_clmulni_intel snd_intel_dspcfg aesni_intel snd_hda_codec snd_hda_core rapl snd_hwdep snd_pcm intel_cstate snd_timer igc i2c_i801 spi_intel_pci snd mei_me idma64 i2c_mux spi_intel soundcore i2c_smbus mei video thunderbolt binfmt_misc igen6_edac serial_multi_instantiate intel_pmc_core pmt_telemetry pmt_discovery nls_iso8859_1 pmt_class wmi intel_pmc_ssram_telemetry intel_vsec pinctrl_tigerlake acpi_tad acpi_pad dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 407.455673] CR2: 0000000000000095 <4>[ 407.455676] ---[ end trace 0000000000000000 ]---