Oops#1 Part3 <7>[ 402.873505] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:521:DP-2] removing connector from sysfs <7>[ 402.873834] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:530:HDMI-A-1] removing connector from sysfs <7>[ 402.877262] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:536:DP-3] removing connector from sysfs <7>[ 402.877852] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:544:HDMI-A-2] removing connector from sysfs <7>[ 402.884656] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:548:DP-4] removing connector from sysfs <7>[ 402.885048] i915 0000:03:00.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:556:HDMI-A-3] removing connector from sysfs <1>[ 403.370637] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 403.370644] #PF: supervisor read access in kernel mode <1>[ 403.370647] #PF: error_code(0x0000) - not-present page <6>[ 403.370650] PGD 0 P4D 0 <4>[ 403.370653] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 403.370658] CPU: 0 UID: 0 PID: 3373 Comm: perf_pmu Tainted: G S U L N 7.0.0-CI_DRM_18350-g898b5aa235c5+ #1 PREEMPT(lazy) <4>[ 403.370664] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP, [N]=TEST <4>[ 403.370667] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021 <4>[ 403.370672] RIP: 0010:_free_event+0x3e/0x370 <4>[ 403.370678] Code: 60 04 00 00 e8 03 58 f3 ff 48 8d bb 80 04 00 00 e8 f7 57 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 Oops#1 Part2 <4>[ 403.370686] RSP: 0018:ffffc90004507d10 EFLAGS: 00010246 <4>[ 403.370689] RAX: 0000000000000000 RBX: ffff88810148c6e8 RCX: 0000000000000001 <4>[ 403.370693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 403.370696] RBP: ffffc90004507d28 R08: 0000000000000000 R09: 0000000000000000 <4>[ 403.370700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 403.370703] R13: ffff88810148c6e8 R14: ffff88810148c9e0 R15: ffff88810148c6e8 <4>[ 403.370707] FS: 0000000000000000(0000) GS:ffff8884d9697000(0000) knlGS:0000000000000000 <4>[ 403.370711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 403.370714] CR2: 0000000000000095 CR3: 000000000344c005 CR4: 00000000003726f0 <4>[ 403.370718] Call Trace: <4>[ 403.370720] <4>[ 403.370722] perf_event_release_kernel+0x260/0x2d0 <4>[ 403.370727] perf_release+0x12/0x20 <4>[ 403.370731] __fput+0x10a/0x2f0 <4>[ 403.370735] ____fput+0x15/0x20 <4>[ 403.370738] task_work_run+0x60/0xb0 <4>[ 403.370742] do_exit+0x309/0xb80 <4>[ 403.370745] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 403.370749] ? trace_hardirqs_on+0x22/0x100 <4>[ 403.370754] do_group_exit+0x3a/0xb0 <4>[ 403.370758] __x64_sys_exit_group+0x18/0x20 <4>[ 403.370761] x64_sys_call+0x175a/0x26e0 <4>[ 403.370765] do_syscall_64+0xdd/0x1440 <4>[ 403.370768] ? irqentry_exit+0x17d/0x780 <4>[ 403.370772] ? clear_bhb_loop+0x30/0x80 <4>[ 403.370776] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 403.370779] RIP: 0033:0x7f0b826ee21d Oops#1 Part1 <4>[ 403.370783] Code: Unable to access opcode bytes at 0x7f0b826ee1f3. <4>[ 403.370786] RSP: 002b:00007ffdb95a0b98 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 <4>[ 403.370791] RAX: ffffffffffffffda RBX: 00007f0b82804fa8 RCX: 00007f0b826ee21d <4>[ 403.370794] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 403.370798] RBP: 00007ffdb95a0bf0 R08: 00007ffdb95a0b40 R09: 0000000000000007 <4>[ 403.370801] R10: 000058cbbdfe2e50 R11: 0000000000000202 R12: 0000000000000003 <4>[ 403.370804] R13: 0000000000000000 R14: 0000000000000062 R15: 00007f0b82804fc0 <4>[ 403.370811] <4>[ 403.370812] 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 cmdlinepart spi_nor intel_tcc_cooling x86_pkg_temp_thermal ee1004 intel_powerclamp mtd coretemp mei_pxp wmi_bmof intel_wmi_thunderbolt mei_hdcp ppdev kvm_intel kvm irqbypass ghash_clmulni_intel snd_intel_dspcfg aesni_intel snd_hda_codec rapl intel_cstate snd_hda_core snd_hwdep i2c_i801 snd_pcm i2c_mux snd_timer i2c_smbus video e1000e snd spi_intel_pci spi_intel soundcore idma64 mei_me mei intel_pch_thermal wmi parport_pc parport intel_pmc_core binfmt_misc pmt_telemetry pmt_discovery pmt_class intel_pmc_ssram_telemetry pinctrl_cannonlake acpi_tad intel_vsec acpi_pad nls_iso8859_1 input_leds serio_raw dm_multipath msr nvme_fabrics efi_pstore fuse nfnetlink autofs4 [last unloaded: i915] <4>[ 403.370883] CR2: 0000000000000095 <4>[ 403.370886] ---[ end trace 0000000000000000 ]---