Oops#1 Part3 <7>[ 544.615589] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded <7>[ 544.615911] 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>[ 545.044560] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 545.044572] #PF: supervisor read access in kernel mode <1>[ 545.044577] #PF: error_code(0x0000) - not-present page <6>[ 545.044582] PGD 0 P4D 0 <4>[ 545.044588] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 545.044595] CPU: 4 UID: 0 PID: 2796 Comm: perf_pmu Tainted: G S U L 7.1.0-rc2-CI_DRM_18461-g11d2d2a0077b+ #1 PREEMPT(lazy) <4>[ 545.044605] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 545.044610] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 545.044617] RIP: 0010:_free_event+0x3e/0x370 <4>[ 545.044627] Code: 50 04 00 00 e8 f3 d7 f2 ff 48 8d bb 70 04 00 00 e8 e7 d7 f2 ff 48 83 bb 00 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>[ 545.044638] RSP: 0018:ffffc9000068fb38 EFLAGS: 00010246 <4>[ 545.044644] RAX: 0000000000000000 RBX: ffff8881444d4d88 RCX: 0000000000000001 <4>[ 545.044649] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 545.044654] RBP: ffffc9000068fb50 R08: 0000000000000000 R09: 0000000000000000 <4>[ 545.044659] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 545.044664] R13: ffff8881444d4d88 R14: ffff8881444d5078 R15: ffff8881444d4d88 Oops#1 Part2 <4>[ 545.044669] FS: 0000000000000000(0000) GS:ffff88851c083000(0000) knlGS:0000000000000000 <4>[ 545.044677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 545.044682] CR2: 0000000000000095 CR3: 000000000344a006 CR4: 0000000000f72ef0 <4>[ 545.044688] PKRU: 55555554 <4>[ 545.044692] Call Trace: <4>[ 545.044695] <4>[ 545.044699] perf_event_release_kernel+0x260/0x2d0 <4>[ 545.044708] perf_release+0x12/0x20 <4>[ 545.044714] __fput+0x10a/0x300 <4>[ 545.044721] ____fput+0x15/0x20 <4>[ 545.044726] task_work_run+0x60/0xb0 <4>[ 545.044734] do_exit+0x316/0xb60 <4>[ 545.044740] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 545.044747] ? trace_hardirqs_on+0x22/0xf0 <4>[ 545.044757] do_group_exit+0x3a/0xb0 <4>[ 545.044763] __x64_sys_exit_group+0x18/0x20 <4>[ 545.044769] x64_sys_call+0x175a/0x26e0 <4>[ 545.044777] do_syscall_64+0x103/0x1410 <4>[ 545.044785] ? __lock_acquire+0x43e/0x2790 <4>[ 545.044792] ? do_wp_page+0xa2f/0xd40 <4>[ 545.044802] ? find_held_lock+0x31/0x90 <4>[ 545.044809] ? rcu_read_unlock+0x1c/0x80 <4>[ 545.044817] ? lock_release+0xd0/0x2b0 <4>[ 545.044823] ? find_held_lock+0x31/0x90 <4>[ 545.044830] ? exc_page_fault+0x96/0x2b0 <4>[ 545.044836] ? lock_release+0xd0/0x2b0 <4>[ 545.044842] ? trace_hardirqs_on_prepare+0xd7/0xf0 <4>[ 545.044850] ? do_syscall_64+0x34/0x1410 <4>[ 545.044856] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 545.044863] ? trace_hardirqs_on+0x22/0xf0 <4>[ 545.044870] ? do_syscall_64+0xb8/0x1410 <4>[ 545.044876] ? clear_bhb_loop+0x30/0x80 <4>[ 545.044883] entry_SYSCALL_64_after_hwframe+0x76/0x7e Oops#1 Part1 <4>[ 545.044888] RIP: 0033:0x74c8a64ee21d <4>[ 545.044894] Code: Unable to access opcode bytes at 0x74c8a64ee1f3. <4>[ 545.044899] RSP: 002b:00007ffc0b2cb0d8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 <4>[ 545.044906] RAX: ffffffffffffffda RBX: 000074c8a6604fa8 RCX: 000074c8a64ee21d <4>[ 545.044912] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 545.044918] RBP: 00007ffc0b2cb130 R08: 00007ffc0b2cb080 R09: 0000000000000007 <4>[ 545.044923] R10: 00006057f55d0a80 R11: 0000000000000202 R12: 0000000000000003 <4>[ 545.044929] R13: 0000000000000000 R14: 0000000000000062 R15: 000074c8a6604fc0 <4>[ 545.044939] <4>[ 545.044942] 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 intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp cmdlinepart ee1004 spi_nor mei_pxp mei_hdcp coretemp mtd tps6598x typec wmi_bmof kvm_intel snd_intel_dspcfg snd_hda_codec kvm irqbypass aesni_intel snd_hda_core snd_hwdep gf128mul snd_pcm snd_timer rapl intel_cstate i2c_i801 snd spi_intel_pci mei_me i2c_mux soundcore igc video spi_intel i2c_smbus idma64 mei binfmt_misc serial_multi_instantiate nls_iso8859_1 intel_pmc_core pmt_telemetry pmt_discovery pmt_class pinctrl_tigerlake intel_pmc_ssram_telemetry intel_vsec thunderbolt acpi_tad wmi acpi_pad igen6_edac dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 545.045049] CR2: 0000000000000095 <4>[ 545.045055] ---[ end trace 0000000000000000 ]---