Oops#1 Part3 <7>[ 220.996501] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling TC_cold_off <7>[ 220.998359] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded <7>[ 220.998659] 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>[ 221.402484] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 221.402493] #PF: supervisor read access in kernel mode <1>[ 221.402496] #PF: error_code(0x0000) - not-present page <6>[ 221.402499] PGD 0 P4D 0 <4>[ 221.402503] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 221.402507] CPU: 1 UID: 0 PID: 2312 Comm: perf_pmu Tainted: G S U L 7.0.0-rc6-CI_DRM_18253-g8d31b64e763b+ #1 PREEMPT(lazy) <4>[ 221.402513] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 221.402516] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 221.402520] RIP: 0010:_free_event+0x3e/0x370 <4>[ 221.402526] Code: 60 04 00 00 e8 f3 58 f3 ff 48 8d bb 80 04 00 00 e8 e7 58 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>[ 221.402532] RSP: 0018:ffffc90001c77ad0 EFLAGS: 00010246 <4>[ 221.402535] RAX: 0000000000000000 RBX: ffff888101abc6e8 RCX: 0000000000000001 <4>[ 221.402538] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 221.402541] RBP: ffffc90001c77ae8 R08: 0000000000000000 R09: 0000000000000000 Oops#1 Part2 <4>[ 221.402544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 221.402547] R13: ffff888101abc6e8 R14: ffff888101abc9e0 R15: ffff888101abc6e8 <4>[ 221.402550] FS: 0000000000000000(0000) GS:ffff88851bf17000(0000) knlGS:0000000000000000 <4>[ 221.402554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 221.402557] CR2: 0000000000000095 CR3: 000000000344c001 CR4: 0000000000f72ef0 <4>[ 221.402561] PKRU: 55555554 <4>[ 221.402563] Call Trace: <4>[ 221.402565] <4>[ 221.402567] perf_event_release_kernel+0x260/0x2d0 <4>[ 221.402572] perf_release+0x12/0x20 <4>[ 221.402576] __fput+0x10a/0x2f0 <4>[ 221.402581] ____fput+0x15/0x20 <4>[ 221.402583] task_work_run+0x60/0xb0 <4>[ 221.402588] do_exit+0x309/0xb80 <4>[ 221.402592] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 221.402597] ? trace_hardirqs_on+0x22/0x100 <4>[ 221.402603] do_group_exit+0x3a/0xb0 <4>[ 221.402606] __x64_sys_exit_group+0x18/0x20 <4>[ 221.402609] x64_sys_call+0x175a/0x26e0 <4>[ 221.402614] do_syscall_64+0xdd/0x1440 <4>[ 221.402618] ? lock_release+0xd0/0x2b0 <4>[ 221.402624] ? __lock_acquire+0x43e/0x2790 <4>[ 221.402628] ? do_wp_page+0x904/0xef0 <4>[ 221.402633] ? find_held_lock+0x31/0x90 <4>[ 221.402636] ? rcu_read_unlock+0x1c/0x80 <4>[ 221.402640] ? lock_release+0xd0/0x2b0 <4>[ 221.402645] ? find_held_lock+0x31/0x90 <4>[ 221.402648] ? exc_page_fault+0x96/0x2c0 <4>[ 221.402651] ? lock_release+0xd0/0x2b0 <4>[ 221.402656] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 221.402660] ? irqentry_exit+0x17d/0x780 <4>[ 221.402664] ? clear_bhb_loop+0x30/0x80 <4>[ 221.402668] entry_SYSCALL_64_after_hwframe+0x76/0x7e Oops#1 Part1 <4>[ 221.402672] RIP: 0033:0x7a61f54ee21d <4>[ 221.402675] Code: Unable to access opcode bytes at 0x7a61f54ee1f3. <4>[ 221.402678] RSP: 002b:00007ffea718a9c8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 <4>[ 221.402682] RAX: ffffffffffffffda RBX: 00007a61f5604fa8 RCX: 00007a61f54ee21d <4>[ 221.402685] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 221.402688] RBP: 00007ffea718aa20 R08: 00007ffea718a970 R09: 0000000000000007 <4>[ 221.402691] R10: 0000651cd7271a80 R11: 0000000000000202 R12: 0000000000000003 <4>[ 221.402694] R13: 0000000000000000 R14: 0000000000000062 R15: 00007a61f5604fc0 <4>[ 221.402700] <4>[ 221.402702] 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 spi_nor ee1004 mei_hdcp mei_pxp coretemp mtd wmi_bmof kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel snd_intel_dspcfg snd_hda_codec rapl snd_hda_core intel_cstate snd_hwdep snd_pcm igc idma64 snd_timer i2c_i801 mei_me snd spi_intel_pci i2c_mux soundcore i2c_smbus video spi_intel mei thunderbolt igen6_edac serial_multi_instantiate binfmt_misc intel_pmc_core pmt_telemetry pmt_discovery pmt_class wmi nls_iso8859_1 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>[ 221.402767] CR2: 0000000000000095 <4>[ 221.402770] ---[ end trace 0000000000000000 ]---