Oops#1 Part3 <7>[ 369.461420] i915 0000:00:02.0: [drm:intel_tc_port_reset_mode [i915]] Port F/TC#3: TC port mode reset (tbt-alt -> disconnected) pin assignment: - max lanes: 4 <7>[ 369.463285] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling TC_cold_off <7>[ 369.464935] i915 0000:00:02.0: [drm:tgl_tc_cold_request [i915]] TC cold unblock succeeded <7>[ 369.465226] 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>[ 369.856604] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 369.856613] #PF: supervisor read access in kernel mode <1>[ 369.856616] #PF: error_code(0x0000) - not-present page <6>[ 369.856619] PGD 0 P4D 0 <4>[ 369.856622] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 369.856626] CPU: 1 UID: 0 PID: 2463 Comm: perf_pmu Tainted: G S U L N 7.0.0-rc3-CI_DRM_18114-g6fb391baa605+ #1 PREEMPT(lazy) <4>[ 369.856632] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP, [N]=TEST <4>[ 369.856635] Hardware name: Intel(R) Client Systems NUC11TNHi5/NUC11TNBi5, BIOS TNTGL357.0042.2020.1221.1743 12/21/2020 <4>[ 369.856640] RIP: 0010:_free_event+0x3e/0x370 <4>[ 369.856645] 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>[ 369.856651] RSP: 0018:ffffc900004cfb80 EFLAGS: 00010246 <4>[ 369.856655] RAX: 0000000000000000 RBX: ffff8881165e5e88 RCX: 0000000000000001 <4>[ 369.856658] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 Oops#1 Part2 <4>[ 369.856661] RBP: ffffc900004cfb98 R08: 0000000000000000 R09: 0000000000000000 <4>[ 369.856664] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 369.856666] R13: ffff8881165e5e88 R14: ffff8881165e6180 R15: ffff8881165e5e88 <4>[ 369.856669] FS: 0000000000000000(0000) GS:ffff88851bf1b000(0000) knlGS:0000000000000000 <4>[ 369.856674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 369.856677] CR2: 0000000000000095 CR3: 000000000344c006 CR4: 0000000000f72ef0 <4>[ 369.856680] PKRU: 55555554 <4>[ 369.856682] Call Trace: <4>[ 369.856684] <4>[ 369.856686] perf_event_release_kernel+0x260/0x2d0 <4>[ 369.856691] perf_release+0x12/0x20 <4>[ 369.856695] __fput+0x10a/0x2f0 <4>[ 369.856699] ____fput+0x15/0x20 <4>[ 369.856702] task_work_run+0x60/0xb0 <4>[ 369.856706] do_exit+0x309/0xb80 <4>[ 369.856710] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 369.856715] ? trace_hardirqs_on+0x22/0x100 <4>[ 369.856720] do_group_exit+0x3a/0xb0 <4>[ 369.856724] __x64_sys_exit_group+0x18/0x20 <4>[ 369.856729] x64_sys_call+0x175a/0x26e0 <4>[ 369.856733] do_syscall_64+0xdd/0x1470 <4>[ 369.856738] ? find_held_lock+0x31/0x90 <4>[ 369.856743] ? rcu_read_unlock+0x1c/0x80 <4>[ 369.856747] ? lock_release+0xd0/0x2b0 <4>[ 369.856752] ? find_held_lock+0x31/0x90 <4>[ 369.856755] ? exc_page_fault+0x96/0x2c0 <4>[ 369.856759] ? lock_release+0xd0/0x2b0 <4>[ 369.856763] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 369.856768] ? irqentry_exit+0x17d/0x780 <4>[ 369.856772] ? clear_bhb_loop+0x30/0x80 <4>[ 369.856777] entry_SYSCALL_64_after_hwframe+0x76/0x7e Oops#1 Part1 <4>[ 369.856780] RIP: 0033:0x7e7e43eee21d <4>[ 369.856784] Code: Unable to access opcode bytes at 0x7e7e43eee1f3. <4>[ 369.856786] RSP: 002b:00007ffe634aedf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 <4>[ 369.856791] RAX: ffffffffffffffda RBX: 00007e7e44004fa8 RCX: 00007e7e43eee21d <4>[ 369.856794] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 369.856797] RBP: 00007ffe634aee50 R08: 00007ffe634aeda0 R09: 0000000000000007 <4>[ 369.856800] R10: 00006495f300ea80 R11: 0000000000000202 R12: 0000000000000003 <4>[ 369.856803] R13: 0000000000000000 R14: 0000000000000062 R15: 00007e7e44004fc0 <4>[ 369.856810] <4>[ 369.856811] 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 ee1004 spi_nor mei_pxp mei_hdcp 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 snd_timer igc i2c_i801 spi_intel_pci i2c_mux snd idma64 mei_me spi_intel i2c_smbus soundcore mei video thunderbolt binfmt_misc serial_multi_instantiate intel_pmc_core igen6_edac pmt_telemetry wmi pmt_discovery nls_iso8859_1 pmt_class intel_pmc_ssram_telemetry acpi_pad intel_vsec acpi_tad pinctrl_tigerlake dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 369.856876] CR2: 0000000000000095 <4>[ 369.856879] ---[ end trace 0000000000000000 ]---