Oops#1 Part3 <7>[ 264.949747] i915 0000:00:02.0: [drm:drm_sysfs_connector_remove] [CONNECTOR:176:HDMI-A-2] removing connector from sysfs <7>[ 264.986750] i915 0000:00:02.0: [drm:i915_hdcp_component_unbind [i915]] I915 HDCP comp unbind <1>[ 265.603899] BUG: kernel NULL pointer dereference, address: 0000000000000095 <1>[ 265.603917] #PF: supervisor read access in kernel mode <1>[ 265.603924] #PF: error_code(0x0000) - not-present page <6>[ 265.603931] PGD 0 P4D 0 <4>[ 265.603939] Oops: Oops: 0000 [#1] SMP PTI <4>[ 265.603949] CPU: 1 UID: 0 PID: 6477 Comm: perf_pmu Tainted: G S U L 7.1.0-rc2-Patchwork_164541v2-g1dac77f19ea5+ #1 PREEMPT(lazy) <4>[ 265.603964] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 265.603970] Hardware name: Intel Corporation NUC7CJYH/NUC7JYB, BIOS JYGLKCPX.86A.0027.2018.0125.1347 01/25/2018 <4>[ 265.603980] RIP: 0010:_free_event+0x3e/0x370 <4>[ 265.603993] Code: 50 04 00 00 e8 43 d8 f2 ff 48 8d bb 70 04 00 00 e8 37 d8 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>[ 265.604008] RSP: 0018:ffffc90001117ae8 EFLAGS: 00010246 <4>[ 265.604015] RAX: 0000000000000000 RBX: ffff8881012e07c8 RCX: 0000000000000001 <4>[ 265.604023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 265.604030] RBP: ffffc90001117b00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 265.604037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 <4>[ 265.604043] R13: ffff8881012e07c8 R14: ffff8881012e0ab8 R15: ffff8881012e07c8 Oops#1 Part2 <4>[ 265.604051] FS: 0000000000000000(0000) GS:ffff8882f3d8a000(0000) knlGS:0000000000000000 <4>[ 265.604061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 265.604068] CR2: 0000000000000095 CR3: 0000000110aca000 CR4: 0000000000352ef0 <4>[ 265.604076] Call Trace: <4>[ 265.604081] <4>[ 265.604087] perf_event_release_kernel+0x260/0x2d0 <4>[ 265.604098] perf_release+0x12/0x20 <4>[ 265.604106] __fput+0x10a/0x300 <4>[ 265.604116] ____fput+0x15/0x20 <4>[ 265.604122] task_work_run+0x60/0xb0 <4>[ 265.604132] do_exit+0x316/0xb60 <4>[ 265.604140] ? _raw_spin_unlock_irq+0x27/0x70 <4>[ 265.604150] ? trace_hardirqs_on+0x22/0xf0 <4>[ 265.604160] do_group_exit+0x3a/0xb0 <4>[ 265.604167] __x64_sys_exit_group+0x18/0x20 <4>[ 265.604174] x64_sys_call+0x175a/0x26e0 <4>[ 265.604184] do_syscall_64+0x103/0x1410 <4>[ 265.604193] ? __lock_acquire+0x43e/0x2790 <4>[ 265.604201] ? do_wp_page+0xa2f/0xd40 <4>[ 265.604214] ? find_held_lock+0x31/0x90 <4>[ 265.604222] ? rcu_read_unlock+0x1c/0x80 <4>[ 265.604231] ? lock_release+0xd0/0x2b0 <4>[ 265.604239] ? find_held_lock+0x31/0x90 <4>[ 265.604247] ? exc_page_fault+0x96/0x2b0 <4>[ 265.604254] ? lock_release+0xd0/0x2b0 <4>[ 265.604262] ? trace_hardirqs_on_prepare+0xd7/0xf0 <4>[ 265.604271] ? do_syscall_64+0x34/0x1410 <4>[ 265.604277] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 265.604285] ? trace_hardirqs_on+0x22/0xf0 <4>[ 265.604293] ? do_syscall_64+0xb8/0x1410 <4>[ 265.604299] ? clear_bhb_loop+0x30/0x80 <4>[ 265.604308] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 265.604315] RIP: 0033:0x7eca9e2ee21d Oops#1 Part1 <4>[ 265.604322] Code: Unable to access opcode bytes at 0x7eca9e2ee1f3. <4>[ 265.604329] RSP: 002b:00007ffe865804b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 <4>[ 265.604339] RAX: ffffffffffffffda RBX: 00007eca9e404fa8 RCX: 00007eca9e2ee21d <4>[ 265.604346] RDX: 00000000000000e7 RSI: fffffffffffffed8 RDI: 0000000000000062 <4>[ 265.604354] RBP: 00007ffe86580510 R08: 00007ffe86580460 R09: 0000000000000007 <4>[ 265.604361] R10: 0000631397fbead0 R11: 0000000000000206 R12: 0000000000000003 <4>[ 265.604368] R13: 0000000000000000 R14: 0000000000000062 R15: 00007eca9e404fc0 <4>[ 265.604381] <4>[ 265.604386] Modules linked in: vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi prime_numbers drm_buddy ttm drm_display_helper cec i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_pmc_bxt cmdlinepart intel_telemetry_pltdrv intel_punit_ipc intel_telemetry_core spi_nor x86_pkg_temp_thermal intel_powerclamp mtd coretemp spi_intel_platform kvm_intel ee1004 rtsx_pci_sdmmc spi_intel mei_hdcp mei_pxp wmi_bmof kvm irqbypass aesni_intel gf128mul rapl intel_cstate r8169 realtek phy_package rtsx_pci binfmt_misc video i2c_i801 i2c_mux i2c_smbus lpc_ich ir_rc6_decoder nls_iso8859_1 rc_rc6_mce i2c_hid_acpi i2c_hid ite_cir hid rc_core snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep intel_pmc_core pmt_telemetry snd_pcm pmt_discovery pmt_class pinctrl_geminilake intel_pmc_ssram_telemetry snd_timer intel_vsec snd mei_me soundcore mei wmi input_leds psmouse serio_raw nvme_fabrics efi_pstore fuse dm_multipath msr nfnetlink autofs4 [last unloaded: i915] <4>[ 265.604553] CR2: 0000000000000095 <4>[ 265.604560] ---[ end trace 0000000000000000 ]---