Closed issue by dkwo on void-packages repository https://github.com/void-linux/void-packages/issues/31968 Description: I'm not sure I understand what is going on, but my console and dmesg are flooded with errors and warnings if I boot 5.13 kernel. Here's an excerpt: ``` BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page Oops: 0010 [#1] SMP PTI CPU: 2 PID: 829 Comm: tpacpi-bat Tainted: G O 5.13.2_1 #1 Hardware name: LENOVO 20F9CTO1WW/20F9CTO1WW, BIOS N1CET83W (1.51 ) 04/20/2021 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff9b36008d7e98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff89da41e5a600 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff89da84dd1000 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffffffffffea R14: ffff89da84dd1000 R15: 0000000000000000 FS: 00007f69b146eb08(0000) GS:ffff89de6d500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000013f886006 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: proc_reg_llseek+0x45/0x80 ksys_lseek+0x7d/0xb0 do_syscall_64+0x61/0x80 ? do_syscall_64+0x6e/0x80 ? exit_to_user_mode_prepare+0x32/0x160 ? asm_exc_page_fault+0x8/0x30 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f69b142ce9d Code: 00 00 0f 05 48 89 c7 e8 91 13 fb ff 48 83 c4 08 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 63 ff 48 63 d2 b8 08 00 00 00 0f 05 <48> 89 c7 e9 6b 13 fb ff 66 2e 0f 1f 84 00 00 00 00 00 90 8d 47 27 RSP: 002b:00007ffd7e5039b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 RAX: ffffffffffffffda RBX: 00007f69b13b1ea0 RCX: 00007f69b142ce9d RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f69b1011190 R08: 0000000000000000 R09: 00007f69b145f320 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69b1036020 R13: 00007ffd7e503bc0 R14: 00007f69b1036170 R15: 00007f69b0f024e0 Modules linked in: 8021q garp mrp stp llc nls_iso8859_1 nls_cp437 vfat fat snd_hda_codec_hdmi snd_ctl_led snd_hda_codec_realtek snd_hda_codec_generic uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc btusb btrtl btbcm btintel joydev snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc i915 snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi intel_rapl_msr snd_soc_core iwlmvm snd_compress iTCO_wdt intel_pmc_bxt snd_pcm_dmaeng ine i2c_algo_bit ee1004 ac97_bus mei_wdt mei_hdcp iTCO_vendor_support drm_kms_helper intel_rapl_common mac80211 snd_hda_intel wmi_bmof snd_intel_dspcfg snd_intel_sdw_acpi libarc4 cec intel_tcc_cooling x86_pkg_temp_thermal rc_core iwlwifi snd_hda_codec intel_powerclamp evdev coretemp input_leds rapl psmouse mac_hid pcspkr snd_hda_core intel_cstate snd_hwdep i2c_i801 drm snd_pcm i2c_smbus mei_me cfg80211 intel_gtt thinkpad_acpi agpgart syscopyarea sysfillrect platform_profile intel_xhci_usb_role_switch sysimgblt mei roles intel_pch_thermal fb_sys_fops wmi thermal battery ledtrig_audio ac video tiny_power_button button acpi_call(O) snd_seq snd_seq_device snd_timer snd soundcore vhost_vsock vmw_vsock_virtio_transport_common vsock vhost_net vhost vhost_iotlb tap uhid hid hci_vhci bluetooth ecdh_generic rfkill ecc vfio_iommu_type1 vfio uinput userio ppp_generic slhc tun loop nvram btrfs blake2b_generic xor raid6_pq libcrc32c crc32c_generic cuse fuse ext4 jbd2 mbcache crc16 dm_crypt encrypted_keys trusted dm_mod tee asn1_encoder crct10dif_pclmul ghash_clmulni_intel aesni_intel crypto_simd crc32c_intel crc32_pclmul cryptd serio_raw xhci_pci tpm_tis tpm_tis_core tpm_crb xhci_hcd usbkbd tpm xhci_pci_renesas rng_core usbcore CR2: 0000000000000000 ---[ end trace aed1170c717f0d3f ]--- ``` How should I debug this? is it a problem of my machine only, or is it common? Thanks.