After installing linux513 I’ve noticed this in dmesg:
[ 5.023913] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 5.023918] #PF: supervisor instruction fetch in kernel mode
[ 5.023921] #PF: error_code(0x0010) - not-present page
[ 5.023923] PGD 0 P4D 0
[ 5.023925] Oops: 0010 [#1] PREEMPT SMP PTI
[ 5.023929] CPU: 2 PID: 931 Comm: tpacpi-bat Tainted: P OE 5.13.1-3-MANJARO #1
[ 5.023932] Hardware name: LENOVO 20ENCTO1WW/20ENCTO1WW, BIOS N1EET90W (1.63 ) 10/21/2020
[ 5.023933] RIP: 0010:0x0
[ 5.023938] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
[ 5.023940] RSP: 0018:ffffc1ecc316fef0 EFLAGS: 00010246
[ 5.023942] RAX: 0000000000000000 RBX: ffff9eadc32433c0 RCX: 0000000000000001
[ 5.023944] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9eadc5834b00
[ 5.023946] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001
[ 5.023947] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 5.023947] R13: ffffffffffffffea R14: ffff9eadc5834b00 R15: 0000000000000000
[ 5.023949] FS: 00007fc84879b740(0000) GS:ffff9eb53f680000(0000) knlGS:0000000000000000
[ 5.023951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.023952] CR2: ffffffffffffffd6 CR3: 000000012c21c006 CR4: 00000000003706e0
[ 5.023953] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5.023954] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5.023956] Call Trace:
[ 5.023957] proc_reg_llseek+0x49/0x80
[ 5.023961] ? __fdget_pos+0x13/0x50
[ 5.023965] ksys_lseek+0x7d/0xb0
[ 5.023967] do_syscall_64+0x40/0x80
[ 5.023970] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 5.023974] RIP: 0033:0x7fc848a3299b
[ 5.023975] Code: ff ff c3 0f 1f 40 00 48 8b 15 d1 04 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 f3 0f 1e fa b8 08 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 a1 04 0d 00 f7 d8
[ 5.023977] RSP: 002b:00007ffe9efd5748 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
[ 5.023979] RAX: ffffffffffffffda RBX: 00007fc848eb9de0 RCX: 00007fc848a3299b
[ 5.023980] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000003
[ 5.023981] RBP: 0000557da6a81c40 R08: 00007ffe9efd56f0 R09: 00000000ffffffff
[ 5.023982] R10: 00007fc848b03a00 R11: 0000000000000246 R12: 0000557da6a612a0
[ 5.023983] R13: 00007ffe9efd5950 R14: 0000557da6a613e0 R15: 0000557da6b3e6e0
[ 5.023986] Modules linked in: xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c cmac br_netfilter algif_hash algif_skcipher af_alg bnep uvcvideo btusb btrtl btbcm videobuf2_vmalloc btintel videobuf2_memops videobuf2_v4l2 bluetooth videobuf2_common videodev mc ecdh_generic ecc usbhid bridge stp llc overlay joydev mousedev rmi_smbus rmi_core intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel mac80211 libarc4 snd_ctl_led kvm snd_hda_codec_realtek vfat fat iwlwifi snd_hda_codec_generic irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel aesni_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec crypto_simd mei_wdt cryptd mei_hdcp intel_wmi_thunderbolt wmi_bmof ee1004 tpm_crb snd_hda_core rapl cfg80211 snd_hwdep snd_pcm intel_cstate thinkpad_acpi e1000e psmouse intel_uncore pcspkr mei_me i2c_i801
[ 5.024026] snd_timer tpm_tis platform_profile i2c_smbus ledtrig_audio mei tpm_tis_core rfkill intel_pch_thermal wmi snd soundcore tpm rng_core mac_hid zram nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) fuse acpi_call(OE) crypto_user ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 rtsx_pci_sdmmc mmc_core serio_raw atkbd libps2 crc32c_intel rtsx_pci xhci_pci i8042 serio i915 i2c_algo_bit intel_gtt video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm agpgart
[ 5.024066] CR2: 0000000000000000
[ 5.024067] ---[ end trace 4be638d5406f058d ]---
[ 5.024068] RIP: 0010:0x0
[ 5.024070] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
[ 5.024071] RSP: 0018:ffffc1ecc316fef0 EFLAGS: 00010246
[ 5.024072] RAX: 0000000000000000 RBX: ffff9eadc32433c0 RCX: 0000000000000001
[ 5.024073] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9eadc5834b00
[ 5.024074] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001
[ 5.024075] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 5.024076] R13: ffffffffffffffea R14: ffff9eadc5834b00 R15: 0000000000000000
[ 5.024077] FS: 00007fc84879b740(0000) GS:ffff9eb53f680000(0000) knlGS:0000000000000000
[ 5.024079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.024080] CR2: ffffffffffffffd6 CR3: 000000012c21c006 CR4: 00000000003706e0
[ 5.024081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5.024082] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5.115777] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 5.115781] #PF: supervisor instruction fetch in kernel mode
[ 5.115783] #PF: error_code(0x0010) - not-present page
[ 5.115784] PGD 0 P4D 0
[ 5.115786] Oops: 0010 [#2] PREEMPT SMP PTI
[ 5.115788] CPU: 0 PID: 1012 Comm: tpacpi-bat Tainted: P D OE 5.13.1-3-MANJARO #1
[ 5.115791] Hardware name: LENOVO 20ENCTO1WW/20ENCTO1WW, BIOS N1EET90W (1.63 ) 10/21/2020
[ 5.115793] RIP: 0010:0x0
[ 5.115798] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
[ 5.115800] RSP: 0018:ffffc1ecc32e7ef0 EFLAGS: 00010246
[ 5.115802] RAX: 0000000000000000 RBX: ffff9eadc32433c0 RCX: 0000000000000002
[ 5.115805] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9eadc77e2400
[ 5.115807] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001
[ 5.115808] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 5.115810] R13: ffffffffffffffea R14: ffff9eadc77e2400 R15: 0000000000000000
[ 5.115812] FS: 00007f6f13712740(0000) GS:ffff9eb53f600000(0000) knlGS:0000000000000000
[ 5.115815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.115817] CR2: ffffffffffffffd6 CR3: 000000012c21c001 CR4: 00000000003706f0
[ 5.115819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5.115820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5.115822] Call Trace:
[ 5.115825] proc_reg_llseek+0x49/0x80
[ 5.115833] ? __fdget_pos+0x13/0x50
[ 5.115848] ksys_lseek+0x7d/0xb0
[ 5.115850] do_syscall_64+0x40/0x80
[ 5.115853] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 5.115857] RIP: 0033:0x7f6f139a999b
[ 5.115859] Code: ff ff c3 0f 1f 40 00 48 8b 15 d1 04 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 f3 0f 1e fa b8 08 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 a1 04 0d 00 f7 d8
[ 5.115861] RSP: 002b:00007fff20a95228 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
[ 5.115863] RAX: ffffffffffffffda RBX: 00007f6f13e30de0 RCX: 00007f6f139a999b
[ 5.115864] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000003
[ 5.115865] RBP: 000055f4f8f72c40 R08: 00007fff20a951d0 R09: 00000000ffffffff
[ 5.115866] R10: 00007f6f13a7aa00 R11: 0000000000000246 R12: 000055f4f8f522a0
[ 5.115867] R13: 00007fff20a95430 R14: 000055f4f8f523e0 R15: 000055f4f9074ea0
[ 5.115870] Modules linked in: xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_filter iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c cmac br_netfilter algif_hash algif_skcipher af_alg bnep uvcvideo btusb btrtl btbcm videobuf2_vmalloc btintel videobuf2_memops videobuf2_v4l2 bluetooth videobuf2_common videodev mc ecdh_generic ecc usbhid bridge stp llc overlay joydev mousedev rmi_smbus rmi_core intel_rapl_msr intel_rapl_common intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel mac80211 libarc4 snd_ctl_led kvm snd_hda_codec_realtek vfat fat iwlwifi snd_hda_codec_generic irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel aesni_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec crypto_simd mei_wdt cryptd mei_hdcp intel_wmi_thunderbolt wmi_bmof ee1004 tpm_crb snd_hda_core rapl cfg80211 snd_hwdep snd_pcm intel_cstate thinkpad_acpi e1000e psmouse intel_uncore pcspkr mei_me i2c_i801
[ 5.115912] snd_timer tpm_tis platform_profile i2c_smbus ledtrig_audio mei tpm_tis_core rfkill intel_pch_thermal wmi snd soundcore tpm rng_core mac_hid zram nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) fuse acpi_call(OE) crypto_user ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 rtsx_pci_sdmmc mmc_core serio_raw atkbd libps2 crc32c_intel rtsx_pci xhci_pci i8042 serio i915 i2c_algo_bit intel_gtt video drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm agpgart
[ 5.115942] CR2: 0000000000000000
[ 5.115944] ---[ end trace 4be638d5406f058e ]---
[ 5.115946] RIP: 0010:0x0
[ 5.115949] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
[ 5.115950] RSP: 0018:ffffc1ecc316fef0 EFLAGS: 00010246
[ 5.115952] RAX: 0000000000000000 RBX: ffff9eadc32433c0 RCX: 0000000000000001
[ 5.115954] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff9eadc5834b00
[ 5.115956] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000001
[ 5.115958] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[ 5.115959] R13: ffffffffffffffea R14: ffff9eadc5834b00 R15: 0000000000000000
[ 5.115961] FS: 00007f6f13712740(0000) GS:ffff9eb53f600000(0000) knlGS:0000000000000000
[ 5.115963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.115965] CR2: ffffffffffffffd6 CR3: 000000012c21c001 CR4: 00000000003706f0
[ 5.115966] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5.115967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
This entry disappears after uninstalling the acpi_call module and doesn’t show up at all on linux510 with or without acpi_call.
H/w: ThinkPad P50.