Thank you for clarification. Yes, system looks stable. The only thing that bothers is that these messages are visible for a moment during power off/suspend.
Please close this ticket -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1932336 Title: Numerous ACPI BIOS Error (bug) errors during boot Status in linux package in Ubuntu: New Bug description: I've noticed that on every boot numerous errors appears: [ 2.547015] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547028] No Local Variables are initialized for Method [_TMP] [ 2.547030] No Arguments are initialized for method [_TMP] [ 2.547033] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN2._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547381] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547388] No Local Variables are initialized for Method [_TMP] [ 2.547389] No Arguments are initialized for method [_TMP] [ 2.547391] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN2._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547398] thermal thermal_zone2: failed to read out thermal zone (-5) [ 2.547459] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547465] No Local Variables are initialized for Method [_TMP] [ 2.547466] No Arguments are initialized for method [_TMP] [ 2.547468] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN3._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547583] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547589] No Local Variables are initialized for Method [_TMP] [ 2.547590] No Arguments are initialized for method [_TMP] [ 2.547592] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN3._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547598] thermal thermal_zone3: failed to read out thermal zone (-5) [ 2.547642] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547647] No Local Variables are initialized for Method [_TMP] [ 2.547648] No Arguments are initialized for method [_TMP] [ 2.547650] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN4._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547901] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547906] No Local Variables are initialized for Method [_TMP] [ 2.547907] No Arguments are initialized for method [_TMP] [ 2.547909] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN4._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.547915] thermal thermal_zone4: failed to read out thermal zone (-5) [ 2.547980] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.547985] No Local Variables are initialized for Method [_TMP] [ 2.547987] No Arguments are initialized for method [_TMP] [ 2.547988] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN5._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) [ 2.548230] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.LPCB.IEC.ECRD], AE_NOT_FOUND (20201113/psargs-330) [ 2.548235] No Local Variables are initialized for Method [_TMP] [ 2.548237] No Arguments are initialized for method [_TMP] [ 2.548238] ACPI Error: Aborting method \_SB.PCI0.LPCB.I_EC.SEN5._TMP due to previous error (AE_NOT_FOUND) (20201113/psparse-529) Seems that it's not affecting how PC works, just could be seen for a moment during poweroff/reboot. I'm not sure what could cause these errors so I don't know what else I can provide. This happens on the Lenovo AiO PC, full specs are listed here https://psref.lenovo.com/Detail/IdeaCentre/IdeaCentre_AIO_5_27IMB05?M=F0FA0066UA ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: linux-image-generic 5.11.0.18.19 ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17 Uname: Linux 5.11.0-18-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: asudak 1816 F.... pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: GNOME Date: Thu Jun 17 18:27:43 2021 InstallationDate: Installed on 2021-04-13 (65 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 174f:1800 Syntek Integrated RGB Camera Bus 001 Device 003: ID 8087:0029 Intel Corp. AX200 Bluetooth Bus 001 Device 002: ID 17ef:60a9 Lenovo Lenovo Essential Wireless Keyboard and Mouse Combo Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO F0FA0066UA ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-18-generic root=UUID=9ef69356-31e9-488f-9a6b-99e10c0ed863 ro quiet splash vt.handoff=7 RebootRequiredPkgs: gnome-shell RelatedPackageVersions: linux-restricted-modules-5.11.0-18-generic N/A linux-backports-modules-5.11.0-18-generic N/A linux-firmware 1.197.1 SourcePackage: linux UpgradeStatus: Upgraded to hirsute on 2021-04-18 (59 days ago) dmi.bios.date: 03/31/2021 dmi.bios.release: 1.32 dmi.bios.vendor: LENOVO dmi.bios.version: O4VKT32A dmi.board.asset.tag: INVALID dmi.board.name: 371F dmi.board.vendor: LENOVO dmi.board.version: SDK0J40688 WIN 3424143288435 dmi.chassis.type: 13 dmi.chassis.vendor: LENOVO dmi.chassis.version: 0.1 dmi.ec.firmware.release: 1.13 dmi.modalias: dmi:bvnLENOVO:bvrO4VKT32A:bd03/31/2021:br1.32:efr1.13:svnLENOVO:pnF0FA0066UA:pvrIdeaCentreAIO527IMB05:rvnLENOVO:rn371F:rvrSDK0J40688WIN3424143288435:cvnLENOVO:ct13:cvr0.1: dmi.product.family: IdeaCentre AIO 5 27IMB05 dmi.product.name: F0FA0066UA dmi.product.sku: LENOVO_MT_F0FA_BU_Lenovo_FM_IdeaCentre AIO 5 27IMB05 dmi.product.version: IdeaCentre AIO 5 27IMB05 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1932336/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp