I have the same issue on my AMD PC after upgrading to 18.04. Before there was no such message. It doesn't look harmful any way (Ubuntu seems to work just fine for months now), just troubling.
-- 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/1773024 Title: Errors at boot Status in linux package in Ubuntu: Confirmed Bug description: LOGS DMESG: [ 0.048089] ACPI: Added _OSI(Module Device) [ 0.048090] ACPI: Added _OSI(Processor Device) [ 0.048091] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.048091] ACPI: Added _OSI(Processor Aggregator Device) [ 0.049587] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.049598] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.049607] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.049615] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.049676] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.049684] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.049692] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.049700] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.049760] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.049768] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.049776] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.049783] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.049843] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.049851] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.049859] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.049867] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.049925] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.049933] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.049941] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.049948] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050008] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.050016] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.050024] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050032] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.050091] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050099] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.050107] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.050115] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.050173] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.050181] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.050190] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.050198] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050258] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.050267] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.050274] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050282] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.050342] ACPI Exception: Could not find/resolve named package element: LNKA (20170831/dspkginit-381) [ 0.050350] ACPI Exception: Could not find/resolve named package element: LNKB (20170831/dspkginit-381) [ 0.050357] ACPI Exception: Could not find/resolve named package element: LNKC (20170831/dspkginit-381) [ 0.050365] ACPI Exception: Could not find/resolve named package element: LNKD (20170831/dspkginit-381) [ 0.054169] ACPI: Interpreter enabled [ 0.054188] ACPI: (supports S0 S3 S4 S5) [ 0.054189] ACPI: Using IOAPIC for interrupt routing [ 0.054269] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.054425] ACPI: Enabled 5 GPEs in block 00 to 1F [ 0.057299] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.057304] acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.057308] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 0.057606] PCI host bridge to bus 0000:00 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-22-generic 4.15.0-22.24 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Wed May 23 23:47:16 2018 InstallationDate: Installed on 2018-05-23 (0 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_CH.UTF-8 SHELL=/bin/bash SourcePackage: linux-signed UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1773024/+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
