I also have these issues and many more on the Dell Precision 7540 with i7 9750H.
Operating System: Arch Linux KDE Plasma Version: 5.17.1 KDE Frameworks Version: 5.63.0 Qt Version: 5.13.1 Kernel Version: 5.3.7-arch1-2-ARCH OS Type: 64-bit Processors: 12 × Intel® Core™ i7-9750H CPU @ 2.60GHz Memory: 15.4 GiB of RAM josh@archkde ~]$ dmesg --level=err,warn [ 0.462714] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.501751] #7 #8 #9 #10 #11 [ 0.669133] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' [ 1.377049] nvme nvme0: missing or invalid SUBNQN field. [ 2.044527] [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon [ 2.044566] [drm:intel_ddi_init [i915]] *ERROR* LSPCON init failed on port D [ 2.080526] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS [ 2.481314] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 2.481844] i8042: Warning: Keylock active [ 2.494764] usb: port power management may be unreliable [ 3.067640] acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) [ 3.067673] wmi_bus wmi_bus-PNP0C14:03: WQBC data block query control method not found [ 3.067674] acpi PNP0C14:03: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) [ 3.084883] acpi PNP0C14:04: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) [ 3.123514] acpi PNP0C14:05: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) [ 3.278780] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 -- 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/1806437 Title: acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) Status in Linux: Confirmed Status in linux package in Ubuntu: Confirmed Bug description: Hello, dmesg: [ 15.390738] acpi PNP0C14:02: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01) Best regards, -- Cristian Aravena Romero (caravena) ProblemType: Bug DistroRelease: Ubuntu 19.04 Package: linux-image-4.18.0-11-generic 4.18.0-11.12 ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12 Uname: Linux 4.18.0-11-generic x86_64 ApportVersion: 2.20.10-0ubuntu14 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: caravena 2769 F.... pulseaudio /dev/snd/pcmC0D0p: caravena 2769 F...m pulseaudio CurrentDesktop: ubuntu:GNOME Date: Mon Dec 3 12:49:26 2018 HibernationDevice: RESUME=UUID=efcf081f-0bb0-4907-b78c-1299aa4aee57 InstallationDate: Installed on 2018-12-02 (0 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) MachineType: HP HP Pavilion x360 Convertible 14-cd0xxx ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.18.0-11-generic root=UUID=28bdadba-133c-4f5b-a5c9-b06993ea7ce2 ro rootflags=subvol=@ quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.18.0-11-generic N/A linux-backports-modules-4.18.0-11-generic N/A linux-firmware 1.176 SourcePackage: linux UpgradeStatus: Upgraded to disco on 2018-12-02 (0 days ago) dmi.bios.date: 06/14/2018 dmi.bios.vendor: Insyde dmi.bios.version: F.13 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: 8486 dmi.board.vendor: HP dmi.board.version: 72.19 dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 31 dmi.chassis.vendor: HP dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnInsyde:bvrF.13:bd06/14/2018:svnHP:pnHPPavilionx360Convertible14-cd0xxx:pvrType1ProductConfigId:rvnHP:rn8486:rvr72.19:cvnHP:ct31:cvrChassisVersion: dmi.product.family: 103C_5335KV HP Pavilion dmi.product.name: HP Pavilion x360 Convertible 14-cd0xxx dmi.product.sku: 3PX63LA#ABM dmi.product.version: Type1ProductConfigId dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1806437/+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