Public bug reported:

This message :

Dec 18 09:20:13 tignasse kernel: [   85.652805] ACPI Error: Needed type 
[Reference], found [Integer] ffff99eae08481f8 (20170531/exresop-103)
Dec 18 09:20:13 tignasse kernel: [   85.652831] ACPI Exception: 
AE_AML_OPERAND_TYPE, While resolving operands for [OpcodeName unavailable] 
(20170531/dswexec-461)
Dec 18 09:20:13 tignasse kernel: [   85.652847] ACPI Error: Method 
parse/execution failed \_SB.PCI0.LPCB.H_EC._Q50, AE_AML_OPERAND_TYPE 
(20170531/psparse-550)

Is flooding my syslog at a pace of on message every 200 ms !

This is really annoying.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-image-4.13.0-19-generic 4.13.0-19.22
ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
Uname: Linux 4.13.0-19-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  alex       5166 F.... pulseaudio
 /dev/snd/controlC1:  alex       5166 F.... pulseaudio
CurrentDesktop: GNOME
Date: Mon Dec 18 09:22:16 2017
HibernationDevice: RESUME=UUID=870c2fd1-8a8f-49bb-9bf4-dbefaa08e583
InstallationDate: Installed on 2015-11-10 (768 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Intel Corporation Skylake Platform
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-19-generic 
root=UUID=6814e3c1-8cea-4ecc-964d-535fd18782e9 ro quiet splash 
crashkernel=384M-:128M vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.13.0-19-generic N/A
 linux-backports-modules-4.13.0-19-generic  N/A
 linux-firmware                             1.169.1
SourcePackage: linux
UpgradeStatus: Upgraded to artful on 2017-11-23 (24 days ago)
dmi.bios.date: 11/06/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.11
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: WhiteTip Mountain1 Fab2
dmi.board.vendor: Topstar
dmi.board.version: RVP7
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 9
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr5.11:bd11/06/2015:svnIntelCorporation:pnSkylakePlatform:pvr0.1:rvnTopstar:rnWhiteTipMountain1Fab2:rvrRVP7:cvnDefaultstring:ct9:cvrDefaultstring:
dmi.product.family: Skylake System
dmi.product.name: Skylake Platform
dmi.product.version: 0.1
dmi.sys.vendor: Intel Corporation

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug artful

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https://bugs.launchpad.net/bugs/1738736

Title:
  ACPI error message flooding syslog

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