I have the same flooding of /var/log/syslog about every 200 msecs with: Oct 27 21:17:01 helios kernel: [11807.295919] ACPI Error: Method parse/execution failed \_SB.PCI0.LPCB.H_EC._Q50, AE_AML_OPERAND_TYPE (20170831/psparse-550) Oct 27 21:17:02 helios kernel: [11807.497617] ACPI Error: Needed type [Reference], found [Integer] 00000000dfb12c24 (20170831/exresop-103) Oct 27 21:17:02 helios kernel: [11807.497647] ACPI Exception: AE_AML_OPERAND_TYPE, While resolving operands for [Store] (20170831/dswexec-461) Oct 27 21:17:02 helios kernel: [11807.497677] No Local Variables are initialized for Method [_Q50] Oct 27 21:17:02 helios kernel: [11807.497683] No Arguments are initialized for method [_Q50]
~ $ inxi -Fx System: Host: helios Kernel: 4.15.0-38-generic x86_64 bits: 64 gcc: 7.3.0 Desktop: Cinnamon 3.8.9 (Gtk 3.22.30-1ubuntu1) Distro: Linux Mint 19 Tara Machine: Device: laptop System: Intel product: Skylake Platform v: 0.1 serial: N/A Mobo: Topstar model: WhiteTip Mountain1 Fab2 v: RVP7 serial: N/A UEFI: American Megatrends v: 5.11 date: 09/10/2015 Battery BAT0: charge: 42.0 Wh 98.6% condition: 42.6/46.6 Wh (91%) model: TPS S10 status: N/A CPU: Dual core Intel Core i5-6200U (-MT-MCP-) arch: Skylake rev.3 cache: 3072 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9600 clock speeds: max: 2800 MHz 1: 500 MHz 2: 500 MHz 3: 500 MHz 4: 500 MHz Graphics: Card: Intel HD Graphics 520 bus-ID: 00:02.0 Display Server: x11 (X.Org 1.19.6 ) drivers: modesetting (unloaded: fbdev,vesa) Resolution: 1920x1080@60.00hz OpenGL: renderer: Mesa DRI Intel HD Graphics 520 (Skylake GT2) version: 4.5 Mesa 18.0.5 Direct Render: Yes Audio: Card Intel Sunrise Point-LP HD Audio driver: snd_hda_intel bus-ID: 00:1f.3 Sound: Advanced Linux Sound Architecture v: k4.15.0-38-generic Network: Card: Intel Wireless 3160 driver: iwlwifi bus-ID: 01:00.0 IF: wlp1s0 state: up mac: b4:6d:83:95:8c:b0 Drives: HDD Total Size: 250.1GB (57.3% used) ID-1: /dev/sda model: Samsung_SSD_850 size: 250.1GB Partition: ID-1: / size: 31G used: 24G (81%) fs: ext4 dev: /dev/sda2 ID-2: /home size: 62G used: 17G (29%) fs: ext4 dev: /dev/sda3 ID-3: swap-1 size: 10.49GB used: 0.00GB (0%) fs: swap dev: /dev/dm-0 RAID: No RAID devices: /proc/mdstat, md_mod kernel module present Sensors: System Temperatures: cpu: 34.0C mobo: N/A Fan Speeds (in rpm): cpu: N/A Info: Processes: 223 Uptime: 7:10 Memory: 1671.1/7886.5MB Init: systemd runlevel: 5 Gcc sys: 7.3.0 Client: Shell (bash 4.4.191) inxi: 2.3.56 -- 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/1738736 Title: ACPI error message flooding syslog Status in linux package in Ubuntu: Confirmed Bug description: 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1738736/+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