Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.10 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc6 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1661046 Title: ACPI cannot be activated on my MSI GE62 laptop. acpi-ht already causes failure, so the hyperthreading is responsible. Status in linux package in Ubuntu: Incomplete Bug description: I am including what you suggest on https://wiki.ubuntu.com/DebuggingACPI WIth acpi off, the fan doesn't work at top capacity, and the trackpad doesn't work at all. I'm including the uname, lspci, and dmidecode. I am not including the /proc/acpi directory, as it doesn't exist at all. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-59-generic 4.4.0-59.80 ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35 Uname: Linux 4.4.0-59-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: benjones 1849 F.... pulseaudio CurrentDesktop: Unity Date: Wed Feb 1 10:09:36 2017 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=ad294c16-796f-449c-943b-a5f0f6dbb961 InstallationDate: Installed on 2017-01-31 (1 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: Micro-Star International Co., Ltd. GE62 6QD ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic.efi.signed root=UUID=cf5aded0-f481-4da8-9b31-78b854cd2a66 ro acpi=off RelatedPackageVersions: linux-restricted-modules-4.4.0-59-generic N/A linux-backports-modules-4.4.0-59-generic N/A linux-firmware 1.157.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/29/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: E16J5IMS.114 dmi.board.asset.tag: Default string dmi.board.name: MS-16J5 dmi.board.vendor: Micro-Star International Co., Ltd. dmi.board.version: REV:0.A dmi.chassis.asset.tag: Default string dmi.chassis.type: 10 dmi.chassis.vendor: Micro-Star International Co., Ltd. dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16J5IMS.114:bd04/29/2016:svnMicro-StarInternationalCo.,Ltd.:pnGE626QD:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16J5:rvrREV0.A:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrDefaultstring: dmi.product.name: GE62 6QD dmi.product.version: REV:1.0 dmi.sys.vendor: Micro-Star International Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1661046/+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
