I am running 4.15.0-45 for the record -- 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/1809993
Title: Lenovo X1C6 trackpad functions broken Status in linux package in Ubuntu: Confirmed Bug description: Summary: After kernel update the trackpad advanced functions, like two finger scrolling and mouse acceleration have stopped working. Expected Result: Two finer scroll works and the mouse has acceleration features work Actual Result: Two finer scroll works and the mouse has acceleration features do not work Steps to reproduce: 1. Lenovo X1C6 (LENOVO 20KHCTO1WW/20KHCTO1WW, BIOS N23ET59W (1.34 ) 11/08/2018) 2. Install 18.04 LTS 3. config-4.15.0-42-generic acceleration works, while config-4.15.0-43-generic does not This appears to be some sort of regression or change in behavior between kernel versions. --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: powersj 1597 F.... pulseaudio CurrentDesktop: communitheme:ubuntu:GNOME DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=UUID=1eb43198-8ef5-4035-8b81-74c3e2936ad7 InstallationDate: Installed on 2018-12-06 (22 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 5986:2115 Acer, Inc Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 20KHCTO1WW Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-42-generic root=/dev/mapper/ubuntu--vg-root ro ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-42-generic N/A linux-backports-modules-4.15.0-42-generic N/A linux-firmware 1.173.2 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: bionic Uname: Linux 4.15.0-42-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip libvirt lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/08/2018 dmi.bios.vendor: LENOVO dmi.bios.version: N23ET59W (1.34 ) dmi.board.asset.tag: Not Available dmi.board.name: 20KHCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN23ET59W(1.34):bd11/08/2018:svnLENOVO:pn20KHCTO1WW:pvrThinkPadX1Carbon6th:rvnLENOVO:rn20KHCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad X1 Carbon 6th dmi.product.name: 20KHCTO1WW dmi.product.version: ThinkPad X1 Carbon 6th dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1809993/+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