This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1809993 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: bionic -- 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