Following this: https://www.dell.com/support/kbdoc/fr- ch/000150104/precision-xps-ubuntu-general-touchpad-mouse-issue- fix?lang=en
I ran the following and rebooted: sudo apt install --install-recommends linux-generic-hwe-22.04 xserver-xorg-hwe-18.04 Now the devices exist, see devices2 attachment ** Attachment added: "devices2" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1987223/+attachment/5610586/+files/devices2 -- 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/1987223 Title: Touchpad and Touchscreen not showing up in devices on Dell after Kubuntu 22.04 upgrade Status in linux package in Ubuntu: Confirmed Bug description: The touchpad and touch screen worked ok on 20.04. After installing 22.04 they no longer work. Investigation shows no devices, output from below attached in "devices": cat /proc/bus/input/devices ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-46-generic 5.15.0-46.49 ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39 Uname: Linux 5.15.0-46-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: david 1396 F.... pulseaudio /dev/snd/controlC1: david 1396 F.... pulseaudio /dev/snd/pcmC1D0p: david 1396 F...m pulseaudio /dev/snd/controlC0: david 1396 F.... pulseaudio CasperMD5CheckResult: pass CurrentDesktop: KDE Date: Sun Aug 21 22:24:24 2022 InstallationDate: Installed on 2022-04-20 (123 days ago) InstallationMedia: Kubuntu 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1) MachineType: Dell Inc. Inspiron 7786 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-46-generic root=UUID=9c986618-4ee9-4eb8-bc36-dbdfc9a61cd1 ro acpi_osi=! "acpi_osi=Windows 2009" quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.15.0-46-generic N/A linux-backports-modules-5.15.0-46-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/28/2022 dmi.bios.release: 1.14 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.14.0 dmi.board.name: 0C6KN0 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 31 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.14.0:bd03/28/2022:br1.14:svnDellInc.:pnInspiron7786:pvr:rvnDellInc.:rn0C6KN0:rvrA00:cvnDellInc.:ct31:cvr:sku0896: dmi.product.family: Inspiron dmi.product.name: Inspiron 7786 dmi.product.sku: 0896 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1987223/+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
