** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/2119401
Title:
Touchpad not working after kernel update to 6.14.0-24-generic on
Lenovo IdeaPad 81BF
Status in linux package in Ubuntu:
Confirmed
Bug description:
After updating to kernel 6.14.0-24-generic on Ubuntu 24.04 LTS, the
touchpad stopped working completely. No cursor is visible, and
libinput list-devices shows no touchpad device. External USB mice
work.
Booting into kernel 6.11.0-29-generic restores touchpad functionality.
Laptop model: Lenovo IdeaPad 520 (Model: 81BF)
Touchpad driver: Likely i2c_hid or hid_multitouch
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ProblemType: Bug
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pranay 2508 F.... wireplumber
/dev/snd/seq: pranay 2504 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 24.04
InstallationDate: Installed on 2024-06-19 (415 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0cf3:e300 Qualcomm Atheros Communications QCA61x4
Bluetooth 4.0
Bus 001 Device 004: ID 0bda:58ea Realtek Semiconductor Corp. EasyCamera
Bus 001 Device 005: ID 06cb:0081 Synaptics, Inc.
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: LENOVO 81BF
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-29-generic
root=UUID=1cf3816f-673a-4646-836d-7fbdf2371e08 ro quiet splash i8042.reset
i8042.nomux i8042.nopnp i8042.kbdreset vt.handoff=7
ProcVersionSignature: Ubuntu 6.11.0-29.29~24.04.1-generic 6.11.11
RelatedPackageVersions:
linux-restricted-modules-6.11.0-29-generic N/A
linux-backports-modules-6.11.0-29-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.14
Tags: noble
Uname: Linux 6.11.0-29-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sudo users video
_MarkForUpload: True
dmi.bios.date: 06/30/2020
dmi.bios.release: 1.33
dmi.bios.vendor: LENOVO
dmi.bios.version: 6JCN33WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55722 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 520-15IKB
dmi.ec.firmware.release: 1.33
dmi.modalias:
dmi:bvnLENOVO:bvr6JCN33WW:bd06/30/2020:br1.33:efr1.33:svnLENOVO:pn81BF:pvrLenovoideapad520-15IKB:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55722WIN:cvnLENOVO:ct10:cvrLenovoideapad520-15IKB:skuLENOVO_MT_81BF_BU_idea_FM_ideapad520-15IKB:
dmi.product.family: ideapad 520-15IKB
dmi.product.name: 81BF
dmi.product.sku: LENOVO_MT_81BF_BU_idea_FM_ideapad 520-15IKB
dmi.product.version: Lenovo ideapad 520-15IKB
dmi.sys.vendor: LENOVO
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