Public bug reported:
The touchpad was working fine in the live installation media with the
same kernel, but post installation it stopped working.
INXI output:
System:
Host: 81X2 Kernel: 6.11.0-26-generic arch: x86_64 bits: 64
Desktop: GNOME v: 46.0 Distro: Ubuntu 24.04.2 LTS (Noble Numbat)
Machine:
Type: Convertible System: LENOVO product: 81X2 v: IdeaPad Flex 5 14ARE05
serial: <superuser required>
Mobo: LENOVO model: LNVNB161216 v: SDK0Q55722 WIN
serial: <superuser required> UEFI: LENOVO v: EECN42WW date: 03/14/2023
Battery:
ID-1: BAT0 charge: 40.6 Wh (99.0%) condition: 41.0/52.5 Wh (78.1%)
CPU:
Info: 6-core model: AMD Ryzen 5 4500U with Radeon Graphics bits: 64
type: MCP cache: L2: 3 MiB
Speed (MHz): avg: 1398 min/max: 1400/2375 cores: 1: 1397 2: 1400 3: 1397
4: 1397 5: 1400 6: 1397
Graphics:
Device-1: AMD Renoir [Radeon RX Vega 6 ] driver: amdgpu v: kernel
Device-2: Syntek Integrated Camera driver: uvcvideo type: USB
Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:
loaded: amdgpu unloaded: fbdev,modesetting,radeon,vesa dri: radeonsi
gpu: amdgpu resolution: 1920x1080~60Hz
API: EGL v: 1.5 drivers: kms_swrast,radeonsi,swrast
platforms: gbm,x11,surfaceless,device
API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa
v: 24.2.8-1ubuntu1~24.04.1 renderer: AMD Radeon Graphics (radeonsi renoir
LLVM 19.1.1 DRM 3.61 6.11.0-26-generic)
Audio:
Device-1: AMD Renoir Radeon High Definition Audio driver: snd_hda_intel
Device-2: AMD ACP/ACP3X/ACP6x Audio Coprocessor driver: N/A
Device-3: AMD Family 17h/19h HD Audio driver: snd_hda_intel
API: ALSA v: k6.11.0-26-generic status: kernel-api
Server-1: PipeWire v: 1.0.5 status: active
Network:
Device-1: Realtek RTL8822CE 802.11ac PCIe Wireless Network Adapter
driver: rtw_8822ce
IF: wlp2s0 state: up mac: 5c:3a:45:d9:a1:f5
Bluetooth:
Device-1: Realtek Bluetooth Radio driver: btusb type: USB
Report: hciconfig ID: hci0 rfk-id: 4 state: down
bt-service: enabled,running rfk-block: hardware: no software: yes
address: 5C:3A:45:D9:A1:F6
Drives:
Local Storage: total: 491.55 GiB used: 20.08 GiB (4.1%)
ID-1: /dev/nvme0n1 vendor: Lenovo model: UMIS RPJTJ512MEE1OWX
size: 476.94 GiB
ID-2: /dev/sda vendor: SanDisk model: Cruzer Blade size: 14.61 GiB
type: USB
Partition:
ID-1: / size: 467.35 GiB used: 9.92 GiB (2.1%) fs: ext4 dev: /dev/nvme0n1p2
ID-2: /boot/efi size: 1.05 GiB used: 6.1 MiB (0.6%) fs: vfat
dev: /dev/nvme0n1p1
Swap:
ID-1: swap-1 type: file size: 4 GiB used: 0 KiB (0.0%) file: /swap.img
Sensors:
System Temperatures: cpu: 53.4 C mobo: N/A
Fan Speeds (rpm): N/A
Info:
Memory: total: 8 GiB note: est. available: 7.13 GiB used: 1.76 GiB (24.7%)
Processes: 286 Uptime: 10m Shell: Bash inxi: 3.3.34
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.11.0-26-generic 6.11.0-26.26~24.04.1
ProcVersionSignature: Ubuntu 6.11.0-26.26~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-26-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: lalit 1251 F.... wireplumber
/dev/snd/controlC0: lalit 1251 F.... wireplumber
/dev/snd/seq: lalit 1247 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed May 21 12:17:33 2025
InstallationDate: Installed on 2025-05-21 (0 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
MachineType: LENOVO 81X2
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-26-generic
root=UUID=bd6565cc-73e3-4809-98b6-c234ceecbb07 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.11.0-26-generic N/A
linux-backports-modules-6.11.0-26-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.11
SourcePackage: linux-hwe-6.11
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/14/2023
dmi.bios.release: 1.42
dmi.bios.vendor: LENOVO
dmi.bios.version: EECN42WW
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: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad Flex 5 14ARE05
dmi.ec.firmware.release: 1.21
dmi.modalias:
dmi:bvnLENOVO:bvrEECN42WW:bd03/14/2023:br1.42:efr1.21:svnLENOVO:pn81X2:pvrIdeaPadFlex514ARE05:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55722WIN:cvnLENOVO:ct31:cvrIdeaPadFlex514ARE05:skuLENOVO_MT_81X2_BU_idea_FM_IdeaPadFlex514ARE05:
dmi.product.family: IdeaPad Flex 5 14ARE05
dmi.product.name: 81X2
dmi.product.sku: LENOVO_MT_81X2_BU_idea_FM_IdeaPad Flex 5 14ARE05
dmi.product.version: IdeaPad Flex 5 14ARE05
dmi.sys.vendor: LENOVO
** Affects: linux-hwe-6.11 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2111396
Title:
Elantech stopped working after installation
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