I updated to kernel 6.8.0-41 and it seems to have fixed most if not all
of my problems, sorry for reporting on bugs on an outdated kernel
version.
** Changed in: linux (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/2077803
Title:
Touchpad devices not found
Status in linux package in Ubuntu:
Fix Released
Bug description:
General information:
$ cat /proc/version_signature
Ubuntu 6.8.0-31.31-generic 6.8.1
$ lsb_release -rd
No LSB modules are available.
Description: Ubuntu 24.04 LTS
Release: 24.04
----
Three months ago I upgraded from Ubuntu 23 to Ubuntu 24. Somehow this
upgrade process went wrong because the Linux kernel did not update
from driver version=6.5.0-35-generic to 6.8.0-31-generic. On Ubuntu
24.04 + Linux 6.5 everything works fine and there are no difficulties
other than not being able to install an appropriate version of `linux-
tools-generic` from apt.
I am now intending to upgrade the Linux kernel to 6.8.0-31-generic, I
have the two kernels available side by side at the bios menu on the
same machine. The touchpad is not functional at all when using Linux
6.8.
On Ubuntu 24.04 + Linux kernel 6.5, sudo lshw -C input returns 14
devices, three of which are mouse-related.
$ sudo lshw -C input
*-input:0
product: Sleep Button
physical id: 2
logical name: input0
logical name: /dev/input/event0
capabilities: platform
*-input:1
product: Lid Switch
physical id: 3
logical name: input1
logical name: /dev/input/event1
capabilities: platform
*-input:2
product: SYNA8017:00 06CB:CEB2 Touchpad
physical id: 4
logical name: input10
logical name: /dev/input/event5
logical name: /dev/input/mouse1
capabilities: i2c
*-input:3
product: Intel HID events
physical id: 5
logical name: input12
logical name: /dev/input/event7
capabilities: platform
*-input:4
product: ThinkPad Extra Buttons
physical id: 6
logical name: input13
logical name: /dev/input/event8
capabilities: platform
*-input:5
product: Video Bus
physical id: 7
logical name: input14
logical name: /dev/input/event9
capabilities: platform
*-input:6
product: sof-hda-dsp Mic
physical id: 8
logical name: input15
logical name: /dev/input/event10
*-input:7
product: sof-hda-dsp Headphone
physical id: 9
logical name: input16
logical name: /dev/input/event11
*-input:8
product: sof-hda-dsp HDMI/DP,pcm=3
physical id: a
logical name: input17
logical name: /dev/input/event12
*-input:9
product: sof-hda-dsp HDMI/DP,pcm=4
physical id: b
logical name: input18
logical name: /dev/input/event13
*-input:10
product: sof-hda-dsp HDMI/DP,pcm=5
physical id: c
logical name: input19
logical name: /dev/input/event14
*-input:11
product: Power Button
physical id: d
logical name: input2
logical name: /dev/input/event2
capabilities: platform
*-input:12
product: AT Translated Set 2 keyboard
physical id: e
logical name: input3
logical name: /dev/input/event3
logical name: input3::capslock
logical name: input3::numlock
logical name: input3::scrolllock
capabilities: i8042
*-input:13
product: TPPS/2 Synaptics TrackPoint
physical id: f
logical name: input5
logical name: /dev/input/event6
logical name: /dev/input/mouse2
capabilities: i8042
*-input:14
product: SYNA8017:00 06CB:CEB2 Mouse
physical id: 10
logical name: input9
logical name: /dev/input/event4
logical name: /dev/input/mouse0
capabilities: i2c
On Linux 6.8, the list contains five devices, not fourteen, and is
missing two of the three devices associated with the mouse. (I have
attached a USB mouse, the USB mouse works correctly in Linux 6.8. I
have removed the USB mouse from the list below.)
sudo lshw -C input
*-input:0
product: Sleep Button
physical id: 3
logical name: input0
logical name: /dev/input/event0
capabilities: platform
*-input:1
product: Lid Switch
physical id: 4
logical name: input1
logical name: /dev/input/event1
capabilities: platform
*-input:2
product: Power Button
physical id: 5
logical name: input2
logical name: /dev/input/event2
capabilities: platform
*-input:3
product: AT Translated Set 2 keyboard
physical id: 6
logical name: input3
logical name: /dev/input/event3
logical name: input3::capslock
logical name: input3::numlock
logical name: input3::scrolllock
capabilities: i8042
*-input:4
product: TPPS/2 Synaptics TrackPoint
physical id: 7
logical name: input6
logical name: /dev/input/event4
logical name: /dev/input/mouse0
capabilities: i8042
On Linux 6.5,
sudo libinput list-devices | grep Device
Device: Video Bus
Device: Power Button
Device: Lid Switch
Device: Sleep Button
Device: SYNA8017:00 06CB:CEB2 Touchpad
Device: SYNA8017:00 06CB:CEB2 Mouse
Device: sof-hda-dsp Headphone
Device: Intel HID events
Device: AT Translated Set 2 keyboard
Device: TPPS/2 Synaptics TrackPoint
Device: ThinkPad Extra Buttons
On Linux 6.8,
sudo libinput list-devices | grep Device
Device: Power Button
Device: Lid Switch
Device: Sleep Button
Device: AT Translated Set 2 keyboard
Device: TPPS/2 Synaptics TrackPoint
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-31-generic 6.8.0-31.31
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: patrick 2248 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 24 13:17:31 2024
InstallationDate: Installed on 2024-01-02 (236 days ago)
InstallationMedia: Ubuntu 23.10.1 "Mantic Minotaur" - Release amd64
(20231016.1)
IwConfig:
lo no wireless extensions.
wlp0s20f3 no wireless extensions.
MachineType: LENOVO 21CBCTO1WW
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-31-generic
root=UUID=be223126-ad81-4ba5-ad87-5d992011f5bc ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-6.8.0-31-generic N/A
linux-backports-modules-6.8.0-31-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/25/2024
dmi.bios.release: 1.47
dmi.bios.vendor: LENOVO
dmi.bios.version: N3AET82W (1.47 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21CBCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0K17763 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.24
dmi.modalias:
dmi:bvnLENOVO:bvrN3AET82W(1.47):bd06/25/2024:br1.47:efr1.24:svnLENOVO:pn21CBCTO1WW:pvrThinkPadX1CarbonGen10:rvnLENOVO:rn21CBCTO1WW:rvrSDK0K17763WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21CB_BU_Think_FM_ThinkPadX1CarbonGen10:
dmi.product.family: ThinkPad X1 Carbon Gen 10
dmi.product.name: 21CBCTO1WW
dmi.product.sku: LENOVO_MT_21CB_BU_Think_FM_ThinkPad X1 Carbon Gen 10
dmi.product.version: ThinkPad X1 Carbon Gen 10
dmi.sys.vendor: LENOVO
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