The problem persists on 5.4.0-48 sadly, I still need to select advanced in
grub, selecting 5.4.0-42 for the touchpad to work.
*➜ ~ xinput --list*
*5.4.0-42*
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]
⎜ ↳ TPPS/2 Elan TrackPoint id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=9 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
↳ ThinkPad Extra Buttons
*5.4.0-48*
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Synaptics TM3418-002 id=12 [slave pointer (2)]
⎜ ↳ PS/2 Generic Mouse id=13 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=9 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=11 [slave keyboard (3)]
*➜ ~ cat /var/log/Xorg.0.log | grep -i synaptics*
*5.4.0-42*
[ 16.093] (II) config/udev: Adding input device SynPS/2 Synaptics
TouchPad (/dev/input/event5)
[ 16.093] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput
touchpad catchall"
[ 16.093] (II) Using input driver 'libinput' for 'SynPS/2 Synaptics
TouchPad'
[ 16.094] (**) SynPS/2 Synaptics TouchPad: always reports core events
[ 16.095] (II) event5 - SynPS/2 Synaptics TouchPad: is tagged by udev
as: Touchpad
[ 16.095] (II) event5 - SynPS/2 Synaptics TouchPad: device is a touchpad
[ 16.096] (II) event5 - SynPS/2 Synaptics TouchPad: device removed
[ 16.096] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics
TouchPad" (type: TOUCHPAD, id 11)
[ 16.096] (**) SynPS/2 Synaptics TouchPad: (accel) selected scheme none/0
[ 16.096] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor:
2.000
[ 16.096] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration
threshold: 4
[ 16.097] (II) event5 - SynPS/2 Synaptics TouchPad: is tagged by udev
as: Touchpad
[ 16.098] (II) event5 - SynPS/2 Synaptics TouchPad: device is a touchpad
[ 16.098] (II) config/udev: Adding input device SynPS/2 Synaptics
TouchPad (/dev/input/mouse0)
[ 23.216] (II) event5 - SynPS/2 Synaptics TouchPad: device removed
*5.4.0-48*
[ 12.467] (II) config/udev: Adding input device Synaptics TM3418-002
(/dev/input/event9)
[ 12.467] (**) Synaptics TM3418-002: Applying InputClass "libinput
touchpad catchall"
[ 12.467] (II) Using input driver 'libinput' for 'Synaptics TM3418-002'
[ 12.468] (**) Synaptics TM3418-002: always reports core events
[ 12.469] (II) event9 - Synaptics TM3418-002: is tagged by udev as:
Touchpad
[ 12.470] (II) event9 - Synaptics TM3418-002: device is a touchpad
[ 12.470] (II) event9 - Synaptics TM3418-002: device removed
[ 12.470] (II) XINPUT: Adding extended input device "Synaptics
TM3418-002" (type: TOUCHPAD, id 12)
[ 12.470] (**) Synaptics TM3418-002: (accel) selected scheme none/0
[ 12.470] (**) Synaptics TM3418-002: (accel) acceleration factor: 2.000
[ 12.470] (**) Synaptics TM3418-002: (accel) acceleration threshold: 4
[ 12.471] (II) event9 - Synaptics TM3418-002: is tagged by udev as:
Touchpad
[ 12.472] (II) event9 - Synaptics TM3418-002: device is a touchpad
[ 12.472] (II) config/udev: Adding input device Synaptics TM3418-002
(/dev/input/mouse0)
[ 33.395] (II) event9 - Synaptics TM3418-002: device removed
ons. 23. sep. 2020, 20:15 skrev Russ McGill
<1895...@bugs.launchpad.net>:
> Kernel 5.4.0-48 fixes the problem. The TouchPad is recognized correctly
> and touch pad, buttons, and track point work. Thank you.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1895202
>
> Title:
> touchpad suddenly not detected, appearing as PS/2 mouse in devices
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> I can't even recall making any upgrades. Lenovo X1 Extreme.
>
> ~ xinput --list
> ⎡ Virtual core pointer id=2 [master pointer
> (3)]
> ⎜ ↳ Virtual core XTEST pointer id=4 [slave
> pointer (2)]
> ⎜ ↳ Synaptics TM3418-002 id=12 [slave
> pointer (2)]
> ⎜ ↳ PS/2 Generic Mouse id=13 [slave
> pointer (2)]
> ⎣ Virtual core keyboard id=3 [master keyboard
> (2)]
> ↳ Virtual core XTEST keyboard id=5 [slave
> keyboard (3)]
> ↳ Power Button id=6 [slave
> keyboard (3)]
> ↳ Video Bus id=7 [slave
> keyboard (3)]
> ↳ Sleep Button id=8 [slave
> keyboard (3)]
> ↳ Integrated Camera: Integrated C id=9 [slave
> keyboard (3)]
> ↳ AT Raw Set 2 keyboard id=10 [slave
> keyboard (3)]
> ↳ ThinkPad Extra Buttons id=11 [slave
> keyboard (3)]
> ➜ ~ cat /var/log/Xorg.0.log | grep -i synaptics
> [ 12.190] (II) config/udev: Adding input device Synaptics TM3418-002
> (/dev/input/event7)
> [ 12.190] (**) Synaptics TM3418-002: Applying InputClass "libinput
> touchpad catchall"
> [ 12.190] (II) Using input driver 'libinput' for 'Synaptics
> TM3418-002'
> [ 12.190] (**) Synaptics TM3418-002: always reports core events
> [ 12.192] (II) event7 - Synaptics TM3418-002: is tagged by udev as:
> Touchpad
> [ 12.193] (II) event7 - Synaptics TM3418-002: device is a touchpad
> [ 12.194] (II) event7 - Synaptics TM3418-002: device removed
> [ 12.194] (II) XINPUT: Adding extended input device "Synaptics
> TM3418-002" (type: TOUCHPAD, id 12)
> [ 12.194] (**) Synaptics TM3418-002: (accel) selected scheme none/0
> [ 12.194] (**) Synaptics TM3418-002: (accel) acceleration factor:
> 2.000
> [ 12.194] (**) Synaptics TM3418-002: (accel) acceleration threshold: 4
> [ 12.195] (II) event7 - Synaptics TM3418-002: is tagged by udev as:
> Touchpad
> [ 12.195] (II) event7 - Synaptics TM3418-002: device is a touchpad
> [ 12.196] (II) config/udev: Adding input device Synaptics TM3418-002
> (/dev/input/mouse0)
> [ 34.235] (II) event7 - Synaptics TM3418-002: device removed
>
> ProblemType: Bug
> DistroRelease: Ubuntu 20.04
> Package: linux-image-5.4.0-47-generic 5.4.0-47.51
> ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
> Uname: Linux 5.4.0-47-generic x86_64
> NonfreeKernelModules: nvidia_modeset nvidia
> ApportVersion: 2.20.11-0ubuntu27.8
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC1: ole 2093 F.... pulseaudio
> /dev/snd/controlC0: ole 2093 F.... pulseaudio
> CasperMD5CheckResult: skip
> CurrentDesktop: ubuntu:GNOME
> Date: Thu Sep 10 21:45:53 2020
> InstallationDate: Installed on 2019-03-30 (530 days ago)
> InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
> (20181017.3)
> MachineType: LENOVO 20MFCTO1WW
> ProcFB: 0 EFI VGA
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic
> root=UUID=37b4f683-cd0d-4eb9-b05a-973790230aa4 ro i8042.reset quiet splash
> vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-5.4.0-47-generic N/A
> linux-backports-modules-5.4.0-47-generic N/A
> linux-firmware 1.187.3
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 05/15/2020
> dmi.bios.vendor: LENOVO
> dmi.bios.version: N2EET48W (1.30 )
> dmi.board.asset.tag: Not Available
> dmi.board.name: 20MFCTO1WW
> dmi.board.vendor: LENOVO
> dmi.board.version: Not Defined
> dmi.chassis.asset.tag: No Asset Information
> dmi.chassis.type: 10
> dmi.chassis.vendor: LENOVO
> dmi.chassis.version: None
> dmi.modalias:
> dmi:bvnLENOVO:bvrN2EET48W(1.30):bd05/15/2020:svnLENOVO:pn20MFCTO1WW:pvrThinkPadX1Extreme:rvnLENOVO:rn20MFCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
> dmi.product.family: ThinkPad X1 Extreme
> dmi.product.name: 20MFCTO1WW
> dmi.product.sku: LENOVO_MT_20MF_BU_Think_FM_ThinkPad X1 Extreme
> dmi.product.version: ThinkPad X1 Extreme
> dmi.sys.vendor: LENOVO
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895202/+subscriptions
>
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https://bugs.launchpad.net/bugs/1895202
Title:
touchpad suddenly not detected, appearing as PS/2 mouse in devices
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