Public bug reported:
Hi, this is a sporadic issue that sometimes appears, sometimes not.
Usually once it starts happening it occurs on every suspend/resume cycle
until the system is rebooted. The trackpad and the red trackpoint nub
stop working after resume. This is on a Thinkpad T440s laptop currently
running a fresh install of Ubuntu 20.04 with Gnome and no major
modifications.
Usually the trackpad can be fixed by unloading/loading the `psmouse`
module.
Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libinput10 1.15.5-1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CompositorRunning: None
Date: Sat May 30 11:39:22 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
GraphicsCard:
Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev
0b) (prog-if 00 [VGA controller])
Subsystem: Lenovo Haswell-ULT Integrated Graphics Controller [17aa:220c]
InstallationDate: Installed on 2020-05-29 (1 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20AR006RUS
ProcEnviron:
LANGUAGE=es_EC:es
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.4.0-33-generic
root=UUID=9ed61bc7-d832-4808-908a-05704b574781 ro rootflags=subvol=@ quiet
splash vt.handoff=7
SourcePackage: libinput
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/27/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: GJETA4WW (2.54 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AR006RUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 PRO
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGJETA4WW(2.54):bd03/27/2020:svnLENOVO:pn20AR006RUS:pvrThinkPadT440s:rvnLENOVO:rn20AR006RUS:rvrSDK0E50510PRO:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad T440s
dmi.product.name: 20AR006RUS
dmi.product.sku: LENOVO_MT_20AR_BU_Think_FM_ThinkPad T440s
dmi.product.version: ThinkPad T440s
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: libinput (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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https://bugs.launchpad.net/bugs/1881421
Title:
Thinkpad T440s trackpad and trackpoint stop working after resume from
suspend
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