Public bug reported:
Have an Acer Aspire E15 running Kubuntu 20.04
Expect: Trackpad and keyboard to work after boot to WM login.
What Happens: Trackpad/keyboard unresponsive after WM starts.
Recently ( within last month) an update has caused the trackpad and
keyboard to stop being detected after the WM starts and autologin is
complete.
Ive reinstalled which puts me at vmlinuz-5.4.0-26-generic, and the
trackpad/keyboard worked normally. After updating to
vmlinuz-5.4.0-47-generic and rebooting problem reoccurs.
Booting to console: keyboard works normally.
Booting via Ubuntu advanced options to 5.4.0-26: Keyboard/trackpad works
normally.
Some Fn buttons work after login, but only ones monitored by firmware
(E.g. screen brightness works, volume control doesn't)
neil@neil-Aspire-E5-511:~$ lsb_release -rd
Description: Ubuntu 20.04.1 LTS
Release: 20.04
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-26-generic 5.4.0-26.30
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: neil 943 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Fri Sep 11 19:20:04 2020
InstallationDate: Installed on 2020-09-10 (1 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Acer Aspire E5-511
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-5.4.0-26-generic
root=UUID=7c62eb69-2b7c-4aea-a384-1460d6533ecd ro rootflags=subvol=@ quiet
splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-26-generic N/A
linux-backports-modules-5.4.0-26-generic N/A
linux-firmware 1.187.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/09/2015
dmi.bios.vendor: Acer
dmi.bios.version: V1.10
dmi.board.name: Aspire E5-511
dmi.board.vendor: Acer
dmi.board.version: V1.10
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAcer:bvrV1.10:bd09/09/2015:svnAcer:pnAspireE5-511:pvrV1.10:rvnAcer:rnAspireE5-511:rvrV1.10:cvnAcer:ct10:cvrChassisVersion:
dmi.product.family: Bay Trail-M System
dmi.product.name: Aspire E5-511
dmi.product.sku: Aspire E5-511_0905_V1.10
dmi.product.version: V1.10
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1895342
Title:
Acer Aspire E15 keyboard and trackpad non functional after update to
vmlinuz-5.4.0-47-generic
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