Lenovo Thinkpad T490 does not reliably detect change from BAT to AC
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-signed-hwe-5.8 (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
Hi, Ubuntu 20.04 is not detecting changes form AC to battery correctly in my Lenovo Thinkpad T490, when the power source is connected or disconnected the following error appears:
ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.
ACPI Error: Aborting method \_SB.PCI0.
Seems to be the same or similar issue at the ones described here: https:/
lsb_release -rd
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Package version: 5.8.0.36.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-
ProcVersionSign
Uname: Linux 5.8.0-36-generic x86_64
ApportVersion: 2.20.11-
Architecture: amd64
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
Date: Fri Jan 8 09:18:18 2021
InstallationDate: Installed on 2021-01-08 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
ProcEnviron:
LANGUAGE=es_CU:es
PATH=(custom, no user)
XDG_RUNTIME_
LANG=es_CU
SHELL=/bin/bash
SourcePackage: linux-signed-
UpgradeStatus: No upgrade log present (probably fresh install)
Status changed to 'Confirmed' because the bug affects multiple users.