Public bug reported:
/org/freedesktop/UPower/devices/battery_BAT1 can be removed/swapped with
no ill effect.
however, if
/org/freedesktop/UPower/devices/battery_BAT2
is removed and reinstalled or swapped,
the system no longer gets a state on battery 2 (0%) , nor does the
system report charging on AC anymore.
it will persistently report that its on a single battery, not charging,
and at "96%" capacity.
(it is charging and both batteries have green icon for 100%).. so seems
a UI or ACPI issue.
fwiw, theyre referred to as 1 and 2 by upower
$ upower --enumerate
/org/freedesktop/UPower/devices/line_power_AC
/org/freedesktop/UPower/devices/battery_BAT2
/org/freedesktop/UPower/devices/battery_BAT1
/org/freedesktop/UPower/devices/DisplayDevice
and as 0/1 by acpi
$ acpi -b
Battery 0: Not charging, 96%
Battery 1: Not charging, 0%
i never would have caught this other than, certain panasonic models
support two batteries (such as cf31 and cf33). if someones interested
this who has contributed to upower or acpi in the past and needs a
laptop that has two batteries installed for troubleshooting purposes i
can probably arrange to send or lend one.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: acpi 1.7-1.3build1
ProcVersionSignature: Ubuntu 6.11.0-21.21~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-21-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 26 08:34:06 2025
Dependencies:
gcc-14-base 14.2.0-4ubuntu2~24.04
libc6 2.39-0ubuntu8.4
libgcc-s1 14.2.0-4ubuntu2~24.04
libidn2-0 2.3.7-2build1.1
libunistring5 1.1-2build1.1
InstallationDate: Installed on 2025-03-23 (3 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: acpi
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: acpi (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
** Attachment added: "Screenshot from 2025-03-26 08-30-43.png"
https://bugs.launchpad.net/bugs/2104261/+attachment/5867405/+files/Screenshot%20from%202025-03-26%2008-30-43.png
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https://bugs.launchpad.net/bugs/2104261
Title:
system stops charging from AC or getting charge state when battery 2
is removed or swapped
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