UPower and battery indicator show update in 2 minutes when connecting power cable ThinkPad

Bug #1977986 reported by Bin Li
This bug affects 1 person
Affects Status Importance Assigned to Milestone
OEM Priority Project
In Progress
Bin Li
upower (Ubuntu)

Bug Description

We found this issue on several ThinkPad. The upower will change 'pending-charge' to 'charging' after 2 minutes later, but the /sys/class/power_supply/BAT0/status changes to 'Charging' immediately when connecting the power cable.

$ upower -i /org/freedesktop/UPower/devices/battery_BAT0
  native-path: BAT0
  vendor: Sunwoda
  model: 5B10W13975
  serial: 34226
  power supply: yes
  updated: Wed 08 Jun 2022 11:42:02 PM CST (1 seconds ago)
  has history: yes
  has statistics: yes
    present: yes
    rechargeable: yes
    state: pending-charge
    warning-level: none
    energy: 55.94 Wh
    energy-empty: 0 Wh
    energy-full: 57 Wh
    energy-full-design: 57 Wh
    energy-rate: 5.79 W
    voltage: 16.688 V
    percentage: 98%
    capacity: 100%
    technology: lithium-polymer
    icon-name: 'battery-full-charging-symbolic'
  History (charge):
    1654702882 98.000 pending-charge
    1654702863 97.000 pending-charge
  History (rate):
    1654702863 5.790 pending-charge
    1654702863 6.171 pending-charge

$ cat /sys/class/power_supply/BAT0/status

Bin Li (binli)
tags: added: oem-priority originate-from-1975803 sutton
Bin Li (binli)
tags: added: originate-from-1989447
Bin Li (binli)
tags: added: originate-from-1991377
Bin Li (binli)
Changed in oem-priority:
assignee: nobody → Bin Li (binli)
importance: Undecided → High
status: New → In Progress
Revision history for this message
Bin Li (binli) wrote :

This patch could help set the initial status correctly.

commit 792fc7bb1bd4c7bf4b779106329aa4487bfa0386
Author: Benjamin Berg <email address hidden>
Date: Thu Jun 2 18:29:50 2022 +0200

    supply: Consistently use 90% threshold to consider a battery full

Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

The attachment "0001-supply-Consistently-use-90-threshold-to-consider-a-b.patch" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

tags: added: patch
Andy Chi (andch)
tags: added: originate-from-2001891 somerville
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