Battery percentage does not update

[Michael D]

The battery percentage widget does not update even though clicking into the power settings shows the correct and updating values.

[fossfreedom (fossfreedom)]

Do you have more than one battery?

[fossfreedom (fossfreedom)]

Also what is the output of the following terminal command?

    journalctl -ae | grep -i battery

[Michael D (mdetweiler)]

I have just the standard OEM laptop battery installed.

root@mrd-ThinkPad-T520:~# journalctl -ae | grep -i battery
Mar 02 21:02:12 mrd-ThinkPad-T520 kernel: thinkpad_acpi: battery 1 registered (start 0, stop 100)

root@mrd-ThinkPad-T520:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal

[Launchpad Janitor (janitor)]

[Expired for Ubuntu Budgie because there has been no activity for 60 days.]

[Michael D (mdetweiler)]

Is anyone going to look into this?

[fossfreedom (fossfreedom)]

The only way to look at this is to have the same hardware as you to
debug the issue

On Sun, 2 May 2021, 14:00 Michael D, <email address hidden> wrote:

> Is anyone going to look into this?
>
> --
> You received this bug notification because you are subscribed to Ubuntu
> Budgie.
> https://bugs.launchpad.net/bugs/1917391
>
> Title:
> Battery percentage does not update
>
> Status in Ubuntu Budgie:
> Expired
>
> Bug description:
> The battery percentage widget does not update even though clicking
> into the power settings shows the correct and updating values.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntubudgie/+bug/1917391/+subscriptions
>

[Andrew L Hufton (alhufton)]

I have the same problem on my laptop. The battery percentage in the budgie "status indicator" stops updating when the computer is awoken from sleep, but it remains correct via upower or in the power settings GUI. The Planck battery applet also works fine.

"journalctl -ae | grep -i battery" produces nothing on my computer, but here's the output using just "bat":

alhufton@alhufton-TUXEDO-Polaris-15-AMD-Gen1:~$ journalctl -ae | grep -i bat
Jun 06 12:59:42 alhufton-TUXEDO-Polaris-15-AMD-Gen1 upowerd[1776]: treating change event as add on /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0
Jun 06 13:12:15 alhufton-TUXEDO-Polaris-15-AMD-Gen1 upowerd[1776]: treating change event as add on /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0A:00/power_supply/BAT0

[fossfreedom (fossfreedom)]

For those that want to delve into this to resolve - the area of code is

https://github.com/solus-project/budgie-desktop/blob/master/src/applets/status/PowerIndicator.vala#L58

[Andrew L Hufton (alhufton)]

It turns out that I had a faulty battery. Replacing it has fixed the problem for me.

The fact that the indicator was freezing when acpi and upower were still returning useful values seems strange, even with a bad battery, so maybe there is still a cryptic bug hidden somewhere. But, in any case, I can't replicate the problem anymore, so probably not worth investigating further.