kde battery applet shows 0% on full charged battery with Dell Latitude e5530: kubuntu 13.10

[costavi]

I upgraded my Kubuntu 13.04 to 13.10 beta2 in my Dell Latitude 5530 laptop.
Before the update the kde battery applet showed the correct battery charge status, while after the update the applet always gives 0% charge status even with a full charged battery.

Here is 'lsb_release -rd' output
Description: Ubuntu Saucy Salamander (development branch)
Release: 13.10

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: konqueror (not installed)
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
Date: Sat Oct 5 13:12:32 2013
InstallationDate: Installed on 2013-04-25 (162 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=it
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: kde-baseapps
UpgradeStatus: Upgraded to saucy on 2013-10-04 (0 days ago)

[costavi (costavi)]

I did another check:

as after the 13.04 --> 13.10 upgrade the old 3.8.0-31 kernel had not been removed, I tried to boot the system with the old kernel to see if it was a kernel problem.
But the result was the same: the battery applet still showing 0% with full charged battery.

Besides, the bettery seems to be recognised by the kernel as the following is present in the 'dmesg' output:

dmesg |grep 'battery'
[ 1.171202] ACPI: Battery Slot [BAT0] (battery present)
[ 1.192069] ACPI: Battery Slot [BAT1] (battery absent)

I wonder what the "BAT0 - BAT1" distinction means. My laptop have only one battery, as the 99.99% of all laptops.

[Andrew Cheetham (andrewcheetham)]

Having the same problem here after upgrading the initial install of Kubuntu 13.10 Beta 2. Dell Latitude E5530.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[costavi (costavi)]

Bug still present after update to official 13.10 release.

[Jeremy Sanders (jeremysanders)]

Bug present on a Dell Latitude E6520.

[Abhishek Biswas (devgroup-89)]

I can also confirm the bug is still in the final release of kubuntu 13.10 on Dell Latitude E5430.

[dcecchin (dcecchin-deactivatedaccount)]

Confirmed on Dell Latitude E6530.

Unplugging the power makes the correct power usage show, the indicator also says "Discharging".
Plugging it back, you get "Not Charging". (But it is actually charging).

[titoupath (titoupath)]

Bug confirmed on Dell Lattitude 6540. I solved this by installing the "acpi" package.

[BemNum (bemnum)]

Bug confirmed on Dell Latitude E6430 with Kubuntu 13.10.

[RIIALBOL (riialbol)]

Bug present in dell inspiron N4050

[Hervé Fache (rvfh)]

FWIW, using strace shows that acpi -V reads the battery status from /sys/class/power_supply/BAT0 where the data is indeed...

[Hervé Fache (rvfh)]

Oh crap, I missing the warning above...

[grawcho (grawcho)]

this also effect Asus Zenbook ux31 (with acpi instaled)

[Rodrigoteles (rodrigoteles)]

This also effect Dell Inspiron 14z running OpenSuse 13.1 RC2 (KDE).

[cebo (brad-drew)]

Also Dell Inspiron 17 7000 - 7737

[MBWD (xmbwd)]

Similar issue on Kubuntu 13.10 (KDE). Battery shows low level soon after charging. If I plug the cord back in for 1 second and then remove it, the charge goes back up to the right level.