Comment 33 for bug 971061

Revision history for this message
j0lly (j0lly) wrote : Re: [Bug 971061] Re: acpi reports battery state incorrectly

The OS kernel log all the events.
The first time also the LID (that generally need 10 sec to trigger the
status change when work) is logged almost instantly.
I can have log in dmesg and acpid.

2012/10/12 Erik Schindler <email address hidden>

> > I can confirm you that if you push the reset button on bottom of the
> > laptop with a needle (laptop unpowered, than use the power cord to start
> > it otherwhise will not start) the next boot all the ACPI events are
> logged
> > perfectly; all is run wanderfully untill some events that screw up again
> > the ACPI/BIOS stuff.
>
> Is the installed OS affected by this workaround or only BIOS
> configuration?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/971061
>
> Title:
> acpi reports battery state incorrectly
>
> Status in “acpi” package in Ubuntu:
> Confirmed
>
> Bug description:
> I have a new Samsung 9-series laptop (NP900X3B) and the battery state
> is detected incorrectly. Basically the state what was at the time of
> boot stays active all the time - regardless of the ac-adapter state.
>
> Here is output from "acpitool -a -b" in various situations:
>
> When booted with charger connected and charger is still connected:
> Battery #1 : charging, 47.00%, 01:00:43
> AC adapter : on-line
>
> When booted with charger connected and charger is now disconnected:
> Battery #1 : charging, 47.00%, 01:36:59
> AC adapter : off-line
> [The battery couldn't possibly be charging when the AC adapter is
> offline!]
>
> When booted with charger disconnected and charger is still disconnected:
> Battery #1 : discharging, 47.00%, 01:39:44
> AC adapter : off-line
>
> When booted with charger disconnected and charger is now connected:
> Battery #1 : discharging, 47.00%, 00:53:43
> AC adapter : on-line
> [The battery is actually charging as the AC adapter is online]
>
> The percentage and time are correctly updated when the battery is
> actually charging or discharging - regardless of the reported state.
> So the state is the only thing that is incorrect. However a number of
> applications make their decisions based on this state (battery
> monitor, jupiter, etc.) and therefore behave incorrectly.
>
> "lshal -m" doesn't report anything when I plug the charger in or out.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 12.04
> Package: acpi (not installed)
> ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
> Uname: Linux 3.2.0-21-generic x86_64
> ApportVersion: 2.0-0ubuntu2
> Architecture: amd64
> Date: Sun Apr 1 22:50:35 2012
> EcryptfsInUse: Yes
> InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64
> (20120328)
> ProcEnviron:
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: acpi
> UpgradeStatus: No upgrade log present (probably fresh install)
>
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>