Status of battery isn't updated

[Алексей]

For example, I use laptop from battery and then plug in AC power. I see in acpi(and on
panel too, that battery is discarging). And vice-versa. Percentage that it shows seems to be correct.

Laptop is Samsung 530U4C

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: acpi 1.6-1
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
Date: Sun Nov 4 17:56:59 2012
InstallationDate: Installed on 2012-10-29 (6 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: acpi
UpgradeStatus: Upgraded to quantal on 2012-10-30 (5 days ago)

[Алексей (riadwaw)]

acpi -a says Adapter is on-line, but status is discharging