HP DV6 2150EE Battery Not Discharging Correctly

[Uditha Bandara]

Binary package hint: gnome-power-manager

Ubuntu 10.10 64bit.
Hardware: i5-M520, Nvidia GT230M

After battery fully charged, It was unplugged from power adapter and let it discharge.
When discharging first battery level starts from 22%. And the continues discharging.
I'm also using Windows 7 X64 as dual-boot and it there no problem with battery charging and discharging.

When Battery fully charged----
 cat /proc/acpi/battery/BAT0/info
Gives:

present: yes
design capacity: 4400 mAh
last full capacity: 18752 mAh
battery technology: rechargeable
design voltage: 10800 mV
design capacity warning: 2258 mAh
design capacity low: 1318 mAh
cycle count: 0
capacity granularity 1: 10 mAh
capacity granularity 2: 25 mAh
model number: Primary
serial number:
battery type: NiMH
OEM info: Hewlett-Packard

cat /proc/acpi/battery/BAT0/state
Gives:
present: yes
capacity state: ok
charging state: charged
present rate: unknown
remaining capacity: 4000 mAh
present voltage: 12413 mV

And When discharging----
cat /proc/acpi/battery/BAT0/state
Gives:

present: yes
capacity state: ok
charging state: discharging
present rate: unknown
remaining capacity: 4000 mAh
present voltage: 12127 mV

Computer Report
***************

Summary
-------

-Computer-
Processor : 4x Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz
Memory : 3984MB (1453MB used)
Operating System : Ubuntu 10.10
User Name : uditha (Uditha)
Date/Time : Tue 19 Apr 2011 11:52:32 PM IST
-Display-
Resolution : 1366x768 pixels
OpenGL Renderer : Unknown
X11 Vendor : The X.Org Foundation
-Multimedia-
Audio Adapter : HDA-Intel - HDA Intel
Audio Adapter : HDA-Intel - HDA NVidia
-Input Devices-
 Power Button
 Lid Switch
 Sleep Button
 Power Button
 AT Translated Set 2 keyboard
 HP WMI hotkeys
 HP Webcam
 ST LIS3LV02DL Accelerometer
 Video Bus
 HDA Intel Mic at Ext Front Jack
 HDA Intel Line Out at Ext Front Jack
 SynPS/2 Synaptics TouchPad
-Printers-
No printers found
-SCSI Disks-
ATA WDC WD6400BEVT-6
hp DVD RW AD-7586H

Operating System
----------------

-Version-
Kernel : Linux 2.6.35-28-generic (x86_64)
Compiled : #50-Ubuntu SMP Fri Mar 18 18:42:20 UTC 2011
C Library : GNU C Library version 2.12.1 (stable)
Default C Compiler : GNU C Compiler version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5)
Distribution : Ubuntu 10.10
-Current Session-
Computer Name : uditha-HPdv6
User Name : uditha (Uditha)
Home Directory : /home/uditha
Desktop Environment : GNOME 2.32.0
-Misc-
Uptime : 5 hours, 44 minutes
Load Average : 1.39, 1.27, 1.17

Kernel Modules
--------------

-Loaded Modules-
rfcomm : Bluetooth RFCOMM ver 1.11
binfmt_misc
sco : Bluetooth SCO ver 0.6
bnep : Bluetooth BNEP ver 1.3
l2cap : Bluetooth L2CAP ver 2.14
parport_pc : PC-style parallel port driver
ppdev
snd_hda_codec_nvhdmi : NVIDIA HDMI HD-audio codec
snd_hda_codec_idt : IDT/Sigmatel HD-audio codec
nvidia
arc4 : ARC4 Cipher Algorithm
snd_hda_intel : Intel HDA driver
snd_hda_codec : HDA codec core
snd_hwdep : Hardware dependent layer
snd_pcm : Midlevel PCM code for ALSA.
snd_seq_midi : Advanced Linux Sound Architecture sequencer MIDI synth.
snd_rawmidi : Midlevel RawMidi code for ALSA.
snd_seq_midi_event : MIDI byte <-> sequencer event coder
snd_seq : Advanced Linux Sound Architecture sequencer.
snd_timer : ALSA timer interface
iwlagn : Intel(R) Wireless WiFi Link AGN driver for Linux
snd_seq_device : ALSA sequencer device management
joydev : Joystick device interfaces
iwlcore : iwl core
btusb : Generic Bluetooth USB driver ver 0.6
mac80211 : IEEE 802.11 subsystem
uvcvideo : USB Video Class driver
jmb38x_ms : JMicron jmb38x MemoryStick driver
videodev : Device registrar for Video4Linux drivers v2
v4l1_compat : v4l(1) compatibility layer for v4l2 drivers.
v4l2_compat_ioctl32
hp_wmi : HP laptop WMI hotkeys driver
bluetooth : Bluetooth Core ver 2.15
snd : Advanced Linux Sound Architecture driver for soundcards.
video : ACPI Video Driver
cfg80211 : wireless configuration support
lirc_ene0100 : LIRC driver for KB3926B/KB3926C/KB3926D (aka ENE0100) CIR port
output : Display Output Switcher Lowlevel Control Abstraction
lirc_dev : LIRC base driver module
hp_accel : Glue between LIS3LV02Dx and HP ACPI BIOS and support for disk protection LED.
intel_ips : Intelligent Power Sharing Driver
psmouse : PS/2 mouse driver
serio_raw : Raw serio driver
intel_agp
soundcore : Core sound module
snd_page_alloc : Memory allocator for ALSA system.
memstick : Sony MemoryStick core driver
lis3lv02d : ST LIS3LV02Dx three-axis digital accelerometer driver
input_polldev : Generic implementation of a polled input device
lp
parport
ahci : AHCI SATA low-level driver
firewire_ohci : Driver for PCI OHCI IEEE1394 controllers
libahci : Common AHCI SATA low-level routines
sdhci_pci : Secure Digital Host Controller Interface PCI driver
firewire_core : Core IEEE1394 transaction logic
crc_itu_t : CRC ITU-T V.41 calculations
sdhci : Secure Digital Host Controller Interface core driver
led_class : LED Class Interface
r8169 : RealTek RTL-8169 Gigabit Ethernet driver
mii : MII hardware support library

Languages
---------

Filesystems
-----------

-Mounted File Systems-
/dev/sda7 / 39.59 % (35.7 GiB of 59.1 GiB)
none /dev 0.02 % (1.9 GiB of 1.9 GiB)
none /dev/shm 0.12 % (1.9 GiB of 1.9 GiB)
none /var/run 0.00 % (1.9 GiB of 1.9 GiB)
none /var/lock 0.00 % (1.9 GiB of 1.9 GiB)
/dev/sda2 /media/006CCC436CCC3566 74.39 % (86.0 GiB of 335.9 GiB)

Display
-------

-Display-
Resolution : 1366x768 pixels
Vendor : The X.Org Foundation
Version : 1.9.0
-Monitors-
Monitor 0 : 1366x768 pixels
-Extensions-
BIG-REQUESTS
Composite
DAMAGE
DOUBLE-BUFFER
DPMS
DRI2
GLX
Generic Event Extension
GestureExtension
MIT-SCREEN-SAVER
MIT-SHM
NV-CONTROL
NV-GLX
RANDR
RECORD
RENDER
SECURITY
SHAPE
SYNC
X-Resource
XC-MISC
XFIXES
XFree86-DGA
XFree86-VidModeExtension
XINERAMA
XINERAMA
XInputExtension
XKEYBOARD
XTEST
XVideo
XVideo-MotionCompensation
-OpenGL-
Vendor : Unknown
Renderer : Unknown
Version : Unknown
Direct Rendering : No

Devices
*******

Battery
-------

-Battery: BAT0-
State : charged (load: unknown)
Capacity : 4000 mAh / 4400 mAh (90.91%)
Battery Technology : rechargeable (NiMH)
Model Number : Primary
Serial Number

Sensors
-------

-ACPI Thermal Zone-
TZ01 : 58°C

Input Devices
-------------

-Input Devices-
 Power Button
 Lid Switch
 Sleep Button
 Power Button
 AT Translated Set 2 keyboard
 HP WMI hotkeys
 HP Webcam
 ST LIS3LV02DL Accelerometer
 Video Bus
 HDA Intel Mic at Ext Front Jack
 HDA Intel Line Out at Ext Front Jack
 SynPS/2 Synaptics TouchPad

Storage
-------

-SCSI Disks-
ATA WDC WD6400BEVT-6
hp DVD RW AD-7586H

DMI
---

-BIOS-
Date : 12/03/2009
Vendor : Hewlett-Packard (www.hp.com)
Version : F.13
-Board-
Name : 3659
Vendor : Hewlett-Packard (www.hp.com)

Architecture: amd64
DistroRelease: Ubuntu 10.10
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GnomeSessionSuspendInhibited: No
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
NonfreeKernelModules: nvidia
Package: gnome-power-manager 2.32.0-0ubuntu1.1
PackageArchitecture: amd64
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-28-generic root=UUID=2e5cc446-cc1c-41ac-84ab-9c391b79cb50 ro vga=792 quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11
Tags: maverick
Uname: Linux 2.6.35-28-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 12/03/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.13
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3659
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 32.23
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.13:bd12/03/2009:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049C210000241310000020000:rvnHewlett-Packard:rn3659:rvr32.23:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 049C210000241310000020000
dmi.sys.vendor: Hewlett-Packard
------------------------------------------------------------------------------------------------
I don't know why this problem is coming. But what I know is the battery will not start to discharge from 100%-90%. It will start nearly 20%-30% and keep in power 20-25 mins. It is very annoying. But In Windows 7 it'll stay nearly 2 1/2 hrs.
---

[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[Uditha Bandara (udinnet)]

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[madbiologist (me-again)]

Official support for Ubuntu 10.10 "Maverick Meerkat" has ended. If this is still occurring on Ubuntu 14.10 "Utopic Unicorn" please run ubuntu-bug to file a new bug report so that we can get a fresh set of log files and system info.