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[Bug 838543] Re: False battery warning +suspend

 

Also affects me, both on 11.04 and 11.10 (clean install) but not on
previous versions.  Running on a Dell E4300.  Output of upower --dump is
at the bottom of this email.

Interestingly, I've occasionally seen the default gnome-shell battery
indicator applet show the existence of TWO batteries, one of which has
0% and the other 100% (even when on AC power).  After a short while
(e.g. enough restarts or access to AC), this resolves itself and I only
see one battery, showing my actual amount of power.

Not sure if it is related, but I also get two batteries listed in
/proc/acpi/battery even though my system only has one.  I haven't seen
what happens to those BAT* folders when things are on the fritz, but the
contents of those files are also included at the bottom and look
innocuous when things are running well.


Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path:          /sys/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/AC
  power supply:         yes
  updated:              Fri Oct 21 12:37:32 2011 (1429 seconds ago)
  has history:          no
  has statistics:       no
  line-power
    online:             yes

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0
  vendor:               SMP
  model:                DELL FM33889
  serial:               2169
  power supply:         yes
  updated:              Fri Oct 21 12:58:41 2011 (160 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               fully-charged
    energy:              57.72 Wh
    energy-empty:        0 Wh
    energy-full:         57.72 Wh
    energy-full-design:  57.72 Wh
    energy-rate:         0.0111 W
    voltage:             12.482 V
    percentage:          100%
    capacity:            66.5962%
    technology:          lithium-ion

Daemon:
  daemon-version:  0.9.13
  can-suspend:     yes
  can-hibernate    yes
  on-battery:      no
  on-low-battery:  no
  lid-is-closed:   no
  lid-is-present:  yes
  is-docked:       yes


BAT0/alarm
alarm:                   unsupported
-------------

BAT0/info
present:                 yes
design capacity:         5200 mAh
last full capacity:      3463 mAh
battery technology:      rechargeable
design voltage:          11100 mV
design capacity warning: 520 mAh
design capacity low:     157 mAh
cycle count:		  0
capacity granularity 1:  52 mAh
capacity granularity 2:  52 mAh
model number:            DELL FM33889
serial number:           2169
battery type:            LION
OEM info:                SMP
-------------

BAT0/state
present:                 yes
capacity state:          ok
charging state:          charged
present rate:            1 mA
remaining capacity:      5200 mAh
present voltage:         12482 mV
-------------

BAT1/alarm
present:                 no
-------------

BAT1/info
present:                 no
-------------

BAT1/state
present:                 no
-------------

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-settings-daemon in Ubuntu.
https://bugs.launchpad.net/bugs/838543

Title:
  False battery warning +suspend

Status in “gnome-settings-daemon” package in Ubuntu:
  Incomplete

Bug description:
  I pulled the plug on my laptop with it's battery full:

  ubuntu@ubuntu:~$ cat /proc/acpi/battery/BAT1/state
  present:                 yes
  capacity state:          ok
  charging state:          charged
  present rate:            0 mA
  remaining capacity:      7200 mAh
  present voltage:         11100 mV
  ubuntu@ubuntu:~$ ubuntu-bug -w
  ubuntu@ubuntu:~$ cat /proc/acpi/battery/BAT1/info
  present:                 yes
  design capacity:         7200 mAh
  [...]

  And suddenly got a dialog saying that it was critically low (while the
  icon top-left appears, properly, as full) and the laptop did suspend
  shortly after that.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gnome-control-center 1:3.1.5-0ubuntu4
  ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
  Uname: Linux 3.0.0-9-generic x86_64
  Architecture: amd64
  CasperVersion: 1.280
  Date: Thu Sep  1 02:26:17 2011
  ExecutablePath: /usr/bin/gnome-control-center
  LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110831)
  SourcePackage: gnome-control-center
  UpgradeStatus: No upgrade log present (probably fresh install)

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References