Power Management Applet doesn't show concerned tabs in some particular conditions

Bug #520020 reported by ભાવિન દોશી on 2010-02-10
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Ubuntu Netbook Remix
gnome-power-manager (Ubuntu)
Ubuntu Desktop Bugs

Bug Description

This is a very specific condition.

When I start my laptop on AC power, the power management applet only shows "On AC Power" and "General" tabs. This is perfect. But when I plug my battery in, it never shows the battery tab. Not only this, but when I pull out the AC cable, so that laptop just runs on battery, it still has "AC" and "General" tabs only. No "Battery" tab.

Steps to reproduce:
1. Power off the laptop.
2. remove the battery
3. start system on AC power.
4. open the power management applet. notice the two tabs. then close the applet.
5. insert the battery in the laptop. (I do this by closing laptop's lid, and then inserting battery, and then opening the lid again. My screen locks (as i configured it) when I do that).
6. open the power management applet once again. notice the same two tabs as in step 4. no new tab for "Battery" configs. then close the applet.
7. Unplug the AC adapter, so that laptop run on battery only.
8. open the power management applet, just to notice that same old two tabs are there, without "Battery" tab.

My Laptop:
Samsung N128 Netbook with standard hardware config as that of a netbook.

description: updated
Omer Akram (om26er) wrote :

this is a power manager bug

Changed in netbook-remix:
status: New → Invalid
Chris Coulson (chrisccoulson) wrote :

Thank you for your bug report. Please post the output of "devkit-power --dump" with your battery connected

Changed in gnome-power-manager (Ubuntu):
assignee: nobody → Ubuntu Desktop Bugs (desktop-bugs)
importance: Undecided → Low
status: New → Incomplete

here's the output of "devkit-power --dump"

native-path: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:2b/PNP0C09:00/PNP0C0A:00/power_supply/BAT1
  vendor: SAMSUNG Electronics
  power supply: yes
  updated: Thu Feb 11 22:31:23 2010 (24 seconds ago)
  has history: yes
  has statistics: yes
    present: yes
    rechargeable: yes
    state: charging
    energy: 16.8387 Wh
    energy-empty: 0 Wh
    energy-full: 41.07 Wh
    energy-full-design: 44.4 Wh
    energy-rate: 22.8216 W
    voltage: 11.476 V
    time to full: 1.1 hours
    percentage: 41%
    capacity: 92.5%
    technology: lithium-ion
  History (charge):
    1265907649 41.000 fully-charged
    1265907649 0.000 unknown
  History (rate):
    1265907683 22.822 charging
    1265907649 0.000 unknown

Device: /org/freedesktop/DeviceKit/Power/devices/line_power_ADP1
  native-path: /sys/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1
  power supply: yes
  updated: Thu Feb 11 22:23:40 2010 (487 seconds ago)
  has history: no
  has statistics: no
    online: yes

  daemon-version: 011
  can-suspend: yes
  can-hibernate yes
  on-battery: no
  on-low-battery: no
  lid-is-closed: no
  lid-is-present: yes

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