Bug 41623 - UPower Doesn't Detect Battery
Summary: UPower Doesn't Detect Battery
Status: RESOLVED NOTOURBUG
Alias: None
Product: upower
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Richard Hughes
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-10-09 10:23 UTC by j
Modified: 2011-10-10 09:16 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments
dmesg output (58.38 KB, text/plain)
2011-10-09 10:23 UTC, j 		Details
lspci output (2.16 KB, text/plain)
2011-10-09 10:26 UTC, j 		Details
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Description j 2011-10-09 10:23:52 UTC 
Created attachment 52148 [details]
dmesg output

I have a Latitude E6410 laptop, with a 9 cell battery using 64-bit Linux. (Arch to be specific). Somewhere in the neighborhood of one in seven times I turn my laptop on, KDE reports that I have no battery installed (even when running on it) and upower also reports that there are no batteries installed. When this happens, I just restart my laptop, and try again. Again, most of the time upower and the KDE battery applet sees the battery just fine, but one in seven times I boot it doesn't show up.

When I run upower -d, I get this:

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:              Sun Oct  9 13:12:05 2011 (143 seconds ago)
  has history:          no
  has statistics:       no
  line-power
    online:             yes

Daemon:
  daemon-version:  0.9.14
  can-suspend:     yes
  can-hibernate    yes
  on-battery:      no
  on-low-battery:  no
  lid-is-closed:   no
  lid-is-present:  yes
  is-docked:       no
Comment 1 j 2011-10-09 10:26:37 UTC 
Created attachment 52149 [details]
lspci output
Comment 2 Richard Hughes 2011-10-10 03:09:28 UTC 
What does "ls /sys/class/power_supply/" say when no battery is detected by upower? Thanks.
Comment 3 j 2011-10-10 07:24:21 UTC 
(In reply to comment #2)
> What does "ls /sys/class/power_supply/" say when no battery is detected by
> upower? Thanks.

The response I get is "AC".
Comment 4 Richard Hughes 2011-10-10 07:50:28 UTC 
(In reply to comment #3)
> The response I get is "AC".

Then it's a kernel bug, as upower just reads this interface and all it shows is the AC adaptor. Sorry. :(
Comment 5 j 2011-10-10 08:58:41 UTC 
Thank you for helping me. What is the link for filing a bug report against the kernel?
Comment 6 Richard Hughes 2011-10-10 09:16:38 UTC 
https://bugzilla.kernel.org/ seems down at at the moment, so I would use your distros bugtracker for now.

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