Bug 71874 - fully charged battery reported as 0% charged
Summary: fully charged battery reported as 0% charged
Status: RESOLVED FIXED
Alias: None
Product: upower
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: Richard Hughes
QA Contact:
URL:
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Keywords:
Depends on:
Blocks:
 
Reported: 2013-11-21 13:37 UTC by Rex Dieter
Modified: 2014-01-16 12:51 UTC (History)
0 users

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Description Rex Dieter 2013-11-21 13:37:50 UTC 
See also downstream bug,
https://bugzilla.redhat.com/show_bug.cgi?id=1025980

Since upgrading to upower-0.9.23 (upower-0.9.23-1.fc20.x86_64 build specifically), booting or resuming laptop with fully charged battery upower reports:
    state:               fully-charged
    percentage:          0%

full upower -d output below:

$ upower -d
Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path:          AC
  power supply:         yes
  updated:              Sat 02 Nov 2013 01:12:55 PM CDT (125 seconds ago)
  has history:          no
  has statistics:       no
  line-power
    online:             yes

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          BAT0
  vendor:               SMP
  model:                DELL PD6858
  serial:               1842
  power supply:         yes
  updated:              Sat 02 Nov 2013 01:13:00 PM CDT (120 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               fully-charged
    energy:              86.58 Wh
    energy-empty:        0 Wh
    energy-full:         86.58 Wh
    energy-full-design:  86.58 Wh
    energy-rate:         0.0111 W
    voltage:             12.464 V
    percentage:          0%
    capacity:            93.2564%
    technology:          lithium-ion

Daemon:
  daemon-version:  0.9.23
  on-battery:      no
  on-low-battery:  no
  lid-is-closed:   no
  lid-is-present:  yes
  is-docked:       no



Now unplug from AC wait a bit and percentage jumps up to expected values:
    percentage:          97%

$ upower -d
Device: /org/freedesktop/UPower/devices/line_power_AC
  native-path:          AC
  power supply:         yes
  updated:              Sat 02 Nov 2013 10:01:33 PM CDT (154 seconds ago)
  has history:          no
  has statistics:       no
  line-power
    online:             no

Device: /org/freedesktop/UPower/devices/battery_BAT0
  native-path:          BAT0
  vendor:               SMP
  model:                DELL PD6858
  serial:               1842
  power supply:         yes
  updated:              Sat 02 Nov 2013 10:03:39 PM CDT (28 seconds ago)
  has history:          yes
  has statistics:       yes
  battery
    present:             yes
    rechargeable:        yes
    state:               discharging
    energy:              78.366 Wh
    energy-empty:        0 Wh
    energy-full:         86.58 Wh
    energy-full-design:  86.58 Wh
    energy-rate:         36.5523 W
    voltage:             12.032 V
    time to empty:       2.1 hours
    percentage:          97%
    capacity:            93.2564%
    technology:          lithium-ion
  History (rate):
    1383447819  36.552  discharging
    1383447789  33.788  discharging
    1383447759  34.177  discharging

Daemon:
  daemon-version:  0.9.23
  on-battery:      yes
  on-low-battery:  no
  lid-is-closed:   no
  lid-is-present:  yes
  is-docked:       no
Comment 1 Rex Dieter 2013-11-21 13:50:05 UTC 
This may be relevant:

systemctl status upower:
...

Nov 21 07:48:45 localhost.localdomain upowerd[1656]: (upowerd:1656): UPower-Linux-WARNING **: energy 86.580000 bigger than full 77.899800
Nov 21 07:48:45 localhost.localdomain upowerd[1656]: (upowerd:1656): GLib-GObject-WARNING **: value "111.000000" of type 'gdouble' is invalid or out of range for prop... 'gdouble'
Comment 2 Rex Dieter 2014-01-16 12:51:38 UTC 
Confirmed fixed in 0.9 branch with Oct 22 commit, backported to fedora 0.9.23 packaging downstream.

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