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Message #118790
[Bug 1435601] Re: [vivid] After resume, upower reports critically low battery
I've also encountered this bug, first thinking it was a bug with the KDE
battery indicator applet. Upower is giving incorrect energy-full values
when this is happening. I've attached my 'upower -d' output from when
this is happening, you can see that the energy-full values are way to
high. Restarting the upower.service solves the problem.
** Attachment added: "upower output when bug occurs"
https://bugs.launchpad.net/ubuntu/+source/upower/+bug/1435601/+attachment/4396660/+files/upower.txt
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https://bugs.launchpad.net/bugs/1435601
Title:
[vivid] After resume, upower reports critically low battery
Status in upower package in Ubuntu:
Confirmed
Bug description:
Version:
Ubuntu Vivid 15.04
Reproduce (often):
1. Close lid
2. After some time, open lid.
What happens:
I get a notification that the battery is critically low and the laptop hibernates.
What should happen:
The laptop should not hibernate.
This is a upower dump from a normal situation. I will try to record a dump in an abnormal situation where the laptop is about to shut down.
$ upower --dump #normal
Device: /org/freedesktop/UPower/devices/line_power_ADP0
native-path: ADP0
power supply: yes
updated: Mon 23 Mar 2015 11:44:49 PM CET (29 seconds ago)
has history: no
has statistics: no
line-power
warning-level: none
online: no
icon-name: 'ac-adapter-symbolic'
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: BAT0
vendor: SIMPLO
model: Dell
serial: 1180
power supply: yes
updated: Mon 23 Mar 2015 11:44:49 PM CET (29 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
warning-level: none
energy: 22.3184 Wh
energy-empty: 0 Wh
energy-full: 40.3596 Wh
energy-full-design: 47.286 Wh
energy-rate: 8.7616 W
voltage: 7.644 V
time to empty: 2.5 hours
percentage: 55%
capacity: 85.3521%
technology: lithium-ion
icon-name: 'battery-good-symbolic'
History (charge):
1427150688 55.000 discharging
1427150688 0.000 unknown
1427150677 55.000 discharging
History (rate):
1427150688 8.762 discharging
1427150688 0.000 unknown
1427150688 8.762 discharging
1427150677 11.625 discharging
Device: /org/freedesktop/UPower/devices/DisplayDevice
power supply: yes
updated: Mon 23 Mar 2015 11:44:48 PM CET (30 seconds ago)
has history: no
has statistics: no
battery
present: yes
state: discharging
warning-level: none
energy: 22.3184 Wh
energy-full: 40.3596 Wh
energy-rate: 8.7616 W
time to empty: 2.5 hours
percentage: 55%
icon-name: 'battery-good-symbolic'
Daemon:
daemon-version: 0.99.2
on-battery: yes
lid-is-closed: no
lid-is-present: yes
critical-action: HybridSleep
This is a upower dump from an abnormal situation where the battery is known to be at 53% (and it's recorded 6 minutes after the one above), but still is being reported as critical and subsequently puts the laptop to sleep:
upower --dump
Device: /org/freedesktop/UPower/devices/line_power_ADP0
native-path: ADP0
power supply: yes
updated: Mon 23 Mar 2015 11:50:23 PM CET (15 seconds ago)
has history: no
has statistics: no
line-power
warning-level: none
online: no
icon-name: 'ac-adapter-symbolic'
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: BAT0
vendor: SIMPLO
model: Dell
serial: 1180
power supply: yes
updated: Mon 23 Mar 2015 11:50:23 PM CET (15 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
warning-level: none
energy: 21.3194 Wh
energy-empty: 0 Wh
energy-full: 40.3596 Wh
energy-full-design: 47.286 Wh
energy-rate: 8.1918 W
voltage: 7.64 V
time to empty: 2.6 hours
percentage: 52%
capacity: 85.3521%
technology: lithium-ion
icon-name: 'battery-good-symbolic'
History (charge):
1427151023 52.000 discharging
1427151023 0.000 unknown
1427151022 0.000 empty
1427150929 53.000 discharging
History (rate):
1427151023 8.192 discharging
1427151023 0.000 unknown
1427151022 0.000 empty
1427150929 11.529 discharging
Device: /org/freedesktop/UPower/devices/DisplayDevice
power supply: yes
updated: Mon 23 Mar 2015 11:50:23 PM CET (15 seconds ago)
has history: no
has statistics: no
battery
present: yes
state: discharging
warning-level: none
energy: 21.3194 Wh
energy-full: 40.3596 Wh
energy-rate: 8.1918 W
time to empty: 2.6 hours
percentage: 52%
icon-name: 'battery-good-symbolic'
Daemon:
daemon-version: 0.99.2
on-battery: yes
lid-is-closed: no
lid-is-present: yes
critical-action: HybridSleep
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References
