Similar effect on my machine:
The ThinkPad x61s is running ubuntu 11.04. The upowerd (0.9.9-4) shows
sometimes a wrong energy-full value after wake up from standby:
upower --monitor-detail
Monitoring activity from the power daemon. Press Ctrl+C to cancel.
[14:46:10.037] device changed: /org/freedesktop/UPower/devices/battery_BAT0
native-path:
/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/PNP0C09:00/PNP0C0A:00/power_supply/BAT0
vendor: SANYO
model: 92P1003
serial: 804
power supply: yes
updated: Sun Jun 12 14:46:09 2011 (1 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
energy: 10.16 Wh
energy-empty: 0 Wh
energy-full: 166.08 Wh
energy-full-design: 63.36 Wh
energy-rate: 11.691 W
voltage: 13.82 V
time to empty: 52.1 minutes
percentage: 6.11753%
capacity: 98.6742%
technology: lithium-ion
History (charge):
1307882769 6.118 discharging
1307882739 6.190 discharging
1307882709 6.274 discharging
1307882679 6.334 discharging
History (rate):
1307882769 11.691 discharging
1307882740 13.400 discharging
1307882710 12.879 discharging
1307882679 13.064 discharging
Workaround: As mentioned already, restart the upowerd after wake up
seems to help.
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https://bugs.launchpad.net/bugs/770881
Title:
upower shows wrong battery percentage after waking up from suspend
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