Public bug reported:
Binary package hint: upower
gnome-power-manager report wrong percentage of energy after suspend/resume with
power connection.
It caused because upowerd report wrong values.
Distribution: Ubuntu Natty (11.04) amd64
Laptop: Lenovo ThinkPad X201s
When suspneding on 30% of battrey with AC connection. and resume at >95%
but report as 9%
miurahr@miurahr-note:~/projects/gnome/upower-0.9.9$ upower --monitor-detail
Monitoring activity from the power daemon. Press Ctrl+C to cancel.
[07:57:26.092] device changed: /org/freedesktop/UPower/devices/battery_BAT0
native-path:
/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:0a/PNP0C09:00/PNP0C0A:00/power_supply/BAT0
vendor: SANYO
model: 42T4835
serial: 366
power supply: yes
updated: Fri May 13 07:57:25 2011 (1 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
energy: 6.115 Wh
energy-empty: 0 Wh
energy-full: 66.48 Wh
energy-full-design: 62.16 Wh
energy-rate: 1.958 W
voltage: 12.468 V
time to empty: 3.1 hours
percentage: 9.19826%
capacity: 100%
technology: lithium-ion
History (charge):
1305241045 9.198 discharging
1305241015 9.234 discharging
1305240985 9.269 discharging
1305240955 9.305 discharging
History (rate):
1305241046 1.958 discharging
1305241016 1.904 discharging
1305240986 1.939 discharging
1305240956 1.896 discharging
[07:57:56.093] device changed: /org/freedesktop/UPower/devices/battery_BAT0
native-path:
/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:0a/PNP0C09:00/PNP0C0A:00/power_supply/BAT0
vendor: SANYO
model: 42T4835
serial: 366
power supply: yes
updated: Fri May 13 07:57:55 2011 (1 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
energy: 6.091 Wh
energy-empty: 0 Wh
energy-full: 66.48 Wh
energy-full-design: 62.16 Wh
energy-rate: 2.019 W
voltage: 12.455 V
time to empty: 3.0 hours
percentage: 9.16215%
capacity: 100%
technology: lithium-ion
History (charge):
1305241075 9.162 discharging
1305241045 9.198 discharging
1305241015 9.234 discharging
1305240985 9.269 discharging
History (rate):
1305241076 2.019 discharging
1305241046 1.958 discharging
1305241016 1.904 discharging
1305240986 1.939 discharging
^C
miurahr@miurahr-note:~/projects/gnome/upower-0.9.9$ upower --monitor-detail
0*@!$ shell 1-$ bash miurahr@miurahr-note 192.168.1.103 Menu:<F9>
U Ubuntu 11.04 ^8kbps v40kbps 31! 4d22h 2.18 4x1.2GHz 3.5GB,75% 2011-05-13 07
History (rate):
1305241046 1.958 discharging
1305241016 1.904 discharging
1305240986 1.939 discharging
1305240956 1.896 discharging
[07:57:56.093] device changed: /org/freedesktop/UPower/devices/battery_BAT0
native-path:
/sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:0a/PNP0C09:00/PNP0C0A:00/power_supply/BAT0
vendor: SANYO
model: 42T4835
serial: 366
power supply: yes
updated: Fri May 13 07:57:55 2011 (1 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
energy: 6.091 Wh
energy-empty: 0 Wh
energy-full: 66.48 Wh
energy-full-design: 62.16 Wh
energy-rate: 2.019 W
voltage: 12.455 V
time to empty: 3.0 hours
percentage: 9.16215%
capacity: 100%
technology: lithium-ion
History (charge):
1305241075 9.162 discharging
1305241045 9.198 discharging
1305241015 9.234 discharging
1305240985 9.269 discharging
History (rate):
1305241076 2.019 discharging
1305241046 1.958 discharging
1305241016 1.904 discharging
1305240986 1.939 discharging
Because Linux kernel report good values, it would be problem on upower.
miurahr@miurahr-note:~/projects/gnome/upower-0.9.9$ cat
/proc/acpi/battery/BAT0/state
present: yes
capacity state: ok
charging state: discharging
present rate: 2022 mA
remaining capacity: 5860 mAh
present voltage: 12353 mV
** Affects: upower (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/781951
Title:
wrong energy reort on Lenovo X201s
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