I can confirm I am also seeing the problem on an MSI Wind U100 (with
original bios) and had found the fix using setting 'use_time_for_policy'
to FALSE works. The problem occurs with two different batteries.
Looking at the various charts one can view using the gnome-power-manager
gui there seems to be a lot of random large values after a unplugging
and plugging in the adapter both in charge and discharge times.
Excerpt from upower --dump shortly after a change shows
.........
state: discharging
energy: 22.3998 Wh
energy-empty: 0 Wh
energy-full: 22.6218 Wh
energy-full-design: 24.42 Wh
energy-rate: 11.3775 W
voltage: 12.152 V
time to empty: 2.0 hours
percentage: 99.0186%
capacity: 92.0455%
History (charge):
1273505398 99.019 discharging
1273505367 99.460 discharging
1273505336 99.902 discharging
History (rate):
1273505398 11.377 discharging
1273505367 11.466 discharging
1273505336 11.400 discharging
1273505334 13.120 discharging
1273505332 727.438 discharging
Daemon:
daemon-version: 0.9.1
............
There seem to be two 'extra' anomalous readings in the rate history which do
not match readings in the charge history. The idea of a delay seems a good one
until real cause is found especially if it is Bios related.
I hope this can be fixed soon as such problems give Linux a bad name
especially with owners of MSI machines after all the problems with
Karmic. It took me 4 hours to find a fix and another hour before I came
to this bug report hidden amongst many others for the gnome-power-
manager. It wold have taken a lot longer if I did not know about and use
gconf-editor. I am keeping our other Wind on Jaunty a bit longer which
has behaved flawlessly for a year.
--
Power manager mistakenly thinks my battery power is critically low, and
hibernates -- MSI Wind U100
https://bugs.launchpad.net/bugs/558627
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