Aha!! I think I figured this one out.
Short answer: In gconf-editor, set apps->gnome-power-
manager->use_profile_time to FALSE (unchecked).
Longer answer: In poking around inside gnome-power-manager I could see that it
*does* get the correct discharge time, sometimes (the Device Info page, for
instance), but when running it through the debugger I found it zeros out that
number. Inside gnome-power-manager, gpm-cell-array.c there is the following
bit of code:
/* We may want to use the old time remaining code.
* Hopefully we can remove this in 2.19.x sometime. */
if (cell_array->priv->use_profile_calc == TRUE &&
unit->kind == GPM_CELL_UNIT_KIND_PRIMARY) {
gpm_debug ("unit->percentage = %i", unit->percentage);
unit->time_discharge = gpm_profile_get_time
(cell_array->priv->profile, unit->percentage, TRUE);
unit->time_charge = gpm_profile_get_time
(cell_array->priv->profile, unit->percentage, FALSE);
} else {
This appears to be what causes this to get zero'd out. By setting
'use_profile_time' in gconf off, it causes the use_profile_calc
parameter in the above code to be FALSE, which turns off that bit of
code. The comment there before the code makes it sound like the authors
are iffy on this code to begin with, so presumably this bug is a sign
that having this code go away would be a good thing. :-)
--
Laptop Battery Time Remaining Outrageously Inaccurate
https://bugs.launchpad.net/bugs/120258
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