Public bug reported:
very possibly just a coincidence of timing, but after upgrading to
Jaunty lat week, my laptop's battery life has severely diminished. Used
to get ~2 hours on battery, but now down to 10-20 minutes (usually
operate docked & plugged in, so unfortunately don't know if the battery
life was this bad immediately before jaunty upgrade). On login, gnome-
power-manager gives me a warning that battery is old or broken, w/
capacity of only 49%.
also, for what it's worth:
$ cat /proc/acpi/battery/BAT0/info
present: yes
design capacity: 5200 mAh
last full capacity: 2574 mAh
battery technology: rechargeable
design voltage: 11100 mV
design capacity warning: 520 mAh
design capacity low: 157 mAh
capacity granularity 1: 52 mAh
capacity granularity 2: 52 mAh
model number: DELL XD7366
serial number: 1890
battery type: LION
OEM info: SMP
again, probably just end of battery's lifetime, but is it possible that some
sort of power management change could have caused this ?
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
MachineType: Dell Inc. Latitude D820
NonfreeKernelModules: nvidia
Package: linux-image-2.6.28-11-generic 2.6.28-11.39
ProcCmdLine: root=UUID=dec075cc-fdda-447f-b8c5-67b244f5f126 ro quiet splash
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-11.39-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
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Battery Capacity Diminished After Jaunty Upgrade
https://bugs.launchpad.net/bugs/354584
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