Power Management works on Live USB but not on installed system

[Mark Greenwood]

Binary package hint: kdebase

I really don't know which package to file this bug against. It could just as easily be an installer problem.

I'm installing on an Acer Asipre One netbook
I downloaded a daily build ISO of Kubuntu Natty - 18th Dec 2010.
Made a bootable USB key and booted off that and chose 'Try Kubuntu'. When I do this, Power Management is working (by which I mean I can change power profiles using PowerDevil, and PowerDevil changes profiles automatically when I remove the mains power)

However, now I have installed Kubuntu to the hard drive and Power Management is not so happy. When I log in I get a popup which disappears before I can read all of it but it says something to the effect that 'KDE Power Management could not start because no valid power management backends could be found'. PowerDevil now does not work - no power profiles can be used.

If the installer has missed something out then I can't work out what it is - upower appears to be installed and the daemon is running. HAL is not running either on the installed system or the Live USB system.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: kdebase-data 4:4.5.85-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.37-10.24-generic 2.6.37-rc6
Uname: Linux 2.6.37-10-generic i686
Architecture: i386
Date: Mon Dec 20 06:29:17 2010
Dependencies:

PackageArchitecture: all
ProcEnviron:
 LANGUAGE=
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: kdebase

[Mark Greenwood (fatgerman)]

Happy to report that something in today's updates has solved this problem