Fixing LDXE Shutdown Menu after Upgrading from Fedora 17 to 18

Following instructions from https://fedoraproject.org/wiki/Upgrading_Fedora_using_yum

I used yum to update from Fedora 17 to 18

su -c ‘yum update yum’
su -c ‘yum clean all’
su -c ‘yum –releasever=18 –disableplugin=presto distro-sync’
su -c ‘rpm –rebuilddb’

But afterward my LDXE Desktop was slower to start and displayed an error message:

Error initializing authority: Error calling StartServiceByName for org.freedesktop.PolicyKit1: GDBus.Error:org.freedesktop.DBus.Error.TimedOut:

Moreover, the shutdown menu showed only Logout and Cancel. It was missing the first 4 menu items including Shutdown and Reboot.

I fixed it by re-installing Policy kit…

# yum reinstall polkit\* upower
# reboot

…thanks to advice from http://www.mail-archive.com/test@lists.fedoraproject.org/msg20483.html

This may not be an LDXE problem, but a Fedora upgrade via Yum problem.

I just learned now it is indeed a bug when using Yum to update from Fedora 17 to 18. Ref: https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=841451

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