Description of problem: Any method of installing packages fails with PackageKit. With pkcon, gnome software utility, pkcon, missing shell command, font installation, etc. Error message is always "Fatal Error: Failed to find (packagename)". Strangely, this happens even when installing a bare RPM using the graphical tool, though the installation seems to complete successfully. Version-Release number of selected component (if applicable): PackageKit.x86_64 0.8.17-1.fc20 @updates PackageKit-Qt.x86_64 0.8.9-1.fc20 @updates PackageKit-command-not-found.x86_64 0.8.17-1.fc20 @updates PackageKit-glib.x86_64 0.8.17-1.fc20 @updates PackageKit-gstreamer-plugin.x86_64 0.8.17-1.fc20 @updates PackageKit-gtk3-module.x86_64 0.8.17-1.fc20 @updates PackageKit-hawkey.x86_64 0.8.17-1.fc20 @updates PackageKit-yum-plugin.x86_64 0.8.17-1.fc20 @updates How reproducible: Every time. Steps to Reproduce: [thomas@homura ~]$ pkcon install geany Resolving [=========================] Loading cache [=========================] Finished [=========================] Fatal error: Failed to find geany;1.24.1-1.fc20;x86_64;updates
The problem seems to be caused by PackageKit-yum not being installed. I would have expected this to be a dependency of PackageKit-hawkey?
hawkey uses dnf (essentially), and -yum is the default. By installing -yum, you've switched to using yum. So, it would appear that simply the hawkey backend wasn't working for you.
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This is fixed in F21+ where we only ship one PackageKit backend.