Well, the short version is that I upgraded an f8 x86_64 installation to f9 and then tried to update that upgrade (system below).
I thought I was updating just critical updates (those were listed in a popup window), but I apparently started the whole shebang. Several days later (500+ MB on dialup) the download stopped with a message: "kdegraphics-libs needed for (installed) kdegraphics-extras-3.5.8-7.fc8.i386" twice. I tried downloading the libs file using yum, but it instantly shows it is installed (1.4 MB, so it must already have been downloaded or installed). The update still won't finish. I tried removing the extras file, but the update still won't finish. I tried unchecking all i386 packages in the "Review" list. Still no update.
I presume there is some i386 program from f8, perhaps installed from livna, for which there is no upgrade, but why won't the package manager install the x86_64 package alongside the i386?
I'd appreciate some feedback as I try to figure out how to update my upgrade while saving my days of downloading.
System: Gigabyte M57-SLI-S4 motherboard, Athlon x2 4000+ proc, 4 GB PC6400 RAM, nVidia 7300 video, 2-320 GB SATA hds in a RAID 1 mirror array, Samsung DVD-RW and Toshiba DVD-ROM drives, Samsung 1680x1050 monitor, Logitec wired laser mouse