Crash during yum update
I just did a DVD upgrade from FC6 to FC7, all went well. After reboot, I did the customary "yum update". Halfway through installing the 400+ updates, the system crashed (it was my fault, I was messing with the nvidia utility).
Now all yum updates return "No Packages marked for Update/Obsoletion". It appears that while all 400+ updates were downloaded but only 200+ installed, yum or rpm thinks that they were all installed.
Instinctively I did a "yum clean all", which I later realized I probably shouldn't have done (maybe I could have done an rpm -force -Uvh on all those rpms that yum downloaded). I have also tried to delete and rebuild my rpm database with no luck.
I could supply messages, but from what I can tell yum simply thinks everything is up-to-date.