The upgrade seemed to be running properly, all files were being installed properly on my DELL Latitude CP laptop, then, a few minutes from the end of the upgrade, an error was reported by anaconda and it shutdown my system. Since I had no real way of booting after that, I was forced to reformat and install RH7 from scratch. It installed fine this time. Also, the boot cd for RH7 does not seem to work on some systems. It would not work with my laptop and would not work with another Gateway machine at work. I booted off of an install disk instead and it worked on my laptop. When I put the CD in a newer Latitude laptop, it was able to boot fine however? Sorry for not having more info on the update bug, but when the system offered it to me, I was too pissed off at the time.
Sorry you had problems - if you have it happen again please save the information and open a new bug and we'll look at it.