When installing FC6, if I attempted to use yum repositories during the install, When I attempted to go past the package selection screen, dependency checking would fail with the error that the DVD could not be unmounted. Going to a terminal and attempting to unmount resulted in a "Function not implemented error" I would then have to reboot and proceed with the installation. This occurred twice. The two installations without selecting repositories proceeded without error. The DVD was a Sony DRU-520 (I believe).
Can you provide the /tmp/anaconda.log from when this occurred?
Is there a way I can get a log without losing my current install. My last install way successful so I do not have an anaconda.log.
If you've already done an install after the one that broke, the logs from that error are gone. However this sounds like a duplicate of bug 212603 so I am going to mark it as such. It looks like we're getting more information over there. *** This bug has been marked as a duplicate of 212603 ***