Rescue CD fails to initialize network using IPv4 DHCP

[John Reiser]

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=238080

For some weeks the Rescue CD-ROM has failed to initialize the network
using IPv4 [only] DHCP.  Anaconda team has attacked the problem recently,
but the rescue CD still fails on my nVidia CK804 eth0.  What is needed
to get this working properly?

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