The minimal LPAR install file references a initrd.addrsize, which is
supposed to be in the images subdirectory of the ftp site. This file
is missing. It appears to be generated by utils/geninitrdsz.c or
addrsize.c in RHEL, but I'm afraid I don't have much information
beyond that.
References:
http://www.linux-archive.org/centos/459334-generate-correct-initrd-addrsi...
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197773 (I haven't
seen that myself, don't have an account.)
Best regards,
Kufat