Comment 7 for bug 848072

Hmm, I tried reproducing the issue here with Oneiric 64bit but don't seem to get the same issue as you did.

I'm using your ubuntu-minimal.cfg hosted at http://www.stgraber.org/download/ubuntu-minimal.cfg and booting the current kernel and initrd from http://archive.ubuntu.com/ubuntu/dists/oneiric/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/ using pxelinux in a VM using the etherboot boot rom.

I first see d-i starting up and doing basic network configuration, then restarting once it's parsed the kickstart file, then doing dhcp configuration again, succeeding and starting to download installer components.

Can you confirm you still have that issue with what's currently on http://archive.ubuntu.com/ubuntu/dists/oneiric/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/ and if so, could you share your dhcp configuration?