The failure of grub to install from my last message may be related to the various testing we did. At this time, it's not reproducible. I've boiled the work-around steps to: Install, wait until the end, run Dapper's parted and let it fix the corrupt (i.e. synced) GPT, re-install grub, and finish the reboot as normal. I've attached parted from a booted Dapper CD (on the amd64 architecture) here for others to use.
The failure of grub to install from my last message may be related to the various testing we did. At this time, it's not reproducible. I've boiled the work-around steps to: Install, wait until the end, run Dapper's parted and let it fix the corrupt (i.e. synced) GPT, re-install grub, and finish the reboot as normal. I've attached parted from a booted Dapper CD (on the amd64 architecture) here for others to use.