Sorry for the delay in replying to this.
This is basically bug 14244, and as of Ubuntu 7.10 there's now a horrible hack in the boot loader installation code to ensure that there's a bootable partition.
Sorry for the delay in replying to this.
This is basically bug 14244, and as of Ubuntu 7.10 there's now a horrible hack in the boot loader installation code to ensure that there's a bootable partition.