Dual-Booting Windows XP/Vista And Ubuntu 7.04, Ubuntu partition problem

[Callisto]

Hi folks,

I have a laptop with Windows Vista on it installed, and would like to add Ubuntu 7.04 to it. I followed the instructions in the Dual-Booting Windows XP/Vista And Ubuntu 7.04 HowTo, http://www.howtoforge.com/dual_boot_windows_xp_vista_ubuntu_feisty, and I have the following problem:

I start the Ubuntu 7.04 from disc (CD is ok, I ran a check on it).
I start the installation process and get to the point where I create partitions.

I have: one physical disc, 160 GB. There are three partitions: 7 GB of some EISA Configuration, C on which Vista resides, and D - which I shrunk to get some free space. All this is followed by the 35 GB of free space for Ubuntu (I used Vista partitioning to shrink the D partition, as in the HowTo).

So Ubuntu sees all the mentioned disks plus this free space. I create a swap partition of 512 Mb following the instructions, but after that it renders the rest of the free space UNUSABLE (and it's supposed to be FREE). So I can't make the big partition for the system. All I can do is to undo the changes to the partitions and cancel the installation process. :(

Does anyone know why it (Ubuntu 7.04 installation thingy) makes the space unusable instead of free once I create a partition?

My laptop is:

Acer
Intel Core Duo processor T2250
160 GB HDD
2GB DDR2 (support dual-channel)

If you need more info I'll be happy to provide it.

[Callisto]

I tried trusting Ubuntu and chose the option of automatic partitioning, the one where it uses the largest contiguous free space. It worked! I now have both Ubuntu and Vista. :)

Sorry for creating the topic. :o