problem converting to ext3 file system

[Carlo Vanini]

>> Did you create a partition on the free space?
>>
> yes now I have a partition that is formatted as ext3 and about 520
> unallocated space >> I wanted to make them as swap but i'm afraid to apply
> this because I can only do it as primary swap..the error is still
> there"Unable to find a medium containing a live file system" on cd booting
> installation
>

>From the error message an bug #124260 it looks like the problem is
with the cd and not the partitions.

https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/124260

hth,
c