Comment 7 for bug 545966

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Laurent Bonnaud (laurent-bonnaud) wrote : Re: [lucid] install creates a strange partition table

I think I have an answer for comment #3:

From https://wiki.ubuntu.com/LucidLynx/ReleaseNotes :

By default, Ubuntu 10.04 LTS aligns partitions on disk to 1 MiB (1048576 bytes) boundaries. This ensures maximum performance on many modern disks, particularly solid state drives but also new "Advanced Format" disks with physical sectors larger than the traditional 512 bytes. Very few systems nowadays need the old alignment, used in the days of MS-DOS when it was useful for partitions to start at the beginning of a cylinder.

This leaves the "partition unreadable by cfdisk" bug. I will try with the final lucid release...