I didn't find the answer in Clonezilla's site/mailing list archives. Maybe someone has already seen this issue and knows how to recover from it:
On a test host, using www.partedmagic.com, I created two partitions: One to hold an OS I wish to use for testing (/sda1), and a second partition to hold images (/sda2)
After trying out Windows7, I used CloneZilla to restore an XPSP3 image, but I get the following error message when rebooting:
"Reboot and select proper boot device"
Could it be that Clonezilla didn't save/restore the MBR? Gparted didn't let me set a partition as "active", so it could also be this, but I have no idea.
Thank you for any help.