NEW ELEMENTS: - Debian testing and Ubuntu12.04 (os-prober 1.51) are affected by the bug: their os-prober detect Fedora16 but not Fedora17. - Ubuntu11.04 (os-prober 1.44) detects Fedora17
So the bug seems to be a regression of os-prober. And it seems to be restricted to the detection of Fedora17.

