This is a nasty looking bug indeed! And quite irresponsible from Canonical to continue shipping this bug. A 10.10.1 would have been a wiser decision.
Luckily I was already alert that Ubuntu could ship data-loss installer bugs (faulty grub or mbr, etc.) so I take special care to first check out the forums. Then I'll back up mbr and stray away from any 'auto' partitioning options -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/655950 Title: Maverick ubiquity confusion w/ auto-resize option results in OS and data loss -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs