the problem was GRUB. the root-argument was /dev/hda2. i changed it to /dev/sda2 - now it works.
but /dev/hda2 worked with earlier versions, weird...
the problem was GRUB. the root-argument was /dev/hda2.
i changed it to /dev/sda2 - now it works.
but /dev/hda2 worked with earlier versions, weird...