* Do you have /boot mounted separately? (This should not really be necessary, but it was recommended as a workaround at one point in this bug, and the purpose of the lupin-support upgrade was to handle this better.)
* Have you also upgraded grub-common and grub-pc from karmic-proposed? (If not, please do.)
Ricardo, could you clarify two things for me:
* Do you have /boot mounted separately? (This should not really be necessary, but it was recommended as a workaround at one point in this bug, and the purpose of the lupin-support upgrade was to handle this better.)
* Have you also upgraded grub-common and grub-pc from karmic-proposed? (If not, please do.)