I also have the same problem.
I first installed kubuntu 8.19 beta on a partition. After that I deleted my other partitions and merged them with my kubuntu partition. That screwed my grub and I had to grub-install from my live cd. After that there is no last good boot and As mentioned in the bug report i dont either have /boot/last-good-boot nor /lib/modules/last-good-boot
I also have the same problem. good-boot nor /lib/modules/ last-good- boot
I first installed kubuntu 8.19 beta on a partition. After that I deleted my other partitions and merged them with my kubuntu partition. That screwed my grub and I had to grub-install from my live cd. After that there is no last good boot and As mentioned in the bug report i dont either have /boot/last-