I can confirm this bug.
If I look at Julian's comment in bug #384987 it is suggested that both aufs-modules and aufs-sources should be removed from Karmic and AUFS2 should be used instead. It does however not look like AUFS2 is available in Karmic.
I can confirm this bug.
If I look at Julian's comment in bug #384987 it is suggested that both aufs-modules and aufs-sources should be removed from Karmic and AUFS2 should be used instead. It does however not look like AUFS2 is available in Karmic.