On Lucid returning to libfuse2 2.8.1-1.1ubuntu2 and the corresponding fuse-utils solves the problem, too. So it seems that there is a bug in the last security uupdate of this packages that breaks fuse.
On Lucid returning to libfuse2 2.8.1-1.1ubuntu2 and the corresponding fuse-utils solves the problem, too. So it seems that there is a bug in the last security uupdate of this packages that breaks fuse.