> In truth I don't know what the problem is. The only thing that
> strikes me as peculiar is that /bin/cat is linked against
> libnfslockfile or some such, while cat on my debian pc is not (but
> then I don't have the same packages on that machine). Perhaps there's
> a bug in nfslockfile?
You have libnfslockfile.so in /lib installed? Short test: rename it or
move it, run ldconfig and test cat.
Hope it helps,
Hartmut