[Beowulf] Problems with a JS21 - Ah, the networking...

[Mark Hahn]

> clone(child_stack=0,
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
> child_tidptr=0x40046f68) = 31384
> waitpid(-1,

this looks like a fork/exec that's failing.  as you might expect
if, for instance, your shared FS doesn't supply a binary successfully.
note also that ltrace -S often provides somewhat more intelligible
diags for this kind of thing (since it might show what's actually
being exec'ed.)