> Tony Houghton
> > After not receiving the usual prompt help I get from asking things on
> > this list I thought I'd try to get to the bottom of things myself so I
> > had a look for one of the missing symbols:
> > 
> > find /usr/src/sys -name '*.c' -exec grep _assert_wait {} \;
> 
> May I recommend:
> 
> find /usr/src/sys -name "*.c" -print |xargs grep _assert_wait
> 

Hint: if you use 

find /usr/src/sys -name "*.c" -print |xargs grep _assert_wait /dev/null

then if xargs passes a single file name to grep, grep will still print the 
file name with the matching string.
 
> It is much faster, particularly on a StrongARM!

Definitely, much less execing to do.