"dump -L -C32 .. | gzip -3c" stuck under -current

[M. Warner Losh]

In message: <20040926231325.K1076 at fw.reifenberger.com>
            Michael Reifenberger <mike at reifenberger.com> writes:
: On Sun, 26 Sep 2004, M. Warner Losh wrote:
: ...
: > : gzip where (accodingly to top) in the state 'piperd'
: >
: > Must be dump that's stuck then, or there's some subtle bug in closing
: > pipes.  piperd is Pipe Read wait state.  gzip is waiting to get more
: > data over the pipe, and it never arrives.
: >
: 
: Hmm.
: Then this could be a snapshot problem.
: Any tips how to debug?

I'm not sure.  Just reporting what piperd ment...

Warner