rsync over ssh hanging on connect

[mgk]

having trouble trying to connect from cygwin machine
to
linux machine running Fedora 3. when i run:

$ rsync -vv -e ssh linux-machine:

i get:
opening connection using ssh linux-machine rsync
--server --sender --vvr

and then no further output (no password prompt).

the task manager shows ssh.exe chugging (99% of CPU)

relevant facts:
 - connecting from cygwin machine via ssh works fine
 - scp from cygwin machine works fine
 - rsync to linux machine works from other cygwin and
linux machines
 - rsync to other linux machines from original cygwin
machine also fails
 - same results with version 12 or the new version 13
of
   cygwin libs

any and all suggestions appreciated.

   </mgk>

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