i've been seeing this exact issue too and only recently learned to pipe
output through cat if i want to expect to see it reliably come back. A
command repeated 30 times will return the correct output about 10 times,
and then a variety of other outputs the other 20 times.
However, i've only seen this issue with non-cygwin apps (like VC++ and
such) which don't seem to understand how to send output reliably when
cooperating with a version of ssh using socket pairs instead of pipes.
The cygwin version of openssh, i believe ,uses socket pairs and not pipes,
which may be the source of the problem.
J
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