It looks like some problem in cygwin1.dll version 1.3.10. Once I have downgraded the dll to 1.3.9, ssh worked fine. Thanks -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/