This article is from the SSH - Secure Shell FAQ, by Thomas Koenig Thomas.Koenig@ciw.uni-karlsruhe.de with numerous contributions by others.
rxvt closes all file descriptors when starting up, including the one
used by ssh-agent. Use xterm, or look at the mailing list archives at
http://www.cs.hut.fi/ssh/ssh-archive/ for Timo Rinne's rxvt patch.
 
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