I am having this same issue in Natty. In fact, this problem only occured after upgrading to Natty. Installing seahorse-plugins did not resolve the issue. Running ssh-add did resolve the issue.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/201786 Title: ssh Agent admitted failure to sign using the key on big endian machines -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs