dscl不能在重新连接的屏幕内部工作

I am on Mac OS X 10.5.8. I am not sure exactly when this started happening, but I find that when I re-attach to a screen session that was started from an ssh session, anything relying on dscl (directory services), or the underlying getent stuff, fails.I am on Mac OS X 10.5.8. I am not sure exactly