All Manuals > LispWorks Release Notes and Installation Guide > 12 Troubleshooting, Patches and Reporting Bugs > 12.7 Troubleshooting on X11/Motif

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12.7.1 Problems with the X server

Running under X11/Motif, LispWorks may print a message saying that it is unable to connect to the X server. Check that the server is running, and that the machine the image is running on is authorized to connect to it. (See the manual entry for command xhost(1) .)

On Mac OS X, if you attempt to start the LispWorks X11/Motif GUI in Terminal.app, an error message Failed to open display NIL is printed. Instead, run LispWorks in X11.app.


LispWorks Release Notes and Installation Guide - 23 Dec 2011

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