From: <HIDDEN>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Keyboard stops working (Linux)
Date: Wed, 25 Aug 2010 14:06:04 +0000 (UTC)
Organization: The MathWorks, Inc.
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"Matthias " <> wrote in message <i52tij$hkg$>...
> Update: 
> Ok, that's twice now this morning, within the space of one hour that keyboard input stopped in Matlab. On both occasions this happened after having pressed the Tab key (auto complete) for the nth time while inside the command line. 

Was this with or without Compiz?  Do you have Tab bound to some other action?  Another thought: there is a setting in Ubuntu to activate windows when you hover the mouse over them.  Do you have this setting turned on?  And if so, is your mouse over the MATLAB window when this problem occurs?