On Wed, Jul 30, 2014 at 06:39:16PM +0100, Paul Burton wrote: > Any chance you could expand that acronym for me? Maybe I'm being slow > since neither of the expansions that spring to mind make much sense. UML - User Mode Linux. What I meant is something like UML might have a legitimate reason to load values triggering exceptions into the FPU. Obviously with UML not being supported on Linux that's hard to check for sure ... Ralf