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From: Sean McNeil <sean@mcneil.com>
To: Will Saxon <WillS@housing.ufl.edu>
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Date: Wed, 03 May 2006 11:40:30 -0700
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Cc: java@freebsd.org
Subject: Re: Membar issue i386 specific?
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On Wed, 2006-05-03 at 13:42 -0400, Will Saxon wrote:
> Hello,
> 
> Is the SIGBUS issue requiring the use of -XX:+UseMembar i386 specific? I
> was positive that I had used this option before on an amd64 machine but
> today when I went to edit my /usr/local/bin/javavm script (per a prior
> post by Greg Lewis) and tried to execute a java program I received the
> following error:
> 
> 	Unrecognized VM option '+UseMembar'
> 	Could not create the Java virtual machine.
> 
> I verified that this occurs when passed on the command line also.

The amd64 port isn't Diablo and this was introduced into that code base.
UseMemBar is not available in the ports version of jdk15 and is not
necessary.  It is only for the binary Diablo version which is only
available for i386 at the moment.