[Paraview] HW acceleration in client/server mode

[Alain SENOT]

Thanks Sean,

The DISPLAY variable was not read in ~/.bashrc because this file began 
with a line
telling to do nothing if the shell was not run interactively.

As mpich uses rsh, a not interactive shell, the rest of the file was not 
read, and the DISPLAY variable not set.

Just comment the line and everything works fine.

Alain Senot


>Message: 5
>Date: Thu, 06 Jul 2006 08:54:56 -0500
>From: "Sean Ziegeler, Contractor" <seanzig.ctr at navo.hpc.mil>
>Subject: Re: [Paraview] HW acceleration in client/server mode
>To: paraview at paraview.org
>Message-ID: <1152194096.16261.127.camel at infinity.navo.hpc.mil>
>Content-Type: text/plain
>
>You should check to be sure that you do indeed have DISPLAY set to :0.0
>on each node and that you have authority for the X-Servers.  It sounds
>like your MPI configuration uses rsh to execute its processes, so to
>test this for some node, do the following:
>rsh somenode xlogo
>
>If DISPLAY really is :0.0, then the xlogo should appear on the display
>for that node (I'm assuming you have some way of verifying that node's
>video output). 
>
>If you get a "Can't open display: " (with no display value after the
>color) error, then DISPLAY is not actually getting set.  You'll have to
>be sure it is set in the appropriate .login/profile/cshrc/bashrc/etc for
>your shell, or you can pass environment variables on the mpirun command
>line.
>
>If you get a "connection to :0.0 refused by server" error, then you
>don't have authority for the X-Server.  The quick fix is running "xhost
>+" or "xhost +localhost" from the console of each node.  Or you can use
>xauth to gather the X-Authority data from each node (much more involved,
>but also more secure).
>
>-Sean
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