Date: Sun, 14 Jul 2013 23:13:20 -0700 From: Jeremi Gosney <epixoip@...dshell.nl> To: john-dev@...ts.openwall.com Subject: Re: AMD on Linux On 7/14/2013 11:05 PM, marcus.desto wrote: > Hi, > > I am running a AMD Radeon GPU (Cypress) on Linux with installed AMD > SDK for OpenCL (latest version). > Now, when I am not logged in via GDM (when main X server is not > running), there is no AMD GPU available, so all the computation will > be done by CPU. When I am logged in via GDM (the main x server is > running), the GPUs are available. So, Using SSH on the AMD GPU host is > only possible, when someone is logged in into the system. > Is there a possibility to run opencl stuff without the xserver running? > > Thanks, > Marcus Xorg needs to be running & you need xauthority. So you can have GDM auto-login to your user, and then run ''export DISPLAY=:0'' when you login via ssh to run OpenCL apps. Or you can use xhost(1) to control which users on your system may run OpenCL apps. You may want to refer to my guide on the hashcat wiki: http://hashcat.net/wiki/doku.php?id=linux_server_howto - epixoip.
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