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Title: Problem with on-board graphics and 2x HD7590 Post by: zzjopark on May 07, 2013, 11:11:05 AM I was mining litecoin with 2xHD7590 and decided to enable on-board graphics. Then nothing worked. The output from cgminer -n was as follows:
Microsoft Windows [Version 6.1.7601] Copyright (c) 2009 Microsoft Corporation. All rights reserved. C:\Users\Miner One>cgminer-3.0.0-windows\cgminer.exe -n [2013-05-07 20:44:05] CL Platform 0 vendor: Advanced Micro Devices, Inc. [2013-05-07 20:44:05] CL Platform 0 name: AMD Accelerated Parallel Processing [2013-05-07 20:44:05] CL Platform 0 version: OpenCL 1.2 AMD-APP (1124.2) [2013-05-07 20:44:05] Platform 0 devices: 2 [2013-05-07 20:44:05] 0 Tahiti [2013-05-07 20:44:05] 1 Tahiti [2013-05-07 20:44:05] CL Platform 1 vendor: Intel(R) Corporation [2013-05-07 20:44:05] CL Platform 1 name: Intel(R) OpenCL [2013-05-07 20:44:05] CL Platform 1 version: OpenCL 1.1 [2013-05-07 20:44:05] Platform 1 devices: 1 [2013-05-07 20:44:05] 0 Intel(R) HD Graphics [2013-05-07 20:44:05] Failed to ADL_Adapter_ID_Get. Error -1 [2013-05-07 20:44:05] Failed to ADL_Adapter_ID_Get. Error -1 [2013-05-07 20:44:05] ADL found less devices than opencl! [2013-05-07 20:44:05] There is possibly more than one display attached to a GPU [2013-05-07 20:44:05] Use the gpu map feature to reliably map OpenCL to ADL [2013-05-07 20:44:05] WARNING: Number of OpenCL and ADL devices did not match! [2013-05-07 20:44:05] Hardware monitoring may NOT match up with devices! [2013-05-07 20:44:05] 2 GPU devices max detected [2013-05-07 20:44:05] USB all: found 6 devices - listing known devices [2013-05-07 20:44:05] No known USB devices Question: Can I disable platform 1? If not, can anybody suggest a work-around, other than disabling on-board graphics. I have tried various permutations of --gpu-map but nothing works. Any help appreciated. Title: Re: Problem with on-board graphics and 2x HD7590 Post by: sgh858 on May 07, 2013, 11:16:51 AM It's better to disable on-board VGA as even it's working, it can affect mining speed.
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