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Error ERROR: clGetDeviceIDs() -1 - Printable Version

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Error ERROR: clGetDeviceIDs() -1 - Siwon - 04-29-2016

I put back in my Radeon 6950 after removing my 980 and uninstalling nVidia drivers, I installed the new Radeon Crimson Edition software and drivers and now I'm getting the error in oclhashcat64:

Code:
Generating bitmap tables with 16 bits...

ERROR: clGetDeviceIDs() -1



RE: Error ERROR: clGetDeviceIDs() -1 - epixoip - 04-29-2016

-1 is CL_DEVICE_NOT_FOUND so you probably didn't configure the driver properly. Have you tried regenerating xorg.conf from amdconfig?


RE: Error ERROR: clGetDeviceIDs() -1 - Siwon - 04-29-2016

ok I rolled back my drivers from a 2016 version to 2015 and it's working now, this is for Windows 10