1) Message boards : Number crunching : Intel GPU error (Message 149) Posted 2 Jul 2020 by Coleslaw Post: I can confirm that all of my Intel OpenCL 1.2's are indeed failing while my one 2.0 device is succeeding. As mentioned above, nVidia devices seem to be running fine with OpenCL 1.2 as I have even tested on GTX 660's.