Darktable doesn't recognize Intel Graphics 620's OpenCL (beignet) in Fedora 27

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I am writing this question since I had no problem in years of using OpenCL with nVidia graphics in fedora and testing Darktable with it. But now in Fedora 27 I am trying to use Darktable with Intel Graphics opencl capability but when I do darktable -d opencl I get this response as it doesn't recognize:



Beignet: self-test failed: (3, 7, 5) + (5, 7, 3) returned (6, 7, 5)


and when I do clifo it winds three devices. I thought it should find only two, my CPU and my GPU. My CPU is Intel Core i7-7500U and that's it.



I have installed these packages: ocl-icd, opencl-filesystem, opencl-utils-devel and beignet. I think these cover all the necessary dependencies.



The question is: Is it possible to use Darktable's opencl capability with this GPU or not? and how can I do it using beignet and Fedora 27?




fedora intel-graphics




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    up vote
    4
    down vote

    favorite
    1












    I am writing this question since I had no problem in years of using OpenCL with nVidia graphics in fedora and testing Darktable with it. But now in Fedora 27 I am trying to use Darktable with Intel Graphics opencl capability but when I do darktable -d opencl I get this response as it doesn't recognize:



    Beignet: self-test failed: (3, 7, 5) + (5, 7, 3) returned (6, 7, 5)


    and when I do clifo it winds three devices. I thought it should find only two, my CPU and my GPU. My CPU is Intel Core i7-7500U and that's it.



    I have installed these packages: ocl-icd, opencl-filesystem, opencl-utils-devel and beignet. I think these cover all the necessary dependencies.



    The question is: Is it possible to use Darktable's opencl capability with this GPU or not? and how can I do it using beignet and Fedora 27?




    fedora intel-graphics




    share|improve this question






















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      I am writing this question since I had no problem in years of using OpenCL with nVidia graphics in fedora and testing Darktable with it. But now in Fedora 27 I am trying to use Darktable with Intel Graphics opencl capability but when I do darktable -d opencl I get this response as it doesn't recognize:



      Beignet: self-test failed: (3, 7, 5) + (5, 7, 3) returned (6, 7, 5)


      and when I do clifo it winds three devices. I thought it should find only two, my CPU and my GPU. My CPU is Intel Core i7-7500U and that's it.



      I have installed these packages: ocl-icd, opencl-filesystem, opencl-utils-devel and beignet. I think these cover all the necessary dependencies.



      The question is: Is it possible to use Darktable's opencl capability with this GPU or not? and how can I do it using beignet and Fedora 27?




      fedora intel-graphics




      share|improve this question












      I am writing this question since I had no problem in years of using OpenCL with nVidia graphics in fedora and testing Darktable with it. But now in Fedora 27 I am trying to use Darktable with Intel Graphics opencl capability but when I do darktable -d opencl I get this response as it doesn't recognize:



      Beignet: self-test failed: (3, 7, 5) + (5, 7, 3) returned (6, 7, 5)


      and when I do clifo it winds three devices. I thought it should find only two, my CPU and my GPU. My CPU is Intel Core i7-7500U and that's it.



      I have installed these packages: ocl-icd, opencl-filesystem, opencl-utils-devel and beignet. I think these cover all the necessary dependencies.



      The question is: Is it possible to use Darktable's opencl capability with this GPU or not? and how can I do it using beignet and Fedora 27?





      fedora intel-graphics





      share|improve this question











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      asked Jan 3 at 22:32









      M.Rez

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          This is a known bug with __local memory on beignet, see if this workaround works for you:



          export OCL_IGNORE_SELF_TEST=1





          share|improve this answer




















          • Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
            – M.Rez
            Jan 25 at 16:16











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          up vote
          0
          down vote













          This is a known bug with __local memory on beignet, see if this workaround works for you:



          export OCL_IGNORE_SELF_TEST=1





          share|improve this answer




















          • Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
            – M.Rez
            Jan 25 at 16:16















          up vote
          0
          down vote













          This is a known bug with __local memory on beignet, see if this workaround works for you:



          export OCL_IGNORE_SELF_TEST=1





          share|improve this answer




















          • Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
            – M.Rez
            Jan 25 at 16:16













          up vote
          0
          down vote










          up vote
          0
          down vote









          This is a known bug with __local memory on beignet, see if this workaround works for you:



          export OCL_IGNORE_SELF_TEST=1





          share|improve this answer












          This is a known bug with __local memory on beignet, see if this workaround works for you:



          export OCL_IGNORE_SELF_TEST=1






          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jan 25 at 12:23









          AoeAoe

          341147




          341147











          • Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
            – M.Rez
            Jan 25 at 16:16

















          • Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
            – M.Rez
            Jan 25 at 16:16
















          Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
          – M.Rez
          Jan 25 at 16:16





          Thanks for the response, but unfortunately It doesn't fix the problem. Although it seems like the solution, I get the response which says: Intel(R) HD Graphics Kabylake ULT GT2' because the driver `OpenCL 2.0 beignet 1.3' is blacklisted.
          – M.Rez
          Jan 25 at 16:16













           

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