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Thread: what is CL_INVALID_KERNEL ?

  1. #1
    Junior Member
    Join Date
    Dec 2012
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    what is CL_INVALID_KERNEL ?

    Hi,
    I am getting error -48 which is CL_INVALID_KERNEL after a call to clEnqueueNDRangeKernel. I went to the documentation to find out what this means and am told "kernel is not a valid kernel object." which is basically a tautology to me? Could anyone help me begin to work out what the reasons might be?

    Interestingly, if I compile on my Intel CPU the kernel runs fine. I only get this error running on my Nvidia GPU, which also returns Segmentation fault (core dumped).

    Thanks.

  2. #2

    Re: what is CL_INVALID_KERNEL ?

    Did you check for an error return from clCreateKernel? Perhaps the kernel was not successfully created.

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