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Fix crash issue on latest nvidia windows drivers #1843

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Feb 19, 2019
Merged

Fix crash issue on latest nvidia windows drivers #1843

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22 changes: 14 additions & 8 deletions libhwmon/wrapnvml.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -179,19 +179,25 @@ wrap_nvml_handle* wrap_nvml_create()
#if ETH_ETHASHCL
// Get and count OpenCL devices.
std::vector<cl::Platform> platforms;
cl::Platform::get(&platforms);
std::vector<cl::Device> platdevs;
for (unsigned p = 0; p < platforms.size(); p++)
try
{
std::string platformName = platforms[p].getInfo<CL_PLATFORM_NAME>();
if (platformName == "NVIDIA CUDA")
cl::Platform::get(&platforms);
for (unsigned p = 0; p < platforms.size(); p++)
{
platforms[p].getDevices(CL_DEVICE_TYPE_GPU | CL_DEVICE_TYPE_ACCELERATOR, &platdevs);
nvmlh->opencl_gpucount = platdevs.size();
break;
std::string platformName = platforms[p].getInfo<CL_PLATFORM_NAME>();
if (platformName == "NVIDIA CUDA")
{
platforms[p].getDevices(CL_DEVICE_TYPE_GPU | CL_DEVICE_TYPE_ACCELERATOR, &platdevs);
nvmlh->opencl_gpucount = platdevs.size();
break;
}
}
}

catch (cl::Error)
{
}

nvmlh->opencl_nvml_device_id = (int*)calloc(nvmlh->opencl_gpucount, sizeof(int));

// Map NVML to opencl devices
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