[Bug 65761] HD 7970M Hybrid (original) (raw)
[Bug 65761] HD 7970M Hybrid - hangs and errors and rmmod causes crash
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Thu Feb 13 04:12:27 PST 2014
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https://bugzilla.kernel.org/show_bug.cgi?id=65761
--- Comment #43 from Christoph Haag <haagch.christoph at googlemail.com> --- But it silently breaks opencl.
Before the patch:
opencl-example (git)-[master] % sudo ./hello_world ./hello_world: /usr/lib/libOpenCL.so.1: no version information available (required by ./hello_world) There are 1 platforms. There are 1 GPU devices. clCreateContext() succeeded. clCreateCommandQueue() succeeded. clCreateProgramWithSource() suceeded. clBuildProgram() suceeded. clCreateKernel() suceeded. clCreateBuffer() succeeded. clSetKernelArg() succeeded. clEnqueueNDRangeKernel() suceeded. clFinish() succeeded. clEnqueueReadBuffer() suceeded. pi = 3.141590
After the patch:
opencl-example (git)-[master] % sudo ./hello_world ./hello_world: /usr/lib/libOpenCL.so.1: no version information available (required by ./hello_world) There are 1 platforms. There are 1 GPU devices. clCreateContext() succeeded. clCreateCommandQueue() succeeded. clCreateProgramWithSource() suceeded. clBuildProgram() suceeded. clCreateKernel() suceeded. clCreateBuffer() succeeded. clSetKernelArg() succeeded. clEnqueueNDRangeKernel() suceeded. clFinish() succeeded. clEnqueueReadBuffer() suceeded. pi = -nan
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