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Common Errors and Solutions

Type of error Console Output Cause Solution
cannot open shared object file error while loading shared libraries: libOpenCL.so.1: cannot open shared object file: No such file or directory LD_LIBRARY_PATH has not been set to the location of libOpenCL.so.1 Set this variable in the command line to the directory where libOpenCL.so.1 has been placed using for example: export LD_LIBRARY_PATH=/path/to/libOpenCL
-204 error code Command list invocation timeout: -204 The CVEngine driver has timed out It is likely the board is in an unstable state, reboot the board before running any further applications. Contact Codeplay support with an example of how to reproduce the issue.
cmem0 error cannot open /dev/cmem0
Failed to start driver
Segmentation fault (core dumped)
It is likely the CVEngine drivers are missing Check how the Yocto image is being built. Use the provided build.sh script to check the drivers are being included correctly
cmemdrv boot args Segfault The Renesas driver is unable to allocate memory cmemdrv.bsize must be set to 0x10000000 in the boot command for H3
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    ComputeCpp enables developers to integrate parallel computing into applications using SYCL and accelerate code on a wide range of OpenCL devices such as GPUs.

    ComputeSuite for R-Car enables developers to accelerate their applications on a wide range of Renesas R-Car based hardware such as the H3 and V3M, using widely supported open standards such as Khronos SYCL and OpenCL.

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