Fix bug caused by disabled gpu #69
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Many AMD iGPUs are paired with a dGPU, and the BIOS has the option to disable the iGPU. Doing so can fix a variety of software problems related to multi-GPU-incompatible software. When this happens, rocm-smi prints an error message to stderr since the amdgpu driver is not initalized, but returns 0. Checking that there was actually data returned fixes the crash (since amd-smi correctly returns 255) for those with this hardware configuration. Signed-off-by: Owen Hilyard <hilyard.owen@gmail.com>
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Many AMD iGPUs are paired with a dGPU, and the BIOS has the option to disable the iGPU. Doing so can fix a variety of software problems related to multi-GPU-incompatible software. When this happens, rocm-smi prints an error message to stderr since the amdgpu driver is not initalized, but returns 0. Checking that there was actually data returned fixes the crash (since amd-smi correctly returns 255) for those with this hardware configuration.