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Thread: Old nVidia + hashcat (Kali linux) + CL_DEVICE_LOCAL_MEM_SIZE

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    Old nVidia + hashcat (Kali linux) + CL_DEVICE_LOCAL_MEM_SIZE

    Hi 2all. Sorry if i am off topic. Looked over the forum rules - did not find any restrictions. Did not find any answers over Web. Please help.

    I am trying to run hashcat (password recovery utility using opencl) on an old laptop (Acer Aspire 5920G) with nVidia GeForce 9500m GS 512Mb under Kali (Debian) Linux. I've installed nvidia-legacy-34xx drivers and opencl-icd.

    The hashcat do not work, saying that local memory is too small: clGetDeviceInfo(CL_DEVICE_LOCAL_MEM_SIZE) code: if (device_local_mem_size < 3276{}

    As I understood this is how much memory can be allocated for each compute unit. But I did not find any such characteristic in datasheets for the GPU or its driver. So here is the questions:
    1. Is it hardware or software defined?
    2. Does it seem to be true that 9500 has this memory size - less then 32K ?
    3. Can it be overriden by OpenCL, CUDA ot driver settings? (using different type of memory or different amount of compute units (512 now))
    4. In which file of source code of opencl for debian there is clGetDeviceInfo()

    Thank you
    Last edited by shidary; 01-08-2019 at 11:55 AM.

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