[CentOS] NVidia, again

Wed Mar 26 15:53:25 UTC 2014
m.roth at 5-cent.us <m.roth at 5-cent.us>

Alexandru Chiscan wrote:
> On 03/26/2014 03:40 PM, m.roth at 5-cent.us wrote:
>>
>> I think you missed that part of my original post: no X. This box has two
>> Tesla GPUs, and my users are using them for heavy duty scientific
>> computing.... And my problem is that neither their programs, nor the
>> utility I use (I *think* it that it seems to be part of the CUDA toolkit
>> -
>> I didn't set that part up) can enumerate them... meaning that they can't
>> see or use the GPUs.
>>
> what is the error?
> For example if I run "CUDA Device Query" (example from cuda toolkit) I get
> the following error if the kernel module is not the version needed for
> the compiled version of cuda program (cuda toolkit 5.5
> and nvidia kernel module 310.19 - installed from nvidia.com)
>
I'm not sure what he's getting, but if I run enum_gpu, I get invalid
device ordinal in enum_gpu.cu at line 23, which seems to be in the code
for that (cuda by example, chapter 3?)
HANDLE_ERROR( cudaGetDeviceCount( &count ) );

    mark

>   #./deviceQuery
> ./deviceQuery Starting...
>
>   CUDA Device Query (Runtime API) version (CUDART static linking)
>
> cudaGetDeviceCount returned 35
> -> CUDA driver version is insufficient for CUDA runtime version
> Result = FAIL
>
>
> --
> Lec
>
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