On Tue, 2017-09-26 at 13:40 -0400, m.roth@xxxxxxxxx wrote:
> This is really frustrating. I've got a server with two K20c Tesla cards. I
> need to use the proprietary drivers to use the CUDA toolkit. Btw, I had no
> trouble at all with building for CentOS 7.3
>
> I have what NVidia claims is the correct driver package, a 340 series. It
> appears to build, but then fails to load. The only error I see is "no such
> device", which makes no sense to me, esp. since it says nothing whatever
> else.
>
> I've gone through the install log, and there are a bunch of Note:, and
> warnings, but the later I think are all about comparing signed and
> unsigned integers.
>
> And lsmod shows no nvidia drivers registered, but the logs claims that
> Error: Driver 'nvidia' is already registered, aborting...
>
Have you tried installing the toolkit from nVidia's own repository:
https://developer.nvidia.com/cuda-downloads?target_os=Linux&target_arch=x86_64&target_distro=CentOS&target_version=7&target_type=rpmnetwork
That includes the kernel drivers as far as I can remember.
P.
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