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NixOS CUDA

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CUDA packages maintenance and support in nixpkgs | https://github.com/orgs/NixOS/projects/27/ | https://nixos.org/manual/nixpkgs/unstable/#cuda60 Servers

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10 Apr 2025
@ss:someonex.netSomeoneSerge (matrix works sometimes)Or, maybe, instead of the selection logic we need better isolation. I.e. libcapsule16:49:41
@ss:someonex.netSomeoneSerge (matrix works sometimes)In either case we need to learn to mimic another library's interface. This exists for GL and afaict we (nixos) still don't know whether this actually works. I've no idea if we can do this to libcuda or libcudart, or whether that would be even legal16:51:01
11 Apr 2025
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12 Apr 2025
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13 Apr 2025
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@ereslibre:ereslibre.socialereslibre

Hi everyone! I am looking at a bug we have with CDI (Container Device Interface, for forwarding GPU's to containers): https://github.com/NixOS/nixpkgs/issues/397065

I think the user has a correct configuration (unless there are settings that were not mentioned in the issue), my main question is when using the datacenter driver, why the nvidia-container-toolkit is reporting:

ERRO[0000] failed to generate CDI spec: failed to create device CDI specs: failed to initialize NVML: ERROR_LIBRARY_NOT_FOUND

Do you have any idea on why NVML would not be present in this environment?

11:45:34
@ss:someonex.netSomeoneSerge (matrix works sometimes)

HI! I've a small announcement to make.

I've been failing badly to keep up with the backlog as a maintainer, even though I'm recently able to spend some more time on Nixpkgs&c. Working in occasional 1:1 meetings, otoh, has always felt comparatively productive. We've just had another call with Gaétan Lepage and I find it was nice, so I now want to try the following: https://md.someonex.net/s/9S4E00sIb#

This is not exactly "official", I'm not posting this e.g. on Discourse until I'm more confident, but as such it's an open invitation.

14:52:27
@glepage:matrix.orgGaétan Lepage Indeed, it was great! We were able to finally finish fixint mistral-rs's cuda support! 15:24:02

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