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CUDA packages maintenance and support in nixpkgs | https://github.com/orgs/NixOS/projects/27/ | https://nixos.org/manual/nixpkgs/unstable/#cuda64 Servers

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24 Feb 2026
@glepage:matrix.orgGaétan LepageRedacted or Malformed Event23:20:03
@glepage:matrix.orgGaétan Lepage

🔥 PyTorch 2.10.0 🔥

Changelog: https://github.com/pytorch/pytorch/releases/tag/v2.10.0
PR: https://github.com/NixOS/nixpkgs/pull/484881
PR tracker: https://nixpkgs-tracker.ocfox.me/?pr=484881

This one took quite a while to bring to nixpkgs, and I'm glad to have finally gotten it merged!

Some basic testing has been done (basic builds, cudaSupport builds, some gpuChecks).
However, exhaustively building and testing all the downstream dependencies isn't feasible (at least without more time and hardware).
-> Please, don't hesitate to report any breakage in this channel, and feel free to ping me as well.

Thanks a lot to everyone who helped, and more generally to everyone else for your patience.

23:30:01
@glepage:matrix.orgGaétan Lepage *

🔥 PyTorch 2.10.0 (+ triton 3.6.0) 🔥


Changelog: https://github.com/pytorch/pytorch/releases/tag/v2.10.0
PR: https://github.com/NixOS/nixpkgs/pull/484881
PR tracker: https://nixpkgs-tracker.ocfox.me/?pr=484881


This one took quite a while to bring to nixpkgs, and I'm glad to have finally gotten it merged!

Some basic testing has been done (basic builds, cudaSupport builds, some gpuChecks).
However, exhaustively building and testing all the downstream dependencies isn't feasible (at least without more time and hardware).
-> Please, don't hesitate to report any breakage in this channel, and feel free to ping me as well.

Thanks a lot to everyone who helped, and more generally to everyone else for your patience.

23:32:32
25 Feb 2026
@hugo:okeso.euHugo

Related to PyTorch but not to 2.10, it looks like my CI cannot build it since yesterday morning (it was still python3.13-torch-2.9.1) 🤔
Torch 2.10.0 does not solve that issue.

I build with:

      run: "cd nixpkgs-master\n  nix-build -I nixpkgs=. --arg config '{ allowUnfree\
        \ = true; cudaSupport = true; openclSupport = true; rocmSupport = false;}'\
        \ --option allow-import-from-derivation false --max-jobs 1 -A python313Packages.torch"

Here is the last part of my build log (after 3h12 of build).
https://pad.lassul.us/s/xWhnOmbeo2#

Any idea what could be the cause?

15:20:41
@hexa:lossy.networkhexalog looks incomplete15:21:09
@hugo:okeso.euHugoHedgeDoc does not allow me to copy the complete log15:21:26
@hexa:lossy.networkhexabpa.st15:21:32
@hexa:lossy.networkhexa* https://bpa.st15:21:35
@hugo:okeso.euHugohttps://bpa.st/5CQA15:22:04

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