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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/#cuda57 Servers

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27 Aug 2025
@hexa:lossy.networkhexabut yeah, that version is outdated02:21:14
@hexa:lossy.networkhexawhy newer versions wouldn't work with a newer setuptools but older versions do is beyond me 🙂 02:21:31
@apyh:matrix.orgapyhyeah no i don't think torch 2.7.1 *should* build with newer setuptools..02:57:01
@apyh:matrix.orgapyhoh, i see, 2.7 doesn't have a max version on setuptools (https://github.com/pytorch/pytorch/blob/release/2.7/pyproject.toml) but 2.8 does (https://github.com/pytorch/pytorch/blob/release/2.8/pyproject.toml)02:58:29
@apyh:matrix.orgapyhig however it's built in nixpkgs can ignore that constraint since it somehow will still run setup.py02:58:57
@hexa:lossy.networkhexa they're pinning to a version with distutils exposed, we can just provide distutils 🤷 03:25:52
@hexa:lossy.networkhexa * they're apparently pinning to a version with distutils exposed, we can just provide distutils 🤷 03:26:05
@apyh:matrix.orgapyhI'm doing all this because i really need a 2.9 nightly build but i get segfaults when doing multi-gpu NCCL stuff 😭07:35:38
@bot-wxt1221:matrix.orgBot_wxt1221 joined the room.08:45:43
@bot-wxt1221:matrix.orgBot_wxt1221Redacted or Malformed Event08:46:05
@glepage:matrix.orgGaétan Lepage

I'm having issues with updating torch to 2.8.0
https://github.com/NixOS/nixpkgs/pull/431973

ERROR Missing dependencies:
        setuptools<80.0,>=62.3.0

And I was not able to find any mentions of this constraint in the code base...

08:46:49
@bot-wxt1221:matrix.orgBot_wxt1221Could we build onnxruntime related packages?08:48:29
@glepage:matrix.orgGaétan LepageAre they currently broken?08:49:30
@glepage:matrix.orgGaétan Lepage I opened an update PR: https://github.com/NixOS/nixpkgs/pull/437307 08:49:40
@bot-wxt1221:matrix.orgBot_wxt1221No08:49:41
@bot-wxt1221:matrix.orgBot_wxt1221They are just mass cuda building08:49:51
@bot-wxt1221:matrix.orgBot_wxt1221like firefox and thunderbiar08:49:56
@bot-wxt1221:matrix.orgBot_wxt1221 * 08:50:00
@bot-wxt1221:matrix.orgBot_wxt1221 * 08:50:58
@bot-wxt1221:matrix.orgBot_wxt1221At least firefox could be considerd08:51:12
@bot-wxt1221:matrix.orgBot_wxt1221 * 08:51:15
@bot-wxt1221:matrix.orgBot_wxt1221Oh so is firefox with cudaSupport break now?08:52:06
@bot-wxt1221:matrix.orgBot_wxt122108:52:26
@glepage:matrix.orgGaétan LepageOh ok, you just have to wait for hydra to catch up. We can't do much more.08:52:29
@bot-wxt1221:matrix.orgBot_wxt1221Oh but firefox currently is not in the cuda hydra job08:55:59
@glepage:matrix.orgGaétan Lepage Is firefox affected by cudaSupport = true? I have it enabled on my system and never had to recompile firefox... 08:58:34
@bot-wxt1221:matrix.orgBot_wxt1221I believe it isn't before08:59:25
@bot-wxt1221:matrix.orgBot_wxt1221But it did on nixpkgs-unstable now08:59:35
@bot-wxt1221:matrix.orgBot_wxt1221on rev 18dd725c29603f582cf1900e0d25f9f1063dbf1108:59:51
@bot-wxt1221:matrix.orgBot_wxt1221It's because onnxruntime.09:00:02

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