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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/#cuda58 Servers

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27 Aug 2025
@matthewcroughan:defenestrate.itmatthewcroughan changed their display name from matthewcroughan to matthewcroughan @ nix.camp.18:40:56
@lt1379:matrix.orgLuntorch 2.8 looks ready enough to me now, kicking off a big review run.19:31:40
@glepage:matrix.orgGaétan LepageThanks for the help!19:35:31
@lt1379:matrix.orgLunIf someone has time to check this asteroids-filterbanks fix that'd be nice, it's going to show up as a fail in the torch review https://github.com/NixOS/nixpkgs/pull/43696819:36:45
28 Aug 2025
@connorbaker:matrix.orgconnor (he/him) Alright trying to speed run improvements I made in cuda-packages in https://github.com/NixOS/nixpkgs/pull/437723; Bryan Honof it's still a WIP and saxpy doesn't even run (but it does build!), but it's a start 00:25:44
@connorbaker:matrix.orgconnor (he/him) I couldn't run saxpy built off master either; I'm hoping something was weird with my driver so I'm updating and reboot my desktop with a GPU 12:32:34
@connorbaker:matrix.orgconnor (he/him)Oh thank god it works now12:37:12
@connorbaker:matrix.orgconnor (he/him)If I can't debug things without using GDB I'm just not going to support it12:37:37
@sbc64:matrix.orgsbc64 changed their profile picture.14:23:34
@lt1379:matrix.orgLuntorch._inductor.exc.InductorError: FileNotFoundError: [Errno 2] No such file or directory: 'openssl' python312Packages.depyf is failing on the 2.8 bump PR in inductor errors looking for openssl. only 3.12, 3.13 depyf is fine. before the bump both 3.12 and 3.13 worked. 😕16:34:32
@apache8080:matrix.orgapache8080 I have machine where I enable the nvidia drivers and cudatoolkit but I don't see /dev/nvidia-uvm and when I lsmod I don't see the kernel module either 20:20:54
@apache8080:matrix.orgapache8080 * I have a machine where I enable the nvidia drivers and cudatoolkit but I don't see /dev/nvidia-uvm and when I lsmod I don't see the kernel module either 20:35:15
@apache8080:matrix.orgapache8080looks like it gets loaded after I run nvidia-smi20:37:51
@apache8080:matrix.orgapache8080weird20:37:53
@apache8080:matrix.orgapache8080 Guess I can just have it load via the boot.kernelModules 20:43:18
@connorbaker:matrix.orgconnor (he/him)That is odd -- I can say I've never had that problem, though I only ever use headless and this config: https://github.com/ConnorBaker/nixos-configs/blob/19f532114a86099795c21b6b5026cf25a42a4053/modules/nvidia.nix#L15-L2023:32:49
@philiptaron:matrix.orgPhilip Taron (UTC-8)Hey -- who here will I see in 🇨🇭 at NixCon!?23:35:08
@connorbaker:matrix.orgconnor (he/him)I'll be at Nix Con23:52:35
@philiptaron:matrix.orgPhilip Taron (UTC-8)Hell yeah23:53:08
@philiptaron:matrix.orgPhilip Taron (UTC-8) I am planning on having a table with a sign:

**THIS PERSON WANTS TO MERGE YOUR PR**
23:53:35
@philiptaron:matrix.orgPhilip Taron (UTC-8)And then I disappoint people when I get finiicky23:53:45
@philiptaron:matrix.orgPhilip Taron (UTC-8)* And then I disappoint people when I get finicky23:53:48
29 Aug 2025
@youthlic:mozilla.orgyouthlic joined the room.00:54:06
@zeorin:matrix.org@zeorin:matrix.org left the room.07:04:00
@infinisil:matrix.orginfinisilSpoiler: We'll have a wrist band of a specific color you can wear to indicate that you're a Nixpkgs committer!08:36:26
@connorbaker:matrix.orgconnor (he/him)Oh god09:49:48
@connorbaker:matrix.orgconnor (he/him)You would make it easier for people to find us!?09:49:59
@infinisil:matrix.orginfinisilEntirely optional, so you can also be more covert :P10:17:11
@i.me:matrix.org@i.me:matrix.org left the room.14:25:41
@magic_rb:matrix.redalder.org@magic_rb:matrix.redalder.org changed their profile picture.19:27:31

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