From c4d3afef06956e9748fb09309240b5efe4d6b39c Mon Sep 17 00:00:00 2001
From: Caleb <caleb.isaac.bowman@gmail.com>
Date: Wed, 8 Nov 2023 07:34:26 -0500
Subject: [PATCH] wyoming-faster-whisper fix CUDA devices not being detected.
 (#266167)

This change enables CUDA support by allowing access to /dev/nvidia0.
---
 nixos/modules/services/audio/wyoming/faster-whisper.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/audio/wyoming/faster-whisper.nix b/nixos/modules/services/audio/wyoming/faster-whisper.nix
index f156e8314a95..2d56acdc1b4c 100644
--- a/nixos/modules/services/audio/wyoming/faster-whisper.nix
+++ b/nixos/modules/services/audio/wyoming/faster-whisper.nix
@@ -146,6 +146,8 @@ in
           CapabilityBoundingSet = "";
           DeviceAllow = if builtins.elem options.device [ "cuda" "auto" ] then [
             # https://docs.nvidia.com/dgx/pdf/dgx-os-5-user-guide.pdf
+            # CUDA not working? Check DeviceAllow and PrivateDevices first!
+            "/dev/nvidia0"
             "/dev/nvidia1"
             "/dev/nvidia2"
             "/dev/nvidia3"
@@ -160,7 +162,6 @@ in
           DevicePolicy = "closed";
           LockPersonality = true;
           MemoryDenyWriteExecute = true;
-          PrivateDevices = true;
           PrivateUsers = true;
           ProtectHome = true;
           ProtectHostname = true;