From 44a1f74259647917ed880ec9be38effc791e4e7a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Mon, 25 May 2026 04:32:28 +0200
Subject: [PATCH] nixos/music-assistant: allow to access /proc/cpuinfo which is
 required for torch to function

Also to display a warning but that is not that important.
---
 nixos/modules/services/audio/music-assistant.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/audio/music-assistant.nix b/nixos/modules/services/audio/music-assistant.nix
index 8397c85592ba..8be485f1ec76 100644
--- a/nixos/modules/services/audio/music-assistant.nix
+++ b/nixos/modules/services/audio/music-assistant.nix
@@ -173,7 +173,10 @@ in
         # breaks pyopenssl's cffi calls, used in remote access feature
         # not compatible with llvmlite which is required by numba -> librosa
         MemoryDenyWriteExecute = false;
-        ProcSubset = "pid";
+        # required for torch to properly detect the supported engines
+        # allows Music-Assistant to warn, if x86_64-v2 cpu features are missing
+        BindReadOnlyPaths = [ "/proc/cpuinfo" ];
+        ProcSubset = "all";
         ProtectClock = true;
         ProtectControlGroups = true;
         ProtectHome = true;