From 08f2a072ba466ea33cac060c3287c14d9ddff012 Mon Sep 17 00:00:00 2001
From: Gregory Bednov <bednov@mirea.ru>
Date: Fri, 30 Jan 2026 17:05:01 +0300
Subject: [PATCH] 	modified:   configuration.nix

---
 configuration.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/configuration.nix b/configuration.nix
index fbd3034..404a1a7 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -18,6 +18,12 @@ let
         ${pkgs.pciutils}/bin/lspci | ${pkgs.busybox}/bin/grep NVIDIA | ${pkgs.busybox}/bin/grep VGA > $out || true
       ''
     )) != "";
+   isAdata = # ADATA is a famous cheap troubleful NVMe controllers
+    (builtins.readFile (
+      pkgs.runCommandLocal "isAdata" { } ''
+        ${pkgs.pciutils}/bin/lspci | ${pkgs.busybox}/bin/grep ADATA | ${pkgs.busybox}/bin/grep -i NVMe > $out || true
+      ''
+    )) != "";
 in
 {
   users.users.student = {
@@ -92,7 +98,11 @@ in
     open = false;
     nvidiaSettings = false;
   };
-  boot.kernelParams = if isNvidia then [ "nvidia-drm.modeset=1" ] else [ ];
+  services.udev.extraRules = if isAdata then ''
+    ACTION=="add|change",KERNEL=="nvme[0-9]", ATTR{queue/scheduler}="none"
+  '' else "";
+  boot.kernelParams = lib.optionals isNvidia [ "nvidia-drm.modeset=1" ]
+                   ++ lib.optionals  isAdata [ "nvme_core.default_ps_max_latency_us=0" "nvme_core.io_timeout=4294967295" ];
   boot.blacklistedKernelModules = if isNvidia then [ "nouveau" ] else [ ];
   boot.extraModprobeConfig =
     if isNvidia then