NVIDIA: Difference between revisions

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This allows you to pin the specific driver version being used in your NixOS installation.

You might want to do this if you are running the newest kernel, as the packaged drivers may fail to build otherwise<ref>https://github.com/NixOS/nixpkgs/issues/429624#issuecomment-3189861599</ref>.

== Troubleshooting ==

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=== Graphical corruption and system crashes on suspend/resume ===

<code>powerManagement.enable = true</code> can sometimes fix this, but is itself unstable and is known to cause suspend issues.

<code>hardware.nvidia.powerManagement.enable = true</code> can also sometimes fix this issue; it is <code>false</code> by default.

{{Note|When the <code>hardware.nvidia.powerManagement.enable</code> option is enabled, the driver saves video memory to <code>/tmp</code> by default. If <code>/tmp</code> is backed by tmpfs (RAM) and the GPU VRAM usage exceeds the available space, the system will not resume and you will see a blank screen instead.

To resolve this, redirect the temporary file to a storage location with sufficient capacity (e.g., <code>/var/tmp</code>) using kernel parameters:

{{file|configuration.nix|nix|<nowiki>

boot.kernelParams = [ "nvidia.NVreg_TemporaryFilePath=/var/tmp" ];

</nowiki>}}

}}

If you have a modern NVIDIA GPU (Turing [https://en.wikipedia.org/wiki/Turing_(microarchitecture)#Products_using_Turing] or later), you may also want to investigate the <code>hardware.nvidia.powerManagement.finegrained</code> option: [https://download.nvidia.com/XFree86/Linux-x86_64/460.73.01/README/dynamicpowermanagement.html]

[https://discourse.nixos.org/t/suspend-resume-cycling-on-system-resume/32322/12 A potential fix] that Interrupts the gnome-shell in time so it’s not trying to access the graphics hardware. <ref>https://discourse.nixos.org/t/suspend-resume-cycling-on-system-resume/32322/12</ref> The entire purpose is to manually "pause" the GNOME Shell process just before the system sleeps and "un-pause" it just after the system wakes up.

<hr>

If you have graphical corruption upon waking from suspend, and the above causes the system to go back to sleep ~20-30 seconds after wakeup, the following may solve both issues:

{{File|3={

# https://discourse.nixos.org/t/black-screen-after-suspend-hibernate-with-nvidia/54341/6

# https://discourse.nixos.org/t/suspend-problem/54033/28

systemd = {

# Uncertain if this is still required or not.

services.systemd-suspend.environment.SYSTEMD_SLEEP_FREEZE_USER_SESSIONS = "false";

services."gnome-suspend" = {

description = "suspend gnome shell";

before = [

"systemd-suspend.service"

"systemd-hibernate.service"

"nvidia-suspend.service"

"nvidia-hibernate.service"

];

wantedBy = [

"systemd-suspend.service"

"systemd-hibernate.service"

];

serviceConfig = {

Type = "oneshot";

ExecStart = ''${pkgs.procps}/bin/pkill -f -STOP ${pkgs.gnome-shell}/bin/gnome-shell'';

};

services."gnome-resume" = {

description = "resume gnome shell";

after = [

"systemd-suspend.service"

"systemd-hibernate.service"

"nvidia-resume.service"

];

wantedBy = [

"systemd-suspend.service"

"systemd-hibernate.service"

];

serviceConfig = {

Type = "oneshot";

ExecStart = ''${pkgs.procps}/bin/pkill -f -CONT ${pkgs.gnome-shell}/bin/gnome-shell'';

};

# https://discourse.nixos.org/t/black-screen-after-suspend-hibernate-with-nvidia/54341/23

hardware.nvidia.powerManagement.enable = true;

}|name=configuration.nix|lang=nix}}

=== Black screen or 'nothing works' on laptops ===

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boot.kernelParams = [ "module_blacklist=amdgpu" ];

</syntaxHighlight>

=== NVIDIA Docker Containers ===

See: [[Docker#NVIDIA Docker Containers]]

== Disabling ==

@@ Line 206: / Line 206: @@
 This allows you to pin the specific driver version being used in your NixOS installation.
+You might want to do this if you are running the newest kernel, as the packaged drivers may fail to build otherwise<ref>https://github.com/NixOS/nixpkgs/issues/429624#issuecomment-3189861599</ref>.
 == Troubleshooting ==
@@ Line 236: / Line 237: @@
 === Graphical corruption and system crashes on suspend/resume ===
 <code>powerManagement.enable = true</code> can sometimes fix this, but is itself unstable and is known to cause suspend issues.
+<code>hardware.nvidia.powerManagement.enable = true</code> can also sometimes fix this issue; it is <code>false</code> by default.
+{{Note|When the <code>hardware.nvidia.powerManagement.enable</code> option is enabled, the driver saves video memory to <code>/tmp</code> by default. If <code>/tmp</code> is backed by tmpfs (RAM) and the GPU VRAM usage exceeds the available space, the system will not resume and you will see a blank screen instead.
+To resolve this, redirect the temporary file to a storage location with sufficient capacity (e.g., <code>/var/tmp</code>) using kernel parameters:
+{{file|configuration.nix|nix|<nowiki>
+boot.kernelParams = [ "nvidia.NVreg_TemporaryFilePath=/var/tmp" ];
+</nowiki>}}
+}}
 If you have a modern NVIDIA GPU (Turing [https://en.wikipedia.org/wiki/Turing_(microarchitecture)#Products_using_Turing] or later), you may also want to investigate the <code>hardware.nvidia.powerManagement.finegrained</code> option: [https://download.nvidia.com/XFree86/Linux-x86_64/460.73.01/README/dynamicpowermanagement.html]
+[https://discourse.nixos.org/t/suspend-resume-cycling-on-system-resume/32322/12 A potential fix] that Interrupts the gnome-shell in time so it’s not trying to access the graphics hardware. <ref>https://discourse.nixos.org/t/suspend-resume-cycling-on-system-resume/32322/12</ref> The entire purpose is to manually "pause" the GNOME Shell process just before the system sleeps and "un-pause" it just after the system wakes up.
+<hr>
+If you have graphical corruption upon waking from suspend, and the above causes the system to go back to sleep ~20-30 seconds after wakeup, the following may solve both issues:
+{{File|3={
+  # https://discourse.nixos.org/t/black-screen-after-suspend-hibernate-with-nvidia/54341/6
+  # https://discourse.nixos.org/t/suspend-problem/54033/28
+  systemd = {
+    # Uncertain if this is still required or not.
+    services.systemd-suspend.environment.SYSTEMD_SLEEP_FREEZE_USER_SESSIONS = "false";
+    services."gnome-suspend" = {
+      description = "suspend gnome shell";
+      before = [
+        "systemd-suspend.service"
+        "systemd-hibernate.service"
+        "nvidia-suspend.service"
+        "nvidia-hibernate.service"
+      ];
+      wantedBy = [
+        "systemd-suspend.service"
+        "systemd-hibernate.service"
+      ];
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = ''${pkgs.procps}/bin/pkill -f -STOP ${pkgs.gnome-shell}/bin/gnome-shell'';
+      };
+    };
+    services."gnome-resume" = {
+      description = "resume gnome shell";
+      after = [
+        "systemd-suspend.service"
+        "systemd-hibernate.service"
+        "nvidia-resume.service"
+      ];
+      wantedBy = [
+        "systemd-suspend.service"
+        "systemd-hibernate.service"
+      ];
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = ''${pkgs.procps}/bin/pkill -f -CONT ${pkgs.gnome-shell}/bin/gnome-shell'';
+      };
+    };
+  };
+  # https://discourse.nixos.org/t/black-screen-after-suspend-hibernate-with-nvidia/54341/23
+  hardware.nvidia.powerManagement.enable = true;
+}|name=configuration.nix|lang=nix}}
 === Black screen or 'nothing works' on laptops ===
@@ Line 248: / Line 311: @@
 boot.kernelParams = [ "module_blacklist=amdgpu" ];
 </syntaxHighlight>
+=== NVIDIA Docker Containers ===
+See: [[Docker#NVIDIA Docker Containers]]
 == Disabling ==