nvidia: fix $ substitution in udev rules

This fixes a harmless error from systemd-udevd that looks like:

  Dec 23 15:35:23 dellbook systemd-udevd[696]:
  /nix/store/iixya3ni5whybpq9zz1h7f4pyw7nhd19-udev-rules/99-local.rules:25
  Invalid value "..." for RUN (char 101: invalid substitution type),
  ignoring, but please fix it.

Using $$ fixes it using the escaping documented at https://www.freedesktop.org/software/systemd/man/udev.html.
This commit is contained in:
Matthew Bauer 2019-12-26 12:52:03 -05:00
parent 5858d7229a
commit 6689a385d1

View file

@ -197,10 +197,10 @@ in
# Create /dev/nvidia-uvm when the nvidia-uvm module is loaded. # Create /dev/nvidia-uvm when the nvidia-uvm module is loaded.
services.udev.extraRules = services.udev.extraRules =
'' ''
KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidiactl c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 255'" KERNEL=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidiactl c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 255'"
KERNEL=="nvidia_modeset", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-modeset c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 254'" KERNEL=="nvidia_modeset", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-modeset c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) 254'"
KERNEL=="card*", SUBSYSTEM=="drm", DRIVERS=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia%n c $(grep nvidia-frontend /proc/devices | cut -d \ -f 1) %n'" KERNEL=="card*", SUBSYSTEM=="drm", DRIVERS=="nvidia", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia%n c $$(grep nvidia-frontend /proc/devices | cut -d \ -f 1) %n'"
KERNEL=="nvidia_uvm", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0'" KERNEL=="nvidia_uvm", RUN+="${pkgs.runtimeShell} -c 'mknod -m 666 /dev/nvidia-uvm c $$(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0'"
''; '';
boot.blacklistedKernelModules = [ "nouveau" "nvidiafb" ]; boot.blacklistedKernelModules = [ "nouveau" "nvidiafb" ];