Module aes_generic not found

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1 
nix-info

system: "x86_64-linux",
multi-user?: yes,
version: nix-env (Nix) 2.31.4,
channels(root): "home-manager-25.11.tar.gz, nixos-25.11",
nixpkgs: /nix/store/nq2kprkhs57f9fn31rwmkwmssrr941z9-nixos-25.11/nixos

Rebuild fails due to missing module aes:

sudo nixos-rebuild switch --no-build-output --show-trace --upgrade-all

building '/nix/store/mrj7f1v2ivyxmwbqyfx63s5a713dbrzy-linux-7.0-modules-shrunk.drv'...
error: Cannot build '/nix/store/mrj7f1v2ivyxmwbqyfx63s5a713dbrzy-linux-7.0-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/3gbbqb8bs1jc1gc73k326w2axz47yiv2-linux-7.0-modules-shrunk
       Last 6 log lines:
       > kernel version is 7.0.0
       > root module: aes
       >   copying dependency: /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0/kernel/arch/x86/crypto/aesni-intel.ko.xz
       >   copying dependency: /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0/kernel/drivers/crypto/padlock-aes.ko.xz
       > root module: aes_generic
       > modprobe: FATAL: Module aes_generic not found in directory /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0
       For full logs, run:
         nix-store -l /nix/store/mrj7f1v2ivyxmwbqyfx63s5a713dbrzy-linux-7.0-modules-shrunk.drv
error: Cannot build '/nix/store/3xzi02hx55lg0lf6xrcywh0ycca3li05-initrd-linux-7.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/6c12xivk4f6k16k4laa79rdcv9pfl6w1-initrd-linux-7.0
error: Cannot build '/nix/store/0h75hndb71y8d030f24wh4f9h11hdvj8-nixos-system-maxiTower-25.11.9418.c7f47036d3df.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/h451kayk3jzpgnb7w41y0s93ifnla1qp-nixos-system-maxiTower-25.11.9418.c7f47036d3df
Command 'nix-build '<nixpkgs/nixos>' --attr config.system.build.toplevel --no-out-link --show-trace --no-build-output' returned non-zero exit status 100.

nix-store -l /nix/store/mrj7f1v2ivyxmwbqyfx63s5a713dbrzy-linux-7.0-modules-shrunk.drv

kernel version is 7.0.0
root module: aes
  copying dependency: /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0/kernel/arch/x86/crypto/aesni-intel.ko.xz
  copying dependency: /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0/kernel/drivers/crypto/padlock-aes.ko.xz
root module: aes_generic
modprobe: FATAL: Module aes_generic not found in directory /nix/store/wa6czixakx46s4babflfgfh2dcl72q0s-linux-7.0-modules/lib/modules/7.0.0

What can I do?

1 Like
2

This has been fixed in this PR:

It should land in the latest channel soon.

You can use Linux Kernel 6.19 as a stopgap.

2 Likes
3

Thanks @magicquark for your quick reply.
I am using kernel 6.19.12.
I will try to be patient hoping that in the coming days the channel will be update.