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So my nixos-rebuild fails to build due to the recent error of: https://github.com/NixOS/nixpkgs/issues/74916

I thought I'd give a go at trying to fix this, by referencing a previous commit's package

I added the following in my config (under one of the let statements):

 nixpkgsMyStable = import (builtins.fetchTarball { url = https://github.com/NixOS/nixpkgs/archive/775fb69ed73e7cf6b7d3dd9853a60f40e8efc340.tar.gz; sha256 = "1w068b0ydw4c26mcjiwlzdfqcdk3rrwmfx4hxzgfhfwcz2nmh3if"; }) {}; 

I then replaced:

 boot.kernelPackages = pkgs.linuxPackages_latest; 

with

 boot.kernelPackages = nixpkgsMyStable.pkgs.linuxPackages_latest; 

However this fails with:

sudo nixos-rebuild switch building Nix... building the system configuration... error: assertion failed at /nix/store/0272yl38a4mc20i2a5078m85bldipbjm-source/pkgs/os-specific/linux/prl-tools/default.nix:9:1 (use '--show-trace' to show detailed location information) 

Is this possibly something to do with the newest kernel version? Or something I'm doing wrong in the above config?

1 Answer 1

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Looking at the source code where the assertion fails, newer kernels are not supported by prl-tools:

# Disable for kernels 4.15 and above due to compatibility issues assert kernel != null -> stdenv.lib.versionOlder kernel.version "4.15"; 

So Parallels is probably not compatible with latest kernel.

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