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xps/15-7590: don't enable unfree firmware by default

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Also don't set nixpkgs.pkgs. Instead just add an overlay.
This commit is contained in:
Jörg Thalheim 2020-02-09 08:40:38 +00:00
parent 2ab4e61b32
commit 6587634ad8
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GPG key ID: 003F2096411B5F92
2 changed files with 18 additions and 19 deletions
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4
dell/xps/15-7590/README.wiki
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@ -24,7 +24,9 @@ These settings are needed both for booting the final install, and installer itse
=== Wifi ===
~~Wifi does not work with kernels older than 5.1 (firmware not present) or newer~~ (https://bbs.archlinux.org/viewtopic.php?id=247705)
Update: The 48.ucode causes the Killer wifi card to crash. The iwlfwifi-cc-a0-46.ucode works perfectly. default.nix contains an overlay that removes the offending ucode from the linux-firmware bundle.
Update: The 48.ucode causes the Killer wifi card to crash. The iwlfwifi-cc-a0-46.ucode works perfectly.
default.nix contains an overlay that removes the offending ucode from the linux-firmware bundle.
To use it one also needs to enable unfree firmware in their own configuration (<code>hardware.enableRedistributableFirmware = true;</code>)
```
# Use the systemd-boot EFI boot loader.

33
dell/xps/15-7590/default.nix
View file

@ -18,22 +18,19 @@
# The 48.ucode causes the Killer wifi card to crash.
# The iwlfwifi-cc-a0-46.ucode works perfectly
nixpkgs.pkgs = import <nixpkgs> {
config.allowUnfree = true;
overlays = [
(self: super: {
firmwareLinuxNonfree = super.firmwareLinuxNonfree.overrideAttrs (old: {
src = super.fetchgit{
url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
rev = "bf13a71b18af229b4c900b321ef1f8443028ded8";
sha256 = "1dcaqdqyffxiadx420pg20157wqidz0c0ca5mrgyfxgrbh6a4mdj";
};
postInstall = ''
rm $out/lib/firmware/iwlwifi-cc-a0-48.ucode
'';
outputHash = "0dq48i1cr8f0qx3nyq50l9w9915vhgpwmwiw3b4yhisbc3afyay4";
});
})
];
};
nixpkgs.overlays = [
(self: super: {
firmwareLinuxNonfree = super.firmwareLinuxNonfree.overrideAttrs (old: {
src = super.fetchgit{
url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git";
rev = "bf13a71b18af229b4c900b321ef1f8443028ded8";
sha256 = "1dcaqdqyffxiadx420pg20157wqidz0c0ca5mrgyfxgrbh6a4mdj";
};
postInstall = ''
rm $out/lib/firmware/iwlwifi-cc-a0-48.ucode
'';
outputHash = "0dq48i1cr8f0qx3nyq50l9w9915vhgpwmwiw3b4yhisbc3afyay4";
});
})
];
}