51 lines
2.4 KiB
Nix
51 lines
2.4 KiB
Nix
{ lib, pkgs, ... }:
|
|
{
|
|
boot.initrd.supportedFilesystems = [ "ext4" "btrfs" "ext2" "ext3" "vfat" ];
|
|
# useful emergency utils
|
|
boot.initrd.extraUtilsCommands = ''
|
|
copy_bin_and_libs ${pkgs.btrfs-progs}/bin/btrfstune
|
|
copy_bin_and_libs ${pkgs.util-linux}/bin/{cfdisk,lsblk,lscpu}
|
|
copy_bin_and_libs ${pkgs.gptfdisk}/bin/{cgdisk,gdisk}
|
|
copy_bin_and_libs ${pkgs.smartmontools}/bin/smartctl
|
|
copy_bin_and_libs ${pkgs.e2fsprogs}/bin/resize2fs
|
|
'' + lib.optionalString pkgs.stdenv.hostPlatform.isx86_64 ''
|
|
copy_bin_and_libs ${pkgs.nvme-cli}/bin/nvme # doesn't cross compile
|
|
'';
|
|
boot.kernelParams = [
|
|
"boot.shell_on_fail"
|
|
#v experimental full pre-emption for hopefully better call/audio latency on moby.
|
|
# also toggleable at runtime via /sys/kernel/debug/sched/preempt
|
|
# defaults to preempt=voluntary
|
|
# "preempt=full"
|
|
];
|
|
# other kernelParams:
|
|
# "boot.trace"
|
|
# "systemd.log_level=debug"
|
|
# "systemd.log_target=console"
|
|
|
|
# moby has to run recent kernels (defined elsewhere).
|
|
# meanwhile, kernel variation plays some minor role in things like sandboxing (landlock) and capabilities.
|
|
# simpler to keep near the latest kernel on all devices,
|
|
# and also makes certain that any weird system-level bugs i see aren't likely to be stale kernel bugs.
|
|
# servo needs zfs though, which doesn't support every kernel.
|
|
boot.kernelPackages = lib.mkDefault pkgs.zfs.latestCompatibleLinuxPackages;
|
|
|
|
# hack in the `boot.shell_on_fail` arg since that doesn't always seem to work.
|
|
boot.initrd.preFailCommands = "allowShell=1";
|
|
|
|
# default: 4 (warn). 7 is debug
|
|
boot.consoleLogLevel = 7;
|
|
|
|
boot.loader.grub.enable = lib.mkDefault false;
|
|
boot.loader.generic-extlinux-compatible.enable = lib.mkDefault true;
|
|
|
|
hardware.enableAllFirmware = true; # firmware with licenses that don't allow for redistribution. fuck lawyers, fuck IP, give me the goddamn firmware.
|
|
# hardware.enableRedistributableFirmware = true; # proprietary but free-to-distribute firmware (extraneous to `enableAllFirmware` option)
|
|
|
|
# default is 252274, which is too low particularly for servo.
|
|
# manifests as spurious "No space left on device" when trying to install watches,
|
|
# e.g. in dyn-dns by `systemctl start dyn-dns-watcher.path`.
|
|
# see: <https://askubuntu.com/questions/828779/failed-to-add-run-systemd-ask-password-to-directory-watch-no-space-left-on-dev>
|
|
boot.kernel.sysctl."fs.inotify.max_user_watches" = 1048576;
|
|
}
|