enable NixOS installer for powerpc64le #192672
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This was referenced Sep 26, 2022
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Rebased. |
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10.rebuild-darwin: 0
10.rebuild-linux: 1-10
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6.topic: pantheon
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Rebased past the recent manual-building glitch, dropped the hacky workaround for that. |
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All the dependencies of this PR have merged; Still builds and boots; good to go. |
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This builds on top of nixpkgs mainline 00d8347 with the following two PRs cherry-picked: - #192670 - #192668 using the following command: ``` nix build -f nixos -L \ -I nixos-config=nixos/modules/installer/sd-card/sd-image-powerpc64le.nix \ config.system.build.sdImage ``` I was able to successfully boot the image, although it boots to a login prompt rather than a shell, and won't accept the empty password for `root`. I guess I'll have to figure out why that is. To boot the image: `zstd`-decompress the it, mount it, and use `kexec`: ``` cd boot/nixos kexec -l \ *-vmlinux \ --initrd *-initrd \ --dt-no-old-root \ --command-line="$(grep APPEND ../extlinux/extlinux.conf | sed 's_^ *APPEND *__')" ``` The machine I used for testing has only one storage device which is completely allocated to LVM. It appears that the NixOS ISO loader doesn't look for partition tables within LVM volumes. To work aroundn this, I had to extract the `ext4` image within the partition table within the `sd-card` image and put that in its own LVM volume. This likely won't be an obstacle for users who write the image to a USB stick or similar.
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It boots! And
petitboot(the bootloader) even recognizes the syslinux table, sonixos-rebuild switch -pshould work.Screenshots are taken from the machine running
minicom, connected to the serial console; all of my PowerPC machines are headless at the moment.To get the results above, download a statically built
nixfor powerpc64le and do the following:I built from nixpkgs mainline at 3ad7b8a, but it should work at any commit after that.
Things done