#nixos-aarch64 on 2021-02-27

2019-09-27 17:31 gchristensen changed the topic of #nixos-aarch64 to: Get access to the NixOS Community aarch64 build box: https://github.com/nix-community/aarch64-build-box ... todo: https://hydra.nixos.org/jobset/nixpkgs/trunk#tabs-jobs build box status: https://status.nixos.org/grafana/d/5LANB9pZk/per-instance-metrics?orgId=1&refresh=30s&var-instance=147.75.77.190

00:00 <artturin> samueldr: ah yeah i forgot i built the boot partition myself lol

00:00 <samueldr> :)

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00:44 <colemickens> adamz: are you adamzivcak?

00:44 <colemickens> if so, https://github.com/colemickens/nixcfg/blob/main/hosts/rpifour1/modules/netboot-server.nix is what you want

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01:57 <samueldr> oooh, flashable zips gives me an idea: a flashable zip that dumps information from the device

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02:17 <artturin> samueldr: you should close https://github.com/NixOS/mobile-nixos/issues/186

02:17 <{^_^}> mobile-nixos#186 (by samueldr, 32 weeks ago, open): Pinephone refresh roadmap

02:17 <samueldr> indeed, thank you

02:27 <artturin> i tested the 5.11 kernel on pp and seems like it works

02:27 <artturin> atleast it boots and the demo image loads

02:27 <samueldr> megi's fork?

02:27 <artturin> * the desktop

02:27 <artturin> yes

02:27 <artturin> rev = "af03b13dbb9bb9f920021dde20996d6f045edd12";

02:27 <artturin> sha256 = "0ana2v1imnvs3cg33wx2mzbvwq2ndgf6mpf389l1chyj8gg1d13j";

02:27 <samueldr> ah, hadn't realized 5.11 was out

02:28 <samueldr> feel free to PR the updgrade :)

02:31 <artturin> i'll test it for a bit and then do that

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02:31 <samueldr> alright

02:31 <samueldr> the longer you test, the more confident I'll be in a merge

02:31 <samueldr> I don't usually test in depth

02:32 <samueldr> the pinephone being one of many targets :)

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06:17 <Ke> sphalerite: do you have your gpu working yet?

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07:21 <sphalerite> Ke: I don't have a GPU :p

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07:45 <patagonicus> Because I was playing around with GlusterFS I haven't updated my armv7 machines for ~three weeks. Let's find out what is broken now. :D

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10:56 <thefloweringash> that segfault building linux-headers is unfortunate

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17:42 <artturin> samueldr: can i make it so that nixos-rebuild doesn't build the kernel

17:56 * artturin sent a long message: < https://matrix.org/_matrix/media/r0/download/matrix.org/tbxioNxRNUgxvcqPjVAbXxax/message.txt >

17:57 <artturin> i tried

17:57 <artturin> mobile.system.type = lib.mkForce

17:57 <artturin> mobile.boot.stage-1.kernel.package = lib.mkForce null;

17:57 <artturin> but The bootloader cannot find the proper kernel image. http://ix.io/2R68

18:07 <samueldr> artturin: yes, I don't know if I have the config right with me

18:08 <samueldr> I'd have to fish it back from a device

18:08 <samueldr> or maybe setting supportsStage-0 to false is it?

18:09 <artturin> i already have mobile.quirks.supportsStage-0 = lib.mkForce false;

18:09 <samueldr> hmm

18:10 <samueldr> though I know there's a trick, I'm not sure on which device I tried it

18:10 <samueldr> because I end up sending builds to my local aarch64 builder (an rk3399 board)

18:19 <samueldr> it also depends on which option is causing the kernel build

18:19 <artturin> it doesn't try to build the kernel after i set those 2 options

18:20 <artturin> mobile.boot.stage-1.kernel.package = lib.mkForce null;

18:20 <artturin> does it

18:20 <artturin> but it still complains that the bootloader cannot find the proper kernel image

18:20 <samueldr> "it" who?

18:21 <samueldr> the exact error message

18:21 <artturin> mobile.boot.stage-1.kernel.package = lib.mkForce null;

18:21 <artturin> makes the kernel not try to build

18:21 <artturin> http://ix.io/2R68

18:22 <samueldr> right

18:23 <samueldr> (NixOS is a bit *too* tightly integrated to actually compose a foreign environment on top of it

18:23 <samueldr> https://github.com/NixOS/nixpkgs/blob/76e6896331db36434fde8fee7a5a880f4a8d4e94/nixos/modules/system/activation/top-level.nix#L37-L41

18:23 <samueldr> https://github.com/NixOS/nixpkgs/blob/76e6896331db36434fde8fee7a5a880f4a8d4e94/nixos/modules/system/activation/top-level.nix#L27-L28

18:23 <samueldr> https://github.com/NixOS/mobile-nixos/blob/186c491641b9655f8efa6b283f13a80cff77748f/modules/initrd-kernel.nix#L104

18:24 <samueldr> it'd need to touch $out/${config.system.boot.loader.kernelFile}

18:25 <samueldr> to fake having a kernel to make the NixOS bits happy enough

18:25 <samueldr> but it's odd... I thought it was doing that already

18:26 <samueldr> ah, and instead of setting it to null, you should use: mobile.rootfs.shared.enabled = true;

18:27 <samueldr> it'll handle the initrd thing too https://github.com/NixOS/mobile-nixos/blob/62297b2e1053cb0a0f377c79c09d8a87fe33a7a3/modules/initrd.nix#L319-L323

18:27 <samueldr> ah!

18:27 <samueldr> that's it

18:27 <samueldr> https://github.com/NixOS/mobile-nixos/blob/32f58ada71f3fc3a1cf24b24cc6aa3f6acca04fe/modules/shared-rootfs.nix#L21-L33

18:27 <samueldr> no need to touch the kernelFile

18:27 <samueldr> artturin: mobile.rootfs.shared.enabled = true; # should fix your woes

18:28 <samueldr> I knew there was something already in there, but it's been... two months and a half since

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19:13 <artturin> that plus mobile.boot.stage-1.kernel.package = lib.mkForce null;

19:13 <artturin> worked! and it booted too

19:14 <artturin> samueldr: you're amazing

19:14 <samueldr> you shouldn't need to force the package to null

19:14 <samueldr> though that will ensure it'll break accidentally building it

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19:23 <artturin> mobile.rootfs.shared.enabled isn't listed on https://mobile.nixos.org/options/index.html

19:38 <samueldr> it's an internal option

19:38 <samueldr> but maybe there should be something exposed to do something equivalent

19:38 <samueldr> mobile.boot.stage-1.managed = true; # by default

19:39 <samueldr> because the real desire is for the stage-1 system to not be managed by the stage-2 system

19:39 <samueldr> "shared" rootfs is an implementation detail of release.nix

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19:44 <samueldr> (I really hate exposing the wrong abstractions)

19:44 <samueldr> as long as it's internal, I assume I can change my mind about it

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21:19 <artturin> samueldr: would it be possible to make the root partition mount with noatime

21:19 <samueldr> yes

21:19 <samueldr> the same way you would on NixOS

21:20 <samueldr> the mounts use the usual fileSystems mounts

21:20 <samueldr> don't be surprised if you see low hanging fruit "optimizations" like those that are literally trivial

21:20 <artturin> "/".options = ["noatime"];

21:20 <artturin> rebuilding: error: The option `/' does not exist. Definition values:

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21:21 <artturin> oops

21:21 <artturin> forgot filesystem.

21:21 <samueldr> someone's missing fileSystems, no?

21:21 <samueldr> :)

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21:27 <artturin> fileSystems."/".options = ["noatime"];

21:27 <artturin> error: No device specified for mount point ‘/’.

21:27 <artturin> should i specify it myself

21:28 <samueldr> it should be defined by your config already

21:28 <samueldr> are you e.g. importing the demo/configuration.nix file?

21:29 <samueldr> ah

21:29 <samueldr> lib.mkDefault

21:29 <samueldr> you'll have to use `"/" = lib.mkDefault { options = ...; };`

21:29 <samueldr> modules/rootfs.nix has "/" defined with `lib.mkDefault`

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21:40 <artturin> fileSystems."/" = lib.mkDefault { options = ["noatime" ]; };

21:40 <artturin> worked

21:40 <artturin> thanks

21:40 <samueldr> yeah, I've had similar issues because of mkDefault or mkForce in the past

21:42 <artturin> i think

21:42 * artturin sent a long message: < https://matrix.org/_matrix/media/r0/download/matrix.org/zuXIMADkrRABuEmULnCzUGUo/message.txt >

21:42 <artturin> wouldn't cause that issue

21:42 <samueldr> possibly yeah

21:42 <artturin> i'll try

21:47 <artturin> works

21:47 <artturin> i'll do a pr doing that and adding the noatime option

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22:03 <artturin> i haven't seen it cause issues for anyone

22:03 <artturin> so i think its safe to enable universally

22:03 <samueldr> I think so too

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23:36 <artturin> samueldr: should i normalize the config in the kernel update pr?

23:37 <samueldr> yes

23:38 <samueldr> artturin: the commit you picked is not what the branch orange-pi-5.11 points to

23:38 <samueldr> https://github.com/megous/linux/commit/945310589fa62cb25f54e885c4c3f43b31fa009b

23:38 <samueldr> https://github.com/megous/linux/commit/614f92c30a01161b59c6ff9924374eee41f65f3b

23:39 <samueldr> how did you end up on that other commit?

23:39 <artturin> https://github.com/megous/linux/releases

23:40 <samueldr> ah, a tag I guess

23:40 <samueldr> makes sense

23:41 <samueldr> I never thought of looking at the tags / releases

23:42 <artturin> should i make a another pr or a commit for the fix to https://github.com/NixOS/mobile-nixos/issues/315

23:42 <{^_^}> mobile-nixos#315 (by MetaDark, 3 days ago, open): Executables wrapped with `security.wrappers` broken after nixpkgs#109342

23:44 <samueldr> ah, a distinct commit, but can be in that PR

23:44 <artturin> aight

23:44 <samueldr> I really like having a distinct "this is a normalize" commit, with concious changes (normalized) being a discrete commit

23:53 <artturin> samueldr: the pr is ready