#nixos-aarch64 on 2021-03-03

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

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00:03 <andoriyu> I don't think there is an armv6 channel, so I will ask here: what's the best way to build custom images for rpi zero w right now?

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05:52 <LinuxHackerman> andoriyu: don't worry, this is exactly the right place to ask :) the channel's name is a bit of unfortunate historical legacy

05:52 <LinuxHackerman> I'm not sure what the answer is unfortunately.

05:58 <clever> LinuxHackerman: the ahci module is for ide drives, pi0 doesnt use ide

05:59 <LinuxHackerman> what's that got to do with me?

05:59 <clever> just explaining the issue, but i'm not sure how to make nixos stop wanting it in this case

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06:12 <Ke> I believe I just responded clever on ahci, but can't see my response, it was not super useful anyway, but I am confuse

06:13 <clever> Ke: ah, i wasnt expecting a reply from the "wrong" nick

06:16 <Ke> oh right that was on #nixos

06:16 <clever> 2021-03-03 01:12:41 < AndreyCherkashin> <clever "andoriyu: the rpi doesnt use ahc"> I k

06:16 <clever> Ke: also, my irc client only responds if a msg begins with "clever:"

06:16 <clever> but yours began with "<clever ", so it didnt light up

06:18 <Ke> sure, but I would have been confused anyway, as topic changed channel

06:19 <Ke> matrix bridge occasionally drops messages, I believe

06:19 <clever> and youve jumped to a 3rd nick! :D

06:19 <Ke> so I am actively also looking for that

06:19 <Ke> no I don't think so

06:19 <clever> 2021-03-02 20:03:07 < andoriyu> I don't think there is an armv6 channel, so I will ask here: what's the best way to build custom images for rpi zero w right now?

06:19 <clever> 2021-03-03 01:12:41 < AndreyCherkashin> <clever "andoriyu: the rpi doesnt use ahc"> I know. but why is it trying to copy that module?

06:20 <clever> 2021-03-03 02:19:42 < Ke> no I don't think so

06:20 <Ke> sure that's not me

06:20 <Ke> only Ke

06:20 <clever> ah

06:20 <Ke> and jkarlson

06:20 <clever> now i'm even more confused, i dont see any jkarlson's

06:20 <Ke> also, I can't see my own nick, but changing to someone elses human chosen nick is unlikely

06:21 <clever> your currently showing up as "Ke"

06:21 <Ke> I guess it's only Ke then

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16:18 <Jassuko[m]> clever: that weird notation like <clever ”some message here”> is actually how the IRC bridge behaves with replies to a message.

16:18 <Jassuko[m]> A message

16:18 <Jassuko[m]> <Jassuko[m] "A message"> And this is a reply to my previous message.

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17:19 <Ke> artturin: can't find sway mobile anywhere, is it just sway with some settings?

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18:31 <andoriyu> clever so I looked at the nixpkgs and found this: https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/system/boot/kernel.nix#L203-L221

18:32 <andoriyu> I assume that's where ahci came from.

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18:33 <samueldr> recently there was a big regression with the initrd building scripts

18:33 <samueldr> previously modules adked to be added to the initrd would fail silently if missing

18:33 <samueldr> now they're failing hard

18:34 <andoriyu> that could be it, the same nix configuration works for 19.03.

18:35 <samueldr> it's extremely likely to be it

18:35 <samueldr> it has been breaking a lot of non x86_64 builds :(

18:35 <samueldr> and it's nigh impossible to filter lists in nixos configuration modules

18:36 <samueldr> really the change should be reverted and made configurable or something

18:37 <andoriyu> I see. so the only workaround is to fork nixpkgs, and remove those modules from that file meanwhile?

18:37 <samueldr> I'm not sure

18:37 <samueldr> I still haven't taken a look at the actual blowback of that change

18:38 <andoriyu> i will find out later today

18:38 <samueldr> I believe the #111452 was opened for that

18:38 <{^_^}> https://github.com/NixOS/nixpkgs/pull/111452 (by urbas, 4 weeks ago, merged): system/boot: add includeDefaultModules option

18:39 <andoriyu> Oh, I can try that option

18:39 <samueldr> all of that isn't great in the end :(

18:39 <andoriyu> huh?

18:40 <samueldr> it removes a lot of necessary modules https://github.com/NixOS/nixpkgs/blob/58a54171977ed0919fbf4ce421b874d8366f4adf/nixos/modules/system/boot/kernel.nix#L208-L249

18:40 <samueldr> so then you need to maintain your own copy of basic necessary modules if you use this option

18:40 <samueldr> but yes, it is a workaround for now

18:40 <andoriyu> Better then nothing I guess.

18:41 <samueldr> hopefully it won't harm an effort to fix it better

18:42 <samueldr> https://github.com/NixOS/nixpkgs/issues/109280

18:42 <{^_^}> #109280 (by primeos, 7 weeks ago, open): Use conditionals for all architecture dependent initrd modules

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19:49 <andoriyu> Now i get error: attribute 'runtimeShell' missing, at /home/andoriyu/dev/github.com/NixOS/nixpkgs/pkgs/top-level/all-packages.nix:520:79

19:49 <andoriyu> garh, should have rm -rf failing config last night

19:52 <samueldr> andoriyu: there's a fix already

19:52 <samueldr> https://github.com/NixOS/nixpkgs/pull/114999

19:52 <{^_^}> #114999 (by Ericson2314, 3 hours ago, open): buildPythonPackage: Fix after #112276

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19:53 <samueldr> (I still need to test it)

19:54 <andoriyu> samueldr I don't think it's related. the same checkout worked yesterday.

19:54 <andoriyu> well, kernel failed to build, but it was workingish

19:55 <samueldr> pretty sure it is, given that it only affects python packages

19:59 <andoriyu> oh, I don't have an issue with python package tho.

20:00 <samueldr> what's the trace like?

20:00 <samueldr> it's entirely possible the same issue is hitting other package sets

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20:02 <andoriyu> samueldr https://gist.github.com/andoriyu/dc2d096b8d905075136d6e99a2035e90

20:03 <andoriyu> Now, if I try different way of building that stupid sd card...I move beyond ahci module problem, now I get https://gist.github.com/andoriyu/97e74f7ce0431e6bd57e31a188849faa . Google points to chatlogs of this channel lol

20:03 <samueldr> >> while evaluating the attribute 'nativeBuildInputs' of the derivation 'python3.8-setuptools-50.3.1-armv6l-unknown-linux-gnueabihf' at /home/andoriyu/dev/github.com/NixOS/nixpkgs/pkgs/stdenv/generic/make-derivation.nix:198:11:

20:03 <samueldr> as expected

20:03 <samueldr> that's what that PR fixes

20:04 <andoriyu> damn, why is it building python

20:04 <samueldr> it's *using* python

20:04 <samueldr> as a build input

20:04 <samueldr> well, it's using *something* that is made in python as a build input

20:05 <samueldr> andoriyu: IIRC that FDT_ERR_NOTFOUND means it's trying to apply the overlay on something that is lacking the appropriate symbols to apply it to

20:05 <samueldr> now what is it that's actually failing? hard to know for sure

20:05 <andoriyu> ah, right. I remember build 100 build tools and shells for a small package when in freebsd ports.

20:06 <andoriyu> hmm. weird. I'm using linuxPackages_rpi0 kernel.

20:07 <samueldr> I know there's a lot of pain around the overlay stuff in nixpkgs

20:08 <samueldr> but I don't know the issues

20:08 <samueldr> I still haven't _myself_ taken a look

20:09 <andoriyu> I take it's using overlay for a newer rpi version.

20:10 <andoriyu> oh well, removing those overlays worked

20:11 <andoriyu> now I just have to figure out how to build a custom kernel module and a few rust packages.

20:14 <andoriyu> Is there a way to prevent image compression?

20:16 <samueldr> edit it out

20:16 <samueldr> I think?

20:17 <samueldr> https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/installer/sd-card/sd-image.nix

20:17 <samueldr> though there might be `compressImage`

20:17 <samueldr> but one of them is hardcoded to true??

20:17 <samueldr> things were moved a lot in the past few weeks

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20:19 <andoriyu> Overriding it works.

20:21 <cript0nauta> hi! is anyone familiar with a "Did not find a cmdline Flattened Device Tree" error when booting nixos from a rpi3b?

20:22 <cript0nauta> it happens when I'm using the latest kernel (or 5.10), setting boot.kernelPackages = pkgs.linuxPackages_5_4 fixes the problem

20:26 <samueldr> cript0nauta: do you have the serial output around the error?

20:26 <samueldr> (or a good quality photo of a display)

20:37 <cript0nauta> samueldr here it goes: https://user-images.githubusercontent.com/1222362/109868958-0eef0600-7c47-11eb-9c8f-7fddae1be839.png

20:40 <cript0nauta> my configuration.nix is including "${nixpkgs}/nixos/modules/installer/cd-dvd/sd-image-aarch64.nix" to set up the boot options, I'm not sure if I should include a module more specific to my rpi

20:41 <cript0nauta> but it worked ok with older versions of nixpkgs

20:41 <andoriyu> samueldr I've tested this: https://github.com/NixOS/nixpkgs/pull/114999/files still the same issue

20:44 <andoriyu> is there a way to tell which package pulls in python?

20:50 <samueldr> andoriyu: not sure

20:50 <samueldr> and yeah, I hadn't tested the PR yet

20:50 <samueldr> and I'm having issues still, but it solves the one I pointed out

20:50 <andoriyu> I can show trace after patch applied if it helps.

20:51 <samueldr> cript0nauta: can you run `file` on the .dtb file path it loads two lines higher

20:51 <samueldr> it's as if there was a file at the proper location, but it wasn't a dtb

20:52 <samueldr> including the sd image files *before* was an anti-pattern, as it also meant it's an installation device... now there's been changes I haven't kept up-to-date with related to that anti-pattern

20:54 <cript0nauta> [nix-shell:~]$ file /nix/var/nix/profiles/system-18-link/dtbs/broadcom/bcm2837-rpi-3-b.dtb /run/current-system/dtbs/broadcom/bcm2837-rpi-3-b.dtb

20:55 <cript0nauta> nix/var/nix/profiles/system-18-link/dtbs/broadcom/bcm2837-rpi-3-b.dtb: Device Tree Blob version 17, size=14250, boot CPU=0, string block size=950, DT structure block size=13228

20:55 <cript0nauta> run/current-system/dtbs/broadcom/bcm2837-rpi-3-b.dtb: Device Tree Blob version 17, size=14142, boot CPU=0, string block size=918, DT structure block size=13152

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20:55 <cript0nauta> the first one is the conflicting dtb, the second one is the 5.4 one which works ok

20:57 <samueldr> cript0nauta: the copied file in /boot/nixos

20:57 <samueldr> (unless it's a symlink?)

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21:02 <cript0nauta> do you mean /boot/nixos/jrfv3nx3r5pnsyiinqh9f2x7289f5wj0-linux-5.10.18-dtbs/broadcom/bcm2837-rpi-3-b.dtb? in this case, this is a regular file with the same contents as the file in system-18-link/...

21:02 <samueldr> good

21:02 <samueldr> it could have been copied wrong

21:02 <samueldr> sorry, I don't know :/

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21:30 <andoriyu> well either image is borked completely or just otg-serial part :(

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22:23 <cript0nauta> samueldr thanks anyway, i'll keep investigating the issue, and in the meantime i'll use krenel 5.4 which isn't a big problem :)

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22:28 <andoriyu> can't get serial to work for some reason. What is going on.

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22:34 <andoriyu> Can't really debug because keyboard plugs into the same port

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