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8 Dec 2025
@zitrone:utwente.iozitrone i found the problem: containers
the other computer it fails on is a lxc container
the container only has 16 bit UID and GIDs
because of that it fails to chown :872415232 /nix/var/nix/b/5i50qd60sib1gcpvdmbrr667pd: "Invalid argument" 		04:23:39
@zitrone:utwente.iozitrone * i found the problem: containers
the computer it fails on is a lxc container
the container only has 16 bit UID and GIDs
because of that it fails to chown :872415232 /nix/var/nix/b/5i50qd60sib1gcpvdmbrr667pd: "Invalid argument" 		04:23:49
@aloisw:julia0815.dealoisw Are you connecting from outside the container? Also what exactly are you doing, that ID looks suspiciously like one assigned by auto-allocate-uids but that should be about the builder uids, whereas the whown should happen to the requester uid. 05:16:19
@aijokey:matrix.orgAijokey waiting for lock on '/nix/store/7m50sgfypkh0as0b5r1d89nnwpcykdq2-app.cash.licensee.gradle.plugin-1.13.0.pom'... copying path '/nix/store/g3h31isgd6br4aimdfbm8nmq5s29hc5k-roc-toolkit-0.4.0' from 'https://cache.nixos.org'... error (ignored): error: creating file '/nix/store/y8v2fxx306p7f3k6j8bqiv4abj7jw8vk-gtksourceview-4.8.4/share/gtksourceview-4/language-specs/boo.lang': Too many open files error: opening directory '/nix/store/y689lkv4jyfcqs4mjlhxkf5kphdqyihr-ui-unit-1.10.0-alpha01.jar': Too many open files Command 'nix-build '<nixpkgs/nixos>' --attr config.system.build.toplevel --no-out-link' returned non-zero exit status 1. 07:31:32
@aijokey:matrix.orgAijokeyI have problem07:31:38
@aijokey:matrix.orgAijokey ❯ ulimit unlimited 07:32:01
@k900:0upti.meK900This is on the daemon, presumably07:33:03
@aijokey:matrix.orgAijokeyIs there any way to fix, i cant switch07:47:21
@k900:0upti.meK900Are you running some sort of "hardened" setup?07:47:34
@aijokey:matrix.orgAijokeyno07:55:23
@aijokey:matrix.orgAijokey https://github.com/Aijokey/nix_configs# 07:58:41
@raitobezarius:matrix.orgraitobezariusyou can build without the daemon the system09:23:41
@aijokey:matrix.orgAijokey
In reply to @raitobezarius:matrix.org
you can build without the daemon the system
How? 		09:24:02
@raitobezarius:matrix.orgraitobezarius NIX_REMOTE=local <your command that rebuilds your system> if that respects environment variables 09:24:18
@raitobezarius:matrix.orgraitobezariusbut i'm more concerned that you are reaching open files limit with the daemon09:24:30
@raitobezarius:matrix.orgraitobezarius what does systemctl cat nix-daemon show? 09:24:38
@aijokey:matrix.orgAijokey
In reply to @raitobezarius:matrix.org
what does systemctl cat nix-daemon show?
For now I can't access pc, no electricity 		09:25:13
@raitobezarius:matrix.orgraitobezariusNo problem, let us know when you can access it again09:25:31
@aijokey:matrix.orgAijokeyOK09:25:40
@crop_tech:matrix.orgcrop i am on lix 2.93.3 and tried to setup a remote builder following https://docs.lix.systems/manual/lix/stable/advanced-topics/distributed-builds.html and https://nix.dev/tutorials/nixos/distributed-builds-setup but it failes with this message in the systemd log of nix-daemon
Dec 08 03:27:33 silent nix-daemon[20189]: error: error processing connection: user 'nixremote' is not allowed to connect to the Nix daemon 		11:11:49
@raitobezarius:matrix.orgraitobezarius can you do nix show-config on the remote system? 11:18:49
@raitobezarius:matrix.orgraitobezarius * can you do nix config show on the remote system? 11:18:59
@zitrone:utwente.iozitrone yep i had auto-allocate-uids enabled 11:23:16
@crop_tech:matrix.orgcrop accept-flake-config = ask
access-tokens =
allow-dirty = true
allow-import-from-derivation = true
allow-symlinked-store = false
allow-unsafe-native-code-during-evaluation = false
allowed-impure-host-deps =
allowed-uris =
allowed-users = @users nixremote
always-allow-substitutes = false
auto-allocate-uids = false
auto-optimise-store = true
bash-prompt =
bash-prompt-prefix =
bash-prompt-suffix =
build-dir = /nix/var/nix/builds
build-hook = /nix/store/kg6pv5f01vj5w6k7scy2zfvnkcgbifcw-lix-2.93.3/bin/nix __build-remote
build-poll-interval = 5
build-users-group =
builders =
builders-use-substitutes = true
commit-lockfile-summary =
compress-build-log = true
connect-timeout = 5
cores = 0
debugger-on-trace = false
deprecated-features =
diff-hook =
download-attempts = 5
download-speed = 0
enable-core-dumps = false
eval-cache = true
eval-system =
experimental-features = flakes nix-command
extra-platforms = aarch64-linux i686-linux
fallback = false
flake-registry = vendored
fsync-metadata = true
gc-reserved-space = 8388608
hashed-mirrors =
http-connections = 25
http2 = true
id-count = 8388608
ignore-try = false
ignored-acls = security.csm security.selinux system.nfs4_acl
impersonate-linux-26 = false
keep-build-log = true
keep-derivations = true
keep-env-derivations = false
keep-failed = false
keep-going = false
keep-outputs = false
log-lines = 25
max-build-log-size = 0
max-call-depth = 10000
max-free = 9223372036854775807
max-jobs = 20
max-silent-time = 0
max-substitution-jobs = 16
min-free = 0
min-free-check-interval = 5
nar-buffer-size = 33554432
narinfo-cache-negative-ttl = 3600
narinfo-cache-positive-ttl = 2592000
netrc-file = /etc/nix/netrc
nix-path = nixpkgs=/nix/store/vlnf0dq8nw13qyq3g6niiagw3nsgach1-qlvj3hhq8gl8cr62ryc906lbkmgsr0gl-source nixos-config=//dotfiles/root-silent.nix nixpkgs-overlays=//dotfiles/nixpkgs/overlays.nix
pasta-path = /nix/store/2ffwz6yskvpjvg1rih36va4g3gaaq9yh-passt-2025_09_19.623dbf6/bin/pasta
plugin-files =
post-build-hook =
pre-build-hook =
preallocate-contents = false
print-missing = true
pure-eval = true
repl-overlays =
require-drop-supplementary-groups = false
require-sigs = true
restrict-eval = false
run-diff-hook = false
sandbox = true
sandbox-build-dir = /build
sandbox-dev-shm-size = 50%
sandbox-fallback = false
sandbox-paths = /bin/sh=/nix/store/9v6zfa4ws3llr0k6njl6gd03rwpn644b-busybox-1.36.1/bin/busybox /nix/store/cmd2ga70ar0wpyji7yafi0cxj1v6wvm5-qemu-aarch64-binfmt-P /run/binfmt
secret-key-files =
show-trace = false
ssl-cert-file = /etc/ssl/certs/ca-certificates.crt
stalled-download-timeout = 300
start-id = 872415232
store = auto
substitute = true
substituters = https://cache.nixos.org/
sync-before-registering = false
system = x86_64-linux
system-features = benchmark big-parallel kvm nixos-test
tarball-ttl = 3600
temp-dir =
timeout = 0
trace-function-calls = false
trace-verbose = false
trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
trusted-substituters =
trusted-users = root nixremote
use-case-hack = false
use-cgroups = false
use-registries = true
use-sqlite-wal = true
use-xdg-base-directories = false
user-agent-suffix =
warn-dirty = true 		11:32:50
@raitobezarius:matrix.orgraitobezariusThis is the remote builder system, right? Not the local system? Because you have clearly nixremote listed there so I am confused as to how you can get that error11:38:29
@commentator2.0:elia.gardenRutile (Commentator2.0) feel free to ping i think i actually had that error too somewhen, but fixed it by just making the user trusted, which works in my case but very much shouldn't be the solution
cc piegames 		11:41:04
@crop_tech:matrix.orgcrop yes i only have that user on the remote system. 11:50:02
@crop_tech:matrix.orgcrop which user? and making it trusted by a setting that is not just changing the nix.conf to something like trusted-users = root nixremote ? 11:51:27
@raitobezarius:matrix.orgraitobezariusit's already listed trusted user11:52:05
@crop_tech:matrix.orgcrop this is the error on the client side:
this derivation will be built:
  /nix/store/73mm7rw8wcl5sm306sxxrflcs8rxcgha-foo.drv
building '/nix/store/73mm7rw8wcl5sm306sxxrflcs8rxcgha-foo.drv' on 'ssh://nixremote@silent'...
error: cannot open connection to remote store 'daemon': error: reading from file: Connection reset by peer
error: unexpected end-of-file
11:53:16

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