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Re-diagnosis of the "btrfs-assistant 2.2 segfaults on launch" bug, and the fix is not the planned nixpkgs override: 1. gdb: the crash is btrfs_util_subvolume_iterator_next() — libbtrfsutil's UNPRIVILEGED subvolume-iteration path in btrfs-progs 6.17.1 (upstream-fixed after 6.17.1, kdave/btrfs-progs 886571653). Symbol versions were checked and match: not ABI/link drift. 2. VM A/B on real btrfs: as root it works (exit 0); as a user it segfaults (139). The pkexec launcher runs it as root — so the GUI path was fine all along, except… 3. …the distro shipped NO polkit authentication agent: every pkexec prompt in the session failed silently. That is the actual root cause of "the GUI doesn't open". Shipped: hyprpolkitagent (Hyprland's Qt agent — the prompt is Stylix-themed) via exec-once in hyprland.nix; `nomarchy-menu snapshot` prefers btrfs-assistant-launcher again, with the nomarchy-snapshots fzf flow kept as fallback (and for SSH); checks.snapshot-gui guards the root path + offscreen GUI event loop on a real btrfs volume so a lock bump can't silently regress it. No btrfs-progs patch: all our flows are root-side; the unprivileged fix arrives with a lock bump. Verified: V0 (flake check) + V2 (snapshot-gui check, executed green) + V1 (HM generation builds; hyprland.conf carries the agent exec-once; generated menu passes bash -n with the launcher wiring). Remaining V3 queued: first on-hardware themed polkit prompt. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
75 lines
4.4 KiB
Markdown
75 lines
4.4 KiB
Markdown
# Hardware queue — V3 checks only a human can run
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Everything shipped at V1/V2 whose final verification needs real hardware.
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Agents **append** (newest at the bottom of a section) with exact steps;
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Bernardo runs them and either checks off (`[x]` + date + verdict) or files
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the failure as a NOW bug in BACKLOG.md. Machines: the **AMD dev box**
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(Ryzen AI laptop: AMD + fingerprint + NPU), the **Latitude 5410** (Intel
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QA machine), the **T14s** (webcam case).
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## Any machine (dev box is fine)
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- [ ] **Battery charge limit re-apply on unplug** — `sudo nixos-rebuild
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switch` with `power.batteryChargeLimit = 80`, physically unplug/replug
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AC, confirm `charge_control_end_threshold` re-reads 80. (udev trigger
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already VM-verified.)
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- [ ] **SSH_AUTH_SOCK for GUI clients** — after relogin, launch a GUI git
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client (or `rofi`-launched terminal-less app) and confirm it reaches
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gpg-agent's SSH socket without an interactive shell parent.
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- [ ] **Night-light full cycle** — first menu enable rebuilds + hyprsunset
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starts; later toggles are instant (no rebuild); an *off* survives
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reboot (ExecCondition); stopping hyprsunset restores gamma.
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- [ ] **Auto-timezone** — enable from the menu; confirm geoclue finds the
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zone, `/etc/localtime` updates, and the Waybar clock refreshes
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(SIGUSR2 watcher) — also after a manual `timedatectl set-timezone`.
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- [ ] **Keyboard hotplug picker (re-verify after in-flake graduation)** —
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plug an external keyboard post-login, pick a layout in rofi, confirm
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it applies per-device only, persists in `settings.keyboard.devices`,
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and graduates into a `device{}` block on the next rebuild.
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- [ ] **Snapshots restore/rollback** — `nomarchy-menu snapshot` now opens
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the **btrfs-assistant GUI**: a *themed* polkit prompt must appear
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(hyprpolkitagent — first on-hardware outing) and the GUI must open
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as root. Also exercise the fzf fallback in a terminal
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(`sudo nomarchy-snapshots`): browse/diff, restore a file
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(`undochange`), and a root-config rollback behind the typed-`yes`
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gate. Bonus check: any other pkexec flow now prompts instead of
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silently failing.
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- [ ] **Update awareness** — with `nomarchy.updates.enable`, let the timer
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fire (or start the unit): indicator appears only when inputs are
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behind, notification only on count growth, click opens the upgrade
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flow.
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- [ ] **VPN menu live paths** — import a real WireGuard `.conf` and an
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`.ovpn` via System → VPN, toggle up/down (● / ○ state), and the
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Tailscale block: up/down + exit-node without sudo (operator grant).
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- [ ] **Printer menu** — with `nomarchy.services.printing`, System →
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Printers opens system-config-printer; add a printer, test page.
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- [ ] **GRUB UEFI ISO theme render** — boot the ISO on UEFI hardware:
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composed splash background, palette menu in the lower third, accent
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timeout bar.
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- [ ] **Visual theme pass** — live ISO: all six identity themes (bars) +
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the four authored rofi `.rasi` (nord/retro-82/lumon/kanagawa) look
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right, not just parse.
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- [ ] **Auto-commit on a real machine** — System › Auto-commit toggles on
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(row shows state, notification fires); a theme apply from SUPER+T then
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shows a `nomarchy: apply theme …` commit in `~/.nomarchy` (`git log`);
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unrelated dirty files in the checkout stay uncommitted; toggle off is
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itself the last commit. Also: the "Auto timezone (on/off)" row label
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now reflects the real state (the `= true` comparison fix).
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## AMD dev box only
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- [ ] **AMD runtime bits** — VA-API (`vainfo` → radeonsi), amd-pstate EPP
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active and PPD switching governors; opt-ins: ROCm (`rocminfo`, a GPU
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PyTorch/Ollama smoke) and the XDNA NPU driver loading.
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- [ ] **Fingerprint** — `fprintd-enroll` + (opt-in PAM) login/sudo.
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## Latitude 5410 only
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- [ ] **Media keys + gestures** (from dccceb4) — volume/brightness keys
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drive the OSD; touchpad gestures work.
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- [ ] **v1 QA batch on-hardware pass** (583708d batch was QEMU-verified) —
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general smoke before the next `main → v1` promotion.
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## T14s only
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- [ ] **Webcam IR-hide end-to-end on Nomarchy** — installer detects the
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RGB+IR pair, bakes `hardware.camera.hideIrSensor`; `wpctl status`
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shows one colour source; an app picker lists one camera; Howdy-style
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direct `/dev/video2` reads still work.
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