docs: fix pre-existing broken links surfaced by docs-lint

Problem: docs-lint (added in the wiki-hq reorg) surfaced 126 broken relative
links that predated this session — a container rename, incident/plan docs
that moved into archive/done subfolders without their inbound links being
updated, and a handful of relative-depth bugs in files nested under
containers/archive/ and plans/done/.

Fixes applied, by category:
- 124-authentik.md -> 106-auth-outpost.md (container was renamed; ~40 refs).
- investigations/{2026-04-21-hubris-crash-loop,2026-05-31-authentik-vps-migration}.md
  -> archive/ prefix (both moved to investigations/archive/ previously).
- plans/{2026-06-01-slate-ax-to-sodola-migration,2026-06-04_130000-deprecate-claudio-bot,
  2026-06-25-yuvomi-deployment}.md -> plans/done/ prefix.
- Depth bugs in files nested one level deeper than their siblings assumed
  (investigations/archive/*, knowledge/wiki/containers/archive/*,
  plans/done/*) — corrected relative-path depth.
- Destroyed containers with no surviving page (126-plato) delinked to the
  containers/index.md archaeology row instead of a 404.
- ludo-mini.yaml -> strong.yaml (host was renamed, same physical machine).
- netbird-vps.md (no narrative page exists) -> netbird-vps.yaml (substrate
  record, matching the existing convention for hosts without a wiki page).
- runbook-dpkg-interrupted.md refs -> .agents/skills/runbook-dpkg-interrupted/SKILL.md
  (missed in the phase-4 runbook move because the referencing files used a
  bare filename, not a runbooks/ prefix).
- One dangling forward-reference to a never-written investigation delinked
  to the actual incident record it was describing.

Left alone: two links in knowledge/wiki/containers/101-jellyfin.md into
devops/homelab-authentik-admin/ — an intentional reference to a sibling repo,
not present in this checkout.

Verification: broken-link count 126 -> 2 (real remainder is the cross-repo
reference above); gen-topology.py --check still exit 0; build_host_files.py
still idempotent; all inventory.yaml doc_page targets still resolve.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-07-06 17:53:35 +02:00
parent 1019a1cb52
commit 4efddb8bed
39 changed files with 123 additions and 122 deletions

View File

@@ -2,12 +2,12 @@
## Summary
[`hubris`](../hosts/hubris.md) hard-locked repeatedly on 2026-04-21 (silent CPU hangs, no panic, no OOM, no MCE). Two contributors identified: idle CPU sitting at ~95 °C on the `performance` governor, and a USB-attached external SSD whose UAS interaction with the AMD USB4/Thunderbolt PCIe tunnel triggered hard locks. CPU thermal addressed via `cpu-epp.service`; drive removed 2026-04-22 as an A/B test. As of 2026-04-28 the host has 3+ days uptime — the drive looks like the primary contributor; `cpu-epp` remains as belt-and-suspenders.
[`hubris`](../../knowledge/wiki/hosts/hubris.md) hard-locked repeatedly on 2026-04-21 (silent CPU hangs, no panic, no OOM, no MCE). Two contributors identified: idle CPU sitting at ~95 °C on the `performance` governor, and a USB-attached external SSD whose UAS interaction with the AMD USB4/Thunderbolt PCIe tunnel triggered hard locks. CPU thermal addressed via `cpu-epp.service`; drive removed 2026-04-22 as an A/B test. As of 2026-04-28 the host has 3+ days uptime — the drive looks like the primary contributor; `cpu-epp` remains as belt-and-suspenders.
## Timeline
### 2026-04-19 — drive attached
External `Silicon Motion Portable SSD` (vid:pid `090c:2320`) attached for the new restic [backup pipeline](../infrastructure/backups.md). Pre-attach uptime had been 33 days stable.
External `Silicon Motion Portable SSD` (vid:pid `090c:2320`) attached for the new restic [backup pipeline](../../knowledge/wiki/infrastructure/backups.md). Pre-attach uptime had been 33 days stable.
### 2026-04-19 → 2026-04-21 — first crashes
Two hard crashes in 2.5 days (46 h then 12 h uptime). Kernel logs ended abruptly with routine apparmor entries — no panic, OOM, or MCE — the classic hard-lock signature. Preceded by `uas_eh_abort_handler` storms and xHCI resets on port 6-1.
@@ -24,13 +24,13 @@ Two hard crashes in 2.5 days (46 h then 12 h uptime). Kernel logs ended abruptly
- **Mount-on-demand** for the drive: `/usr/local/sbin/backup-usb.sh attach|detach|status` toggles `/sys/bus/usb/devices/*/authorized` so the drive is de-authorized when no backup is running.
### 2026-04-22 — recurrence after 30 h 37 m
Same silent-cutoff signature at 18:42:08. Much longer than any pre-`cpu-epp` crash (12 h max), so `cpu-epp` helps but is not sufficient on its own. [claudio-monitor](../infrastructure/monitoring.md) showed healthy runtimes up to 43 s before the hang (no pre-crash degradation). No MCE / no RAS / pstore empty.
Same silent-cutoff signature at 18:42:08. Much longer than any pre-`cpu-epp` crash (12 h max), so `cpu-epp` helps but is not sufficient on its own. [claudio-monitor](../../knowledge/wiki/infrastructure/monitoring.md) showed healthy runtimes up to 43 s before the hang (no pre-crash degradation). No MCE / no RAS / pstore empty.
### 2026-04-22 — `cpu-epp.service` design bug fixed
Was `After=multi-user.target` + `WantedBy=multi-user.target` — queued behind `pve-guests.service`. The hottest window of every boot (20 LXCs + 1 VM coming up) ran on the `performance` governor. Fixed: now `After=sysinit.target` + `Before=pve-guests.service`.
### 2026-04-22 — drive removed (A/B test)
User physically removed the external USB drive. [Backup timers disabled](../infrastructure/backups.md#status), fstab entry commented, drive de-authorized. Goal: confirm whether the drive + UAS + AMD USB4 PCIe-tunnel interaction is the dominant root cause.
User physically removed the external USB drive. [Backup timers disabled](../../knowledge/wiki/infrastructure/backups.md#status), fstab entry commented, drive de-authorized. Goal: confirm whether the drive + UAS + AMD USB4 PCIe-tunnel interaction is the dominant root cause.
### 2026-04-23 — SSD cooling + thermal pads installed
Cold-boot baseline (3 min uptime): nvme0n1 35 °C composite / sensor1 (controller) **53 °C**; nvme1n1 36 °C composite / both sensors ≤36 °C. Lifetime warning-time counters at install: nvme0n1 709 min warn + 5 min crit; nvme1n1 778 min warn + 45 min crit — both drives had spent real time in thermal warning historically.
@@ -78,9 +78,9 @@ Checked 2026-04-21. GMKtec is **not on LVFS**, so `fwupdmgr` can't update the Nu
| `pcie_aspm=off pci=nomsi` | NOT applied | Reserved for if crashes recur without the drive |
## Affected nodes
- [Hubris host](../hosts/hubris.md)
- [Backups (disabled)](../infrastructure/backups.md)
- [Monitoring](../infrastructure/monitoring.md)
- [Hubris host](../../knowledge/wiki/hosts/hubris.md)
- [Backups (disabled)](../../knowledge/wiki/infrastructure/backups.md)
- [Monitoring](../../knowledge/wiki/infrastructure/monitoring.md)
## Open questions
- Will the host stay up indefinitely without the drive? (Test ongoing — 3+ days as of 2026-04-28.)