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docs: close BUG-15 — phone-OS limitation (dual-role), workaround documented

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Mathieu Moran
2026-08-13 16:23:14 -04:00
parent c44026e511
commit ab798205a4
1 changed files with 13 additions and 15 deletions
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BUGS.md
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@@ -8,21 +8,6 @@ When CLOSED, move the entire entry to Resolved — don't duplicate.
## Open bugs
### BUG-15 — Phone can't host the hotspot and connect to the Pi's AP at once
- **Status**: `OPEN` 2026-08-12
- **Symptom**: With the phone hosting the hotspot (Pi's uplink) *and* connected to the
Pi's AP ("vroom vroom yaris de course"), the Pi loses internet. Uploads fail with
`NameResolutionError` — the phone's WiFi-sharing routes the hotspot's traffic back
through the no-internet AP, creating a routing loop.
- **Cause**: phone-OS limitation — a single phone can't cleanly be both the Pi's
internet uplink (AP/hotspot host) and its WiFi client (on the Pi's AP) simultaneously.
- **Intended use / workaround**: phone must be **LTE-only** (WiFi off) to serve as the
Pi's uplink. Reach the Pi UI from that phone over the hotspot at
`http://<pi-hotspot-ip>` (Settings → "In-car hotspot" shows it), or from a second
device on the AP.
- **Pi-side hardening shipped 2026-08-12**: `phone-hotspot` now forces public DNS
(`8.8.8.8`/`1.1.1.1`) and the Settings page surfaces the correct URL per uplink mode.
### BUG-17 — Server trip timestamps wrong after an offline period
- **Status**: `OPEN` 2026-08-13
- **Phase**: 29
@@ -56,6 +41,19 @@ When CLOSED, move the entire entry to Resolved — don't duplicate.
## Resolved
### BUG-15 — Phone can't host the hotspot and connect to the Pi's AP at once
- **Status**: `CLOSED` 2026-08-13
- **Commit**: `cc06c62`
- **Resolution**: Confirmed a **phone-OS limitation**, not a Pi bug. A single phone
can't cleanly be both the Pi's internet uplink (hotspot/AP host) and its WiFi client
(on the Pi's AP) at the same time — doing so routes the hotspot's traffic back through
the no-internet AP, creating a routing loop (`NameResolutionError` on uploads).
- **Workaround (documented)**: the phone must be **LTE-only** (WiFi off) to serve as the
Pi's uplink. Reach the Pi UI from that phone over the hotspot at
`http://<pi-hotspot-ip>` (Settings → "In-car hotspot"), or from a second device on the AP.
- **Pi-side hardening shipped**: `phone-hotspot` profile forces public DNS
(`8.8.8.8`/`1.1.1.1`), and the Settings page surfaces the correct URL per uplink mode.
### BUG-16 — Trip missing from Pi local history (present on server)
- **Status**: `CLOSED` 2026-08-13
- **Commits**: `e5ac14e`, `f5f20c3`