# Red Bear OS — Graphical Boot Assessment

**Date**: 2026-05-03 (updated same day after fixes)
**Tested**: redbear-full harddrive.img in QEMU

## Result: Build SUCCEEDED (after fixes)

### Original Issue (FIXED)
The `make all CONFIG_NAME=redbear-full` previously failed due to:
1. **POSIX gap**: `sem_open`/`sem_close`/`sem_unlink` were `todo!()` stubs in relibc, preventing Qt6Core.so from linking. **Fixed** via `P5-named-semaphores.patch` (full shm-based implementation).
2. **Config inconsistency**: `kf6-kwayland` and `kf6-kidletime` depend on `libwayland` which cannot build. **Fixed** by marking both as `"ignore"` (they are orphan dependencies of the already-disabled KWin).
3. **Build system races**: Stale stage directories and cargo install overwrite failures. **Fixed** in `src/cook/cook_build.rs` and `src/cook/script.rs`.

### Current State

| Component | Status |
|-----------|--------|
| redbear-full build | ✅ 0 failed recipes, 4GB image |
| sem_open/close/unlink | ✅ Exported in libc.so (verified: nm -D) |
| redbear-mini (text-only) | ✅ Boots to login on framebuffer |
| Kernel, drivers, initfs | ✅ Works |
| D-Bus daemon | ✅ Starts (verified via serial probes) |
| redbear-sessiond (login1) | ✅ Starts |
| Evdevd, inputd, ps2d | ✅ Registered |
| Serial debug console | ✅ Fixed (uses /scheme/debug/no-preserve with respawn) |
| KWin / Wayland | 🔲 Blocked by QML gate |
| Greeter UI | 🔲 Blocked by QML gate |

### Remaining Blockers

| Blocker | Detail |
|---------|--------|
| libwayland | Cannot build: missing `MSG_NOSIGNAL` and `open_memstream` in relibc |
| kf6-kwayland/kf6-kidletime | Marked "ignore" — temporary, blocked on libwayland |
| QML gate | kirigami → plasma-framework → plasma-workspace requires QtQuick/QML headers |
| KWin | Blocked by QML gate