351 lines
8.1 KiB
Markdown
351 lines
8.1 KiB
Markdown
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# qubot BPI-M2C UniSoc SDK 設定紀錄
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紀錄時間：2026-06-02 14:48 CST
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## 目的
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讓 `ssh qubot` 這台機器可以在：
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`/home/qubot/bpi/BPI-M2C/sync-20260524`
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下載並編譯本機已驗證過的 BPI-M2C UniSoc SDK 來源，來源對齊：
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`/media/pi/SMCI/bpi/unisoc/sync-20260524/source_sync_rls_25c`
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## 使用的 SDK 來源
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選用 `sync-20260524/source_sync_rls_25c`，不是 trunk。
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repo manifest 設定：
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```text
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MANIFEST_URL=https://git.unisoc.com/gerrit/platform/cus-manifest
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MANIFEST_BRANCH=bananapi/unc_linux_rls_25c
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MANIFEST_FILE=default.xml
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```
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對應本機已成功出 PAC 的 build target：
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```bash
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./build.sh uis7885_2h10+wayland+wayland+sec+uboot22 userdebug
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```
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這個 target 會解析為：
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```text
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MACHINENAME=uis7885-2h10
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DISTRO=unisoc-wayland
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IMAGENAME=unisoc-wayland-image
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SECBOOT_ENABLE=sec
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UNISOC_PRODUCT=uboot22
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USERDEBUG=userdebug
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```
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本機曾成功產出的 PAC 路徑：
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```text
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/media/pi/SMCI/bpi/unisoc/sync-20260524/source_sync_rls_25c/out/target/product/uis7885-2h10/cp_sign/QOGIRN6PRO_UIS7885_2H10_SEC/uis7885_2h10+wayland+wayland+sec+uboot22-userdebug-native_QOGIRN6PRO_UIS7885_2H10_SEC.pac
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```
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## qubot 環境確認
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遠端主機：
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```text
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host: qubot
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hostname: qubot-machine
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user: qubot
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kernel: Ubuntu 22.04 / Linux 6.8.0-94-generic
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```
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磁碟狀態重點：
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- `/home/qubot` 本身在 root filesystem 上，最早檢查只剩約 20G，不適合放 SDK。
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- `/home/qubot/bpi` 掛在 NVMe：`/dev/nvme0n1p1`，容量約 3.6T。
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- 因此所有工作都放到 `/home/qubot/bpi/BPI-M2C/sync-20260524`。
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- 2026-06-02 14:48 CST 檢查時，`/home/qubot/bpi` 剩餘約 334G。
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工具與 Python：
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```text
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repo: /home/qubot/.bin/repo
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git: /usr/bin/git
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python: /usr/bin/python -> Python 3.10.12
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python3 Crypto.Signature: ok
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sudo: ok
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```
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`Crypto.Signature` 很重要，因為 `source/unisoc/trusty/halo-elf/Makefile` 會用：
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```text
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/usr/bin/python prebuilts/scripts/packimage_scripts/dynamicTA/signta.py
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```
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之前本機首次 full build 曾因 `Crypto.Signature` 缺失卡在 `halo-ta`，所以遠端先確認並安裝 `python3-pycryptodome`。
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## 已建立的遠端目錄與腳本
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遠端工作根目錄：
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```text
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/home/qubot/bpi/BPI-M2C/sync-20260524
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```
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本機保留同一份 helper 紀錄：
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```text
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/media/pi/SMCI/bpi/unisoc/sync-20260524/qubot-BPI-M2C
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```
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已建立腳本：
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```text
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scripts/install_unisoc_deps_ubuntu2204.sh
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scripts/sync_rls25c.sh
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scripts/build_bpi_m2c_rls25c.sh
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scripts/start_build_bpi_m2c_rls25c.sh
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scripts/sync_then_build_bpi_m2c_rls25c.sh
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scripts/start_sync_then_build_bpi_m2c_rls25c.sh
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```
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用途：
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- `install_unisoc_deps_ubuntu2204.sh`：安裝 Yocto/UniSoc 常見依賴與 `python3-pycryptodome`。
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- `sync_rls25c.sh`：用同一個 UniSoc manifest 重新下載或續跑 `repo sync`。
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- `build_bpi_m2c_rls25c.sh`：執行已知 BPI-M2C build target。
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- `sync_then_build_bpi_m2c_rls25c.sh`：先 sync，sync 成功後自動 build。
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- `start_sync_then_build_bpi_m2c_rls25c.sh`：背景啟動 sync 後自動 build 的長任務。
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## 已執行過的主要步驟
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### 1. 建立遠端 helper
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先在本機建立 helper 目錄與 README/scripts，然後同步到遠端：
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```bash
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rsync -av /media/pi/SMCI/bpi/unisoc/sync-20260524/qubot-BPI-M2C/ \
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qubot:/home/qubot/bpi/BPI-M2C/sync-20260524/
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```
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### 2. 安裝遠端依賴
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在 `qubot` 執行：
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```bash
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cd /home/qubot/bpi/BPI-M2C/sync-20260524
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./scripts/install_unisoc_deps_ubuntu2204.sh
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```
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結果：
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```text
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python Crypto.Signature ok
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UniSoc build dependencies are ready.
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```
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### 3. 嘗試從本機搬完整 source tree
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本機大小：
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```text
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/media/pi/SMCI/bpi/unisoc/sync-20260524: 173G
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/media/pi/SMCI/bpi/unisoc/sync-20260524/source_sync_rls_25c: 105G
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```
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曾嘗試用 rsync 搬 `source_sync_rls_25c`，排除：
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```text
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/build-*
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/out
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/sstate-cache
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```
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但透過目前 SSH/n2n 網路，實際速度只有 KB/s 級，不適合搬完整 SDK。
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也嘗試過 tar stream，同樣速度很慢，所以停止。
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停止後保留了 partial 目錄，未刪除：
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```text
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source_sync_rls_25c.rsync-partial-20260602_130428
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source_sync_rls_25c.tar-partial-20260602_130728
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```
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這些目錄不是正式 source tree。等正式 sync/build 完成後，可以再清理。
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### 4. 改用 qubot 直接 repo sync
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先確認 `qubot` 能連 UniSoc manifest：
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```bash
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git ls-remote https://git.unisoc.com/gerrit/platform/cus-manifest \
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refs/heads/bananapi/unc_linux_rls_25c
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```
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結果可讀到分支，因此改為遠端直接下載：
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```bash
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cd /home/qubot/bpi/BPI-M2C/sync-20260524
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JOBS=8 ./scripts/sync_rls25c.sh
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```
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repo init 成功：
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```text
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repo has been initialized in /home/qubot/bpi/BPI-M2C/sync-20260524/source_sync_rls_25c
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```
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下載過程中確認已抓到多個重要 project，包括：
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```text
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kernel/common
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u-boot15 -> source/bsp/u-boot22
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yocto/tarballs
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pac-binary
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linuxos/os/ubuntu_deb
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vendor/sprd/release/idh/unc_linux_rls_25c
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```
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### 5. 評估 tarballs.git 的處理方式
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最後卡比較久的是 `yocto/tarballs`。
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本機對應 object repo：
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```text
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/media/pi/SMCI/bpi/unisoc/sync-20260524/source_sync_rls_25c/.repo/project-objects/tarballs.git
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```
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大小約 35G，主要是一個大 pack：
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```text
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pack-509afc6c0e1388268387707fb3a5e8f4469ef20a.pack
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```
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曾嘗試：
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- 用 rsync 從本機預填 `tarballs.git`，速度仍只有 KB/s。
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- 用本機 HTTP server 透過 LAN IP `192.168.50.188`，`qubot` 不可達。
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- 改用 n2n IP `172.16.199.88` / `172.16.198.88`，可達但只有約 50-80KB/s。
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結論：本機直傳比 `qubot` 從 UniSoc Gerrit 下載更慢，因此放棄本機預填，恢復遠端 `repo sync`。
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## 目前狀態
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截至 2026-06-02 14:48 CST：
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背景任務仍在跑：
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```text
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pid=1763945
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cmd=bash /home/qubot/bpi/BPI-M2C/sync-20260524/scripts/sync_then_build_bpi_m2c_rls25c.sh
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```
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log：
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```text
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/home/qubot/bpi/BPI-M2C/sync-20260524/logs/sync-then-build-detached-20260602_135424.log
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```
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目前仍處於 `repo sync` 階段，還沒進入 build。正在處理：
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```text
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yocto/tarballs
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git index-pack --stdin --fix-thin --keep=fetch-pack
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```
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工作目錄總大小約：
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```text
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/home/qubot/bpi/BPI-M2C/sync-20260524: 44G
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```
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磁碟剩餘：
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```text
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/home/qubot/bpi: about 334G free
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```
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## 監看命令
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看背景任務是否仍在：
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```bash
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ssh qubot 'ps -fp $(cat /home/qubot/bpi/BPI-M2C/sync-20260524/logs/sync-then-build.pid)'
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```
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看 log：
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```bash
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ssh qubot 'tail -f /home/qubot/bpi/BPI-M2C/sync-20260524/logs/sync-then-build-detached-20260602_135424.log'
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```
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看 repo sync 或 build 進程：
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```bash
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ssh qubot 'ps -eo pid,ppid,stat,etime,pcpu,pmem,cmd | grep -E "sync_then_build|repo/main.py|git .*fetch|git-remote-https|index-pack|build.sh" | grep -v grep'
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```
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看空間：
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```bash
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ssh qubot 'du -sh /home/qubot/bpi/BPI-M2C/sync-20260524; df -h /home/qubot/bpi'
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```
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看 `tarballs.git` pack 是否在增加：
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```bash
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ssh qubot 'find /home/qubot/bpi/BPI-M2C/sync-20260524/source_sync_rls_25c/.repo/project-objects/tarballs.git/objects/pack -maxdepth 1 -type f -printf "%TY-%Tm-%Td %TH:%TM %s %f\n" | sort | tail -10'
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```
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## 手動重跑方式
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如果背景任務已退出，但 sync 沒完成：
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```bash
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ssh qubot
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cd /home/qubot/bpi/BPI-M2C/sync-20260524
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JOBS=8 ./scripts/sync_rls25c.sh
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```
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如果 sync 已完成但 build 沒有啟動：
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```bash
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ssh qubot
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cd /home/qubot/bpi/BPI-M2C/sync-20260524
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./scripts/build_bpi_m2c_rls25c.sh
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```
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如果要重新用背景方式跑 sync 後自動 build：
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```bash
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ssh qubot
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cd /home/qubot/bpi/BPI-M2C/sync-20260524
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./scripts/start_sync_then_build_bpi_m2c_rls25c.sh
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```
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## build 成功後預期位置
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若 build 成功，PAC 應出現在類似：
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```text
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/home/qubot/bpi/BPI-M2C/sync-20260524/source_sync_rls_25c/out/target/product/uis7885-2h10/cp_sign/QOGIRN6PRO_UIS7885_2H10_SEC/
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```
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預期檔名格式：
|
|||
|
|
|
|||
|
|
```text
|
|||
|
|
uis7885_2h10+wayland+wayland+sec+uboot22-userdebug-native_QOGIRN6PRO_UIS7885_2H10_SEC.pac
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
## 後續清理建議
|
|||
|
|
|
|||
|
|
等 repo sync 與 build 都確認成功後，再考慮清理早期傳輸測試留下的 partial 目錄：
|
|||
|
|
|
|||
|
|
```bash
|
|||
|
|
cd /home/qubot/bpi/BPI-M2C/sync-20260524
|
|||
|
|
rm -rf source_sync_rls_25c.rsync-partial-* source_sync_rls_25c.tar-partial-*
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
不要在 repo sync/build 還沒完成前清理 `source_sync_rls_25c` 內部資料。
|