feat(config): Run the fans at full speed by default
FAN_SPEED 30 -> 100. A soak is a thermal test of everything except the cooling, so the cooling should not be one of the variables in it. At 30% a long run can throttle partway through, and throttled results read like a different fault entirely. Folded into V1.0.11 rather than bumping the version: the tag has not moved on and this is the same delivery. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014RetWKFZFG1ZHcitQAyhwM
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Claude Opus 5
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@@ -215,7 +215,7 @@ project_name = "Blanton" ; 專案名，進 log 檔名
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strTestcase = "ENV" ; 測項名（ENV/EMC/Margin...），進 log 檔名
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EN_Margin = 0 ; 1=跑 margin 掃描, 0=跳過
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EN_log = 1 ; 1=logopen 存檔, 0=不存
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FAN_SPEED = 30 ; 傳給 fan-speed-control.sh 的風扇轉速 (%)
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FAN_SPEED = 100 ; 傳給 fan-speed-control.sh 的風扇轉速 (%)，預設全速
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SWB_UNIT0 = 1 ; 這台有 switch unit 0（流量與 wait_init 都依此）
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SWB_UNIT1 = 1 ; 這台有 switch unit 1
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prompt_login = "sonic login:"
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@@ -12,7 +12,8 @@ DUT 端的取數能力由一組 **bash 工具庫** 提供（CB FPGA `pcimem` →
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**目前狀態（2026-08-27）**：Script A 為 **V1.0.10**（A 集中記錄 A/B/C 三支的變更）。涵蓋
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PCIe AER / DDR EDAC / PMON+TPM / 電壓 margin（9 顆 LTC2980）/ SWB loopback 線速流量 /
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10G+1G 管理網路 ping / BMC DDR 與 USB / NVMe 健康，壓力層走平台的 `bgctl`。
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switch unit 數量由 `config.ttl` 的 `SWB_UNIT0` / `SWB_UNIT1` 宣告，風扇轉速由 `FAN_SPEED` 指定。
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switch unit 數量由 `config.ttl` 的 `SWB_UNIT0` / `SWB_UNIT1` 宣告，風扇轉速由 `FAN_SPEED` 指定
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（預設 100 = 全速；soak 是熱測試，散熱不該是變因）。
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測試 job log 收在 DUT 的 `/host/hw-eval/jobs/`，Script C 結束時掛好 USB 再帶時戳複製到 `/mnt/usb/`。
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100G PRBS（`port_prbs_monitor.sh`）已隨包交付，但 **A/B/C 的呼叫仍註解掉**，還在 bring-up。
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Script B 的 soak 迴圈每輪印 `bgctl list` + `jobs`，並 `pause 60`（V1.0.10 之前完全沒有 pause）。
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@@ -14,6 +14,9 @@
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Both print a per-chip line and a `N saved, M failed` tally, and both return a non-zero exit code when anything failed.
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**The fans now default to full speed**
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* `FAN_SPEED` in `config.ttl` is 100 instead of 30. A soak is a thermal test of everything *except* the cooling, so the cooling should not be a variable in it — and a DUT that throttles halfway through a run produces results that look like a different fault. Lower it deliberately if quiet operation is what you are measuring.
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## 🐛 Bug fixes
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**A failed NVM write still reported success**
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@@ -42,7 +45,7 @@ grep -rlU $'\r' ~/Blanton_Script # expect no output
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* **`margin_save` in any form writes NVM permanently.** A power cycle does not undo it. `margin_save all` and `margin_save blanton` do it to all 18 controllers at once. Run `margin_status_all.sh` first and never call any of them during a test run — the macros do not, and should not be made to.
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* **The 18 raw commands were verified on the DUT; the wrapper was not.** `margin_save blanton` issues exactly the sequence that was run by hand at the bench, and the packaging was tested against stubbed hardware, but the function itself has not been run on a DUT yet. Watch the per-chip lines the first time.
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* **Declare the switch population.** `SWB_UNIT0` / `SWB_UNIT1` in `config.ttl` say which switch units this DUT has; traffic and the readiness gate both follow them.
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* **Set `FAN_SPEED`.** It is applied at the start of every run.
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* **`FAN_SPEED` is now 100.** It is applied at the start of every run, so this build runs the fans flat out unless you change `config.ttl`. Expect the noise.
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* **Management connectivity is in use, not preserved.** Both management NICs are up and pinging — drive the run from the serial console.
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* **PRBS is still not wired into the macros.** Run `port_prbs_monitor.sh` by hand if you want it; the calls in A/B/C remain commented out.
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* **Two settings persist to `config_db.json`** and survive a reboot: LLDP is left disabled and the 100G uplinks are left configured. Restore them before the DUT moves on.
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@@ -94,6 +94,7 @@
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; FPGA-channel -> i2c-bus map
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; LTC2980_Margin_Script/Ref/*.md 0x15 trace note corrected to send-byte
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; LTC2980_Margin_Script/script/margin_save_all.sh Point at margin_save all; keep it for subsets
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; config.ttl FAN_SPEED 30 -> 100 (full speed by default)
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; =============================================================================
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include "config.ttl"
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@@ -10,7 +10,7 @@ EN_log = 1 ; 1: Enable log, 0: Disable log
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;================================================================
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; FAN_SPEED
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;================================================================
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FAN_SPEED = 30
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FAN_SPEED = 100
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;================================================================
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; Switch Unit Population
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;================================================================
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