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Appliance image builds and boots for the locked-in hardware: kernel/ixgbe-sff.patch carries the product driver subset (raw I2C + sff_i2c, ETQF steering with rule round-trip, FCoE slot guard — bench-only reg_ops/ts_bench excluded), ported to v7.2 and compile-verified; mkimage applies it or dies, builds IXGBE=y (ICE/I40E out with the ice.pkg blob) and puts ixgbe.allow_unsupported_sfp=1 on the cmdline; load-ixgbe joins the repo anchored to its own path; module bringup ordered after the host checks because a down port's TX_DISABLE powers the PHY core down while the mailbox keeps answering (proven by flipping admin state: down reads 0xffff everywhere, core wakes 0.07-0.24s after the raise) with identify settling 3s bounded; cold-boot condition reproduced on the bench (ports downed first) and passing, confirmed on the appliance

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flamingcow
2026-08-18 09:41:38 -07:00
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@@ -39,9 +39,7 @@ Indices shift as stashes are pushed/popped — match by message, not number.
## Diagnostics artifacts outside the repo
In `~/work/`, ready to fold into the repo's `kernel/`:
- **Patched ixgbe** (`~/work/ixgbe-sff/`) — the `sff_i2c` raw-I2C debugfs transport, ETQF steering, `reg_ops`/`ts_bench`; `./load-ixgbe` rebuilds + swaps the module with `allow_unsupported_sfp=1`. Details: nics/x520/.
- **Patched ixgbe, bench build** (`~/work/ixgbe-sff/`) — out-of-tree module for the dev host: the product patch plus the bench-only extras (`reg_ops` value readback, `ts_bench`); `./load-ixgbe` rebuilds + swaps the module with `allow_unsupported_sfp=1`. The product subset (raw I2C + `sff_i2c`, ETQF steering, FCoE slot guard) is versioned at `kernel/ixgbe-sff.patch` and applied by `./mkimage` to every appliance kernel build — apply fails loudly when stable moves under it; port the patch then. Details: nics/x520/.
- **Bench tools and clients** (`~/work/phydiag-work/`) — `etqfbench/`, `x520poke/`, `compound_test.py`, `bcm_mcia_emu.py`, `bcm_ixgbe.py`, `bcm_explore.py`/`bcm_eee_off.py`, `bcm_ecd_probe.py`, `bcm_phaselock_bench.py`, `rollball_ixgbe.py`, `rb_forensic.py`. What each proved lives in modules/fs/, modules/wiitek/ and nics/x520/.
## Every boot