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Generated AP Linux Boot Blocker - 2026-05-18

packages/chip/docs/evidence/cpu/linux/generated-ap-linux-boot-blocker-2026-05-18.md

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Generated AP Linux Boot Blocker - 2026-05-18

Status: blocked, fail-closed.

Scope: generated Chipyard ElizaRocketConfig AP Linux boot evidence for scripts/check_minimum_linux_npu_target.py.

What Passed

  • Chipyard checkout preflight passes: python3 scripts/check_chipyard_import_preflight.py --require-checkout
  • Verilator preflight passes: python3 scripts/check_chipyard_verilator_preflight.py
  • Payload locator passes and selects: external/chipyard/software/firemarshal/images/firechip/linux-poweroff/linux-poweroff-bin-nodisk
  • Stale /work generated metadata was repaired/removed enough for a clean Docker smoke attempt to start from the current wrapper.

Attempted Command

sh
CHIPYARD_LINUX_SMOKE_USE_DOCKER=1 \
CHIPYARD_LINUX_SMOKE_CLEAN=1 \
CHIPYARD_LINUX_SMOKE_TIMEOUT_SECONDS=600 \
CHIPYARD_LINUX_SMOKE_JOBS=1 \
scripts/run_chipyard_eliza_linux_smoke.sh

The current Docker wrapper seeds both expected boot ROM images into the generated target directory before Chipyard elaboration:

text
eliza-evidence: seeded_bootrom=/work/external/chipyard/sims/verilator/generated-src/chipyard.harness.TestHarness.ElizaRocketConfig/bootrom.rv64.img
eliza-evidence: seeded_bootrom=/work/external/chipyard/sims/verilator/generated-src/chipyard.harness.TestHarness.ElizaRocketConfig/bootrom.rv32.img

Current Blocker

The smoke transcript is complete but not boot evidence:

  • Transcript: build/chipyard/eliza_rocket/verilator-linux-smoke.log
  • Report: build/chipyard/eliza_rocket/verilator-linux-smoke.json
  • Exit code: 137
  • Missing required markers: OpenSBI, Linux version
  • Instruction trace is stale relative to the current smoke log.

During this pass, multiple detached Chipyard Docker runners were active and writing the same generated tree. They were stopped to avoid corrupting the generated evidence state. No active eliza/chipyard-eliza-minimal-amd64:1.13.0 containers remained after the stop.

Exact Next Action

Run one generated-AP smoke job at a time, with no parallel Chipyard Docker jobs:

sh
docker ps --filter ancestor=eliza/chipyard-eliza-minimal-amd64:1.13.0
CHIPYARD_LINUX_SMOKE_USE_DOCKER=1 \
CHIPYARD_LINUX_SMOKE_CLEAN=1 \
CHIPYARD_LINUX_SMOKE_TIMEOUT_SECONDS=1200 \
CHIPYARD_LINUX_SMOKE_JOBS=1 \
scripts/run_chipyard_eliza_linux_smoke.sh
eval "$(python3 scripts/locate_chipyard_linux_payload.py --export-env)"
CHIPYARD_ALLOW_CONTAINER_GENERATED_PATHS=1 \
python3 scripts/check_chipyard_verilator_linux_smoke.py

The gate must remain blocked until the real generated-AP transcript contains both OpenSBI and Linux version.