ci: sample recurrent abort across runners #5

	name: Diagnose recurrent Linux abort

	on:
	workflow_dispatch:
	push:
	branches:
	- test/diagnose-linux-recurrent-abort

	env:
	MODEL_CACHE_KEY: qwen35-q8-mamba130m-q2-falconh1tiny-q2-bge-small-q4

	jobs:
	diagnose:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	attempt: [1, 2, 3, 4]
	name: attempt-${{ matrix.attempt }}
	steps:
	- uses: actions/checkout@v6
	with:
	submodules: recursive

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.11"

	- name: Restore model cache
	uses: actions/cache@v5
	with:
	path: ~/.cache/huggingface/hub
	key: ${{ runner.os }}-model-${{ env.MODEL_CACHE_KEY }}

	- name: Show runner CPU
	run: lscpu

	- name: Install debugger
	run: \|
	sudo apt-get update
	sudo apt-get install --yes gdb

	- name: Build package
	run: \|
	python -m pip install --upgrade pip
	python -m pip install uv
	python -m uv pip install -e '.[all]' --verbose

	- name: Reproduce full test suite
	continue-on-error: true
	run: python -m pytest

	- name: Capture full-suite backtrace
	continue-on-error: true
	run: \|
	gdb --batch \
	-ex "set pagination off" \
	-ex run \
	-ex "thread apply all bt" \
	--args python -m pytest

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