1# Copyright (c) 2012 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5from autotest_lib.server import utils 6 7AUTHOR = "Chrome OS Team" 8NAME = "firmware_RollbackKernel.dev" 9PURPOSE = "Servo based kernel rollback test." 10CRITERIA = "This test will fail if kernel rollback doesn't fail verification." 11ATTRIBUTES = "suite:faft, suite:faft_bios, suite:faft_bios_au_1, suite:faft_bios_au_2, suite:faft_bios_au_3, suite:faft_dev, suite:faft_lv3, suite:faft_bios_ec3po, suite:faft_bios_tot" 12TIME = "SHORT" 13TEST_CATEGORY = "Functional" 14TEST_CLASS = "firmware" 15TEST_TYPE = "server" 16JOB_RETRIES = 4 17 18DOC = """ 19This test requires a USB disk plugged-in, which contains a Chrome OS test 20image (built by "build_image --test"). In normal mode, this test rollbacks 21kernel A and results kernel B boot. It then rollbacks kernel B and 22results recovery boot. In developer mode, the firmware ignores kernel 23rollback check so it remains unchanged. 24""" 25 26args_dict = utils.args_to_dict(args) 27servo_args = hosts.CrosHost.get_servo_arguments(args_dict) 28 29def run_rollbackkernel(machine): 30 host = hosts.create_host(machine, servo_args=servo_args) 31 job.run_test("firmware_RollbackKernel", host=host, cmdline_args=args, 32 disable_sysinfo=True, dev_mode=True, tag="dev") 33 34parallel_simple(run_rollbackkernel, machines) 35