| # Linux initrd integration test. | |
| # | |
| # Copyright (c) 2018 Red Hat, Inc. | |
| # | |
| # Author: | |
| # Wainer dos Santos Moschetta <wainersm@redhat.com> | |
| # | |
| # This work is licensed under the terms of the GNU GPL, version 2 or | |
| # later. See the COPYING file in the top-level directory. | |
| import os | |
| import logging | |
| import tempfile | |
| from avocado_qemu import QemuSystemTest | |
| from avocado import skipIf | |
| class LinuxInitrd(QemuSystemTest): | |
| """ | |
| Checks QEMU evaluates correctly the initrd file passed as -initrd option. | |
| :avocado: tags=arch:x86_64 | |
| :avocado: tags=machine:pc | |
| """ | |
| timeout = 300 | |
| def test_with_2gib_file_should_exit_error_msg_with_linux_v3_6(self): | |
| """ | |
| Pretends to boot QEMU with an initrd file with size of 2GiB | |
| and expect it exits with error message. | |
| Fedora-18 shipped with linux-3.6 which have not supported xloadflags | |
| cannot support more than 2GiB initrd. | |
| """ | |
| kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora/li' | |
| 'nux/releases/18/Fedora/x86_64/os/images/pxeboot/vmlinuz') | |
| kernel_hash = '41464f68efe42b9991250bed86c7081d2ccdbb21' | |
| kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) | |
| max_size = 2 * (1024 ** 3) - 1 | |
| with tempfile.NamedTemporaryFile() as initrd: | |
| initrd.seek(max_size) | |
| initrd.write(b'\0') | |
| initrd.flush() | |
| self.vm.add_args('-kernel', kernel_path, '-initrd', initrd.name, | |
| '-m', '4096') | |
| self.vm.set_qmp_monitor(enabled=False) | |
| self.vm.launch() | |
| self.vm.wait() | |
| self.assertEqual(self.vm.exitcode(), 1) | |
| expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % ( | |
| max_size + 1) | |
| self.assertRegex(self.vm.get_log(), expected_msg) | |
| @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab') | |
| def test_with_2gib_file_should_work_with_linux_v4_16(self): | |
| """ | |
| QEMU has supported up to 4 GiB initrd for recent kernel | |
| Expect guest can reach 'Unpacking initramfs...' | |
| """ | |
| kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora' | |
| '/linux/releases/28/Everything/x86_64/os/images/pxeboot/' | |
| 'vmlinuz') | |
| kernel_hash = '238e083e114c48200f80d889f7e32eeb2793e02a' | |
| kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash) | |
| max_size = 2 * (1024 ** 3) + 1 | |
| with tempfile.NamedTemporaryFile() as initrd: | |
| initrd.seek(max_size) | |
| initrd.write(b'\0') | |
| initrd.flush() | |
| self.vm.set_console() | |
| kernel_command_line = 'console=ttyS0' | |
| self.vm.add_args('-kernel', kernel_path, | |
| '-append', kernel_command_line, | |
| '-initrd', initrd.name, | |
| '-m', '5120') | |
| self.vm.launch() | |
| console = self.vm.console_socket.makefile() | |
| console_logger = logging.getLogger('console') | |
| while True: | |
| msg = console.readline() | |
| console_logger.debug(msg.strip()) | |
| if 'Unpacking initramfs...' in msg: | |
| break | |
| if 'Kernel panic - not syncing' in msg: | |
| self.fail("Kernel panic reached") |