| # Linux initrd acceptance 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 logging |
| import tempfile |
| from avocado.utils.process import run |
| |
| from avocado_qemu import Test |
| |
| |
| class LinuxInitrd(Test): |
| """ |
| Checks QEMU evaluates correctly the initrd file passed as -initrd option. |
| |
| :avocado: tags=arch:x86_64 |
| """ |
| |
| 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() |
| cmd = "%s -kernel %s -initrd %s -m 4096" % ( |
| self.qemu_bin, kernel_path, initrd.name) |
| res = run(cmd, ignore_status=True) |
| self.assertEqual(res.exit_status, 1) |
| expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % ( |
| max_size + 1) |
| self.assertRegex(res.stderr_text, expected_msg) |
| |
| 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_machine('pc') |
| 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") |
