# 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 os import logging import tempfile from avocado_qemu import Test from avocado import skipIf class LinuxInitrd(Test): """ 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")