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# 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 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=x86_64
"""
timeout = 60
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)
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