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QEMU have already supported to load up to 4G initrd if the sepcified memory is enough and XLF_CAN_BE_LOADED_ABOVE_4G is set by guest kernel linux-3.6 kernel shipped by Fedora-18 cannot support xldflags so that it cannot support loading more than 2GiB initrd CC: Wainer dos Santos Moschetta <wainersm@redhat.com> CC: Caio Carrara <ccarrara@redhat.com> CC: Cleber Rosa <crosa@redhat.com> CC: Eduardo Habkost <ehabkost@redhat.com> CC: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Message-Id: <1548638112-31101-1-git-send-email-lizhijian@cn.fujitsu.com> Signed-off-by: Cleber Rosa <crosa@redhat.com>
50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
# Linux initrd acceptance test.
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#
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# Copyright (c) 2018 Red Hat, Inc.
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#
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# Author:
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# Wainer dos Santos Moschetta <wainersm@redhat.com>
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#
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# This work is licensed under the terms of the GNU GPL, version 2 or
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# later. See the COPYING file in the top-level directory.
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import tempfile
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from avocado.utils.process import run
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from avocado_qemu import Test
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class LinuxInitrd(Test):
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"""
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Checks QEMU evaluates correctly the initrd file passed as -initrd option.
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:avocado: tags=x86_64
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"""
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timeout = 60
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def test_with_2gib_file_should_exit_error_msg_with_linux_v3_6(self):
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"""
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Pretends to boot QEMU with an initrd file with size of 2GiB
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and expect it exits with error message.
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Fedora-18 shipped with linux-3.6 which have not supported xloadflags
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cannot support more than 2GiB initrd.
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"""
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kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora/li'
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'nux/releases/18/Fedora/x86_64/os/images/pxeboot/vmlinuz')
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kernel_hash = '41464f68efe42b9991250bed86c7081d2ccdbb21'
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kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
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max_size = 2 * (1024 ** 3) - 1
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with tempfile.NamedTemporaryFile() as initrd:
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initrd.seek(max_size)
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initrd.write(b'\0')
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initrd.flush()
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cmd = "%s -kernel %s -initrd %s -m 4096" % (
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self.qemu_bin, kernel_path, initrd.name)
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res = run(cmd, ignore_status=True)
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self.assertEqual(res.exit_status, 1)
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expected_msg = r'.*initrd is too large.*max: \d+, need %s.*' % (
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max_size + 1)
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self.assertRegex(res.stderr_text, expected_msg)
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