Commit 8f1c89ec authored by Li Zhijian's avatar Li Zhijian Committed by Cleber Rosa
Browse files

Acceptance tests: expect boot to extract 2GiB+ initrd with linux-v4.16 



XLF_CAN_BE_LOADED_ABOVE_4G is set on vmlinuz shipped by Fedora-28 so that
it's allowed to be loaded below 4 GB address.

timeout is updated to 5 minutes as well since we need more time to load a
large initrd to the guest

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: default avatarLi Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: default avatarWainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: default avatarCleber Rosa <crosa@redhat.com>
Message-Id: <1548638112-31101-2-git-send-email-lizhijian@cn.fujitsu.com>
Signed-off-by: default avatarCleber Rosa <crosa@redhat.com>
parent 3c7156fd

tests/acceptance/linux_initrd.py

+36 −1
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
# 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
@@ -21,7 +22,7 @@ class LinuxInitrd(Test): 
    :avocado: tags=x86_64

    """



    timeout = 60

    timeout = 300



    def test_with_2gib_file_should_exit_error_msg_with_linux_v3_6(self):

        """
@@ -47,3 +48,37 @@ class LinuxInitrd(Test): 
            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://mirrors.kernel.org/fedora/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")