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-rw-r--r--tests/avocado/hotplug_blk.py2
-rw-r--r--tests/avocado/machine_aspeed.py202
-rw-r--r--tests/avocado/tuxrun_baselines.py224
-rw-r--r--tests/functional/meson.build4
-rw-r--r--tests/functional/qemu_test/cmd.py89
-rw-r--r--tests/functional/qemu_test/testcase.py43
-rw-r--r--tests/functional/qemu_test/tuxruntest.py17
-rw-r--r--tests/functional/test_aarch64_aspeed.py98
-rwxr-xr-xtests/functional/test_aarch64_tuxrun.py50
-rwxr-xr-xtests/functional/test_acpi_bits.py57
-rwxr-xr-xtests/functional/test_arm_aspeed.py84
-rwxr-xr-xtests/functional/test_arm_bpim2u.py20
-rwxr-xr-xtests/functional/test_arm_orangepi.py27
-rwxr-xr-xtests/functional/test_m68k_nextcube.py3
-rwxr-xr-xtests/functional/test_mips64el_malta.py4
-rwxr-xr-xtests/functional/test_virtio_gpu.py3
-rw-r--r--tests/qemu-iotests/iotests.py11
-rw-r--r--tests/qemu-iotests/pylintrc1
18 files changed, 370 insertions, 569 deletions
diff --git a/tests/avocado/hotplug_blk.py b/tests/avocado/hotplug_blk.py
index d55ded1c1d..b36bca02ec 100644
--- a/tests/avocado/hotplug_blk.py
+++ b/tests/avocado/hotplug_blk.py
@@ -33,7 +33,7 @@ class HotPlug(LinuxTest):
             'drive': 'disk',
             'id': 'virtio-disk0',
             'bus': 'pci.1',
-            'addr': 1
+            'addr': '1',
         }
 
         self.assert_no_vda()
diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py
deleted file mode 100644
index 241ef180af..0000000000
--- a/tests/avocado/machine_aspeed.py
+++ /dev/null
@@ -1,202 +0,0 @@
-# Functional test that boots the ASPEED SoCs with firmware
-#
-# Copyright (C) 2022 ASPEED Technology Inc
-#
-# 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 time
-import os
-import tempfile
-import subprocess
-
-from avocado_qemu import LinuxSSHMixIn
-from avocado_qemu import QemuSystemTest
-from avocado_qemu import wait_for_console_pattern
-from avocado_qemu import exec_command
-from avocado_qemu import exec_command_and_wait_for_pattern
-from avocado_qemu import interrupt_interactive_console_until_pattern
-from avocado_qemu import has_cmd
-from avocado.utils import archive
-from avocado import skipUnless
-
-class AST2x00MachineSDK(QemuSystemTest, LinuxSSHMixIn):
-
-    EXTRA_BOOTARGS = (
-        'quiet '
-        'systemd.mask=org.openbmc.HostIpmi.service '
-        'systemd.mask=xyz.openbmc_project.Chassis.Control.Power@0.service '
-        'systemd.mask=modprobe@fuse.service '
-        'systemd.mask=rngd.service '
-        'systemd.mask=obmc-console@ttyS2.service '
-    )
-
-    # FIXME: Although these tests boot a whole distro they are still
-    # slower than comparable machine models. There may be some
-    # optimisations which bring down the runtime. In the meantime they
-    # have generous timeouts and are disable for CI which aims for all
-    # tests to run in less than 60 seconds.
-    timeout = 240
-
-    def wait_for_console_pattern(self, success_message, vm=None):
-        wait_for_console_pattern(self, success_message,
-                                 failure_message='Kernel panic - not syncing',
-                                 vm=vm)
-
-    def do_test_arm_aspeed_sdk_start(self, image):
-        self.require_netdev('user')
-        self.vm.set_console()
-        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw',
-                         '-net', 'nic', '-net', 'user,hostfwd=:127.0.0.1:0-:22')
-        self.vm.launch()
-
-        self.wait_for_console_pattern('U-Boot 2019.04')
-        interrupt_interactive_console_until_pattern(
-            self, 'Hit any key to stop autoboot:', 'ast#')
-        exec_command_and_wait_for_pattern(
-            self, 'setenv bootargs ${bootargs} ' + self.EXTRA_BOOTARGS, 'ast#')
-        exec_command_and_wait_for_pattern(
-            self, 'boot', '## Loading kernel from FIT Image')
-        self.wait_for_console_pattern('Starting kernel ...')
-
-    def do_test_aarch64_aspeed_sdk_start(self, image):
-        self.vm.set_console()
-        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw',
-                         '-net', 'nic', '-net', 'user,hostfwd=:127.0.0.1:0-:22')
-
-        self.vm.launch()
-
-        self.wait_for_console_pattern('U-Boot 2023.10')
-        self.wait_for_console_pattern('## Loading kernel from FIT Image')
-        self.wait_for_console_pattern('Starting kernel ...')
-
-    @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab')
-    def test_arm_ast2500_evb_sdk(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:ast2500-evb
-        :avocado: tags=flaky
-        """
-
-        image_url = ('https://github.com/AspeedTech-BMC/openbmc/releases/'
-                     'download/v08.06/ast2500-default-obmc.tar.gz')
-        image_hash = ('e1755f3cadff69190438c688d52dd0f0d399b70a1e14b1d3d5540fc4851d38ca')
-        image_path = self.fetch_asset(image_url, asset_hash=image_hash,
-                                      algorithm='sha256')
-        archive.extract(image_path, self.workdir)
-
-        self.do_test_arm_aspeed_sdk_start(
-            self.workdir + '/ast2500-default/image-bmc')
-        self.wait_for_console_pattern('nodistro.0 ast2500-default ttyS4')
-
-    @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab')
-    def test_arm_ast2600_evb_sdk(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:ast2600-evb
-        :avocado: tags=flaky
-        """
-
-        image_url = ('https://github.com/AspeedTech-BMC/openbmc/releases/'
-                     'download/v08.06/ast2600-a2-obmc.tar.gz')
-        image_hash = ('9083506135f622d5e7351fcf7d4e1c7125cee5ba16141220c0ba88931f3681a4')
-        image_path = self.fetch_asset(image_url, asset_hash=image_hash,
-                                      algorithm='sha256')
-        archive.extract(image_path, self.workdir)
-
-        self.vm.add_args('-device',
-                         'tmp105,bus=aspeed.i2c.bus.5,address=0x4d,id=tmp-test');
-        self.vm.add_args('-device',
-                         'ds1338,bus=aspeed.i2c.bus.5,address=0x32');
-        self.do_test_arm_aspeed_sdk_start(
-            self.workdir + '/ast2600-a2/image-bmc')
-        self.wait_for_console_pattern('nodistro.0 ast2600-a2 ttyS4')
-
-        self.ssh_connect('root', '0penBmc', False)
-        self.ssh_command('dmesg -c > /dev/null')
-
-        self.ssh_command_output_contains(
-             'echo lm75 0x4d > /sys/class/i2c-dev/i2c-5/device/new_device ; '
-             'dmesg -c',
-             'i2c i2c-5: new_device: Instantiated device lm75 at 0x4d');
-        self.ssh_command_output_contains(
-                             'cat /sys/class/hwmon/hwmon19/temp1_input', '0')
-        self.vm.cmd('qom-set', path='/machine/peripheral/tmp-test',
-                    property='temperature', value=18000);
-        self.ssh_command_output_contains(
-                             'cat /sys/class/hwmon/hwmon19/temp1_input', '18000')
-
-        self.ssh_command_output_contains(
-             'echo ds1307 0x32 > /sys/class/i2c-dev/i2c-5/device/new_device ; '
-             'dmesg -c',
-             'i2c i2c-5: new_device: Instantiated device ds1307 at 0x32');
-        year = time.strftime("%Y")
-        self.ssh_command_output_contains('/sbin/hwclock -f /dev/rtc1', year);
-
-    def test_aarch64_ast2700_evb_sdk_v09_02(self):
-        """
-        :avocado: tags=arch:aarch64
-        :avocado: tags=machine:ast2700-evb
-        """
-
-        image_url = ('https://github.com/AspeedTech-BMC/openbmc/releases/'
-                     'download/v09.02/ast2700-default-obmc.tar.gz')
-        image_hash = 'ac969c2602f4e6bdb69562ff466b89ae3fe1d86e1f6797bb7969d787f82116a7'
-        image_path = self.fetch_asset(image_url, asset_hash=image_hash,
-                                      algorithm='sha256')
-        archive.extract(image_path, self.workdir)
-
-        num_cpu = 4
-        image_dir = self.workdir + '/ast2700-default/'
-        uboot_size = os.path.getsize(image_dir + 'u-boot-nodtb.bin')
-        uboot_dtb_load_addr = hex(0x400000000 + uboot_size)
-
-        load_images_list = [
-            {
-                'addr': '0x400000000',
-                'file': image_dir + 'u-boot-nodtb.bin'
-            },
-            {
-                'addr': str(uboot_dtb_load_addr),
-                'file': image_dir + 'u-boot.dtb'
-            },
-            {
-                'addr': '0x430000000',
-                'file': image_dir + 'bl31.bin'
-            },
-            {
-                'addr': '0x430080000',
-                'file': image_dir + 'optee/tee-raw.bin'
-            }
-        ]
-
-        for load_image in load_images_list:
-            addr = load_image['addr']
-            file = load_image['file']
-            self.vm.add_args('-device',
-                             f'loader,force-raw=on,addr={addr},file={file}')
-
-        for i in range(num_cpu):
-            self.vm.add_args('-device',
-                             f'loader,addr=0x430000000,cpu-num={i}')
-
-        self.vm.add_args('-smp', str(num_cpu))
-        self.vm.add_args('-device',
-                         'tmp105,bus=aspeed.i2c.bus.1,address=0x4d,id=tmp-test')
-        self.do_test_aarch64_aspeed_sdk_start(image_dir + 'image-bmc')
-        self.wait_for_console_pattern('nodistro.0 ast2700-default ttyS12')
-
-        self.ssh_connect('root', '0penBmc', False)
-        self.ssh_command('dmesg -c > /dev/null')
-
-        self.ssh_command_output_contains(
-            'echo lm75 0x4d > /sys/class/i2c-dev/i2c-1/device/new_device '
-            '&& dmesg -c',
-            'i2c i2c-1: new_device: Instantiated device lm75 at 0x4d');
-
-        self.ssh_command_output_contains(
-            'cat /sys/class/hwmon/hwmon20/temp1_input', '0')
-        self.vm.cmd('qom-set', path='/machine/peripheral/tmp-test',
-                    property='temperature', value=18000)
-        self.ssh_command_output_contains(
-            'cat /sys/class/hwmon/hwmon20/temp1_input', '18000')
diff --git a/tests/avocado/tuxrun_baselines.py b/tests/avocado/tuxrun_baselines.py
deleted file mode 100644
index 38064840da..0000000000
--- a/tests/avocado/tuxrun_baselines.py
+++ /dev/null
@@ -1,224 +0,0 @@
-# Functional test that boots known good tuxboot images the same way
-# that tuxrun (www.tuxrun.org) does. This tool is used by things like
-# the LKFT project to run regression tests on kernels.
-#
-# Copyright (c) 2023 Linaro Ltd.
-#
-# Author:
-#  Alex Bennée <alex.bennee@linaro.org>
-#
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-import os
-import time
-import tempfile
-
-from avocado import skip, skipUnless
-from avocado_qemu import QemuSystemTest
-from avocado_qemu import exec_command, exec_command_and_wait_for_pattern
-from avocado_qemu import wait_for_console_pattern
-from avocado.utils import process
-from avocado.utils.path import find_command
-
-class TuxRunBaselineTest(QemuSystemTest):
-    """
-    :avocado: tags=accel:tcg
-    """
-
-    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0'
-    # Tests are ~10-40s, allow for --debug/--enable-gcov overhead
-    timeout = 100
-
-    def get_tag(self, tagname, default=None):
-        """
-        Get the metadata tag or return the default.
-        """
-        utag = self._get_unique_tag_val(tagname)
-        print(f"{tagname}/{default} -> {utag}")
-        if utag:
-            return utag
-
-        return default
-
-    def setUp(self):
-        super().setUp()
-
-        # We need zstd for all the tuxrun tests
-        # See https://github.com/avocado-framework/avocado/issues/5609
-        zstd = find_command('zstd', False)
-        if zstd is False:
-            self.cancel('Could not find "zstd", which is required to '
-                        'decompress rootfs')
-        self.zstd = zstd
-
-        # Process the TuxRun specific tags, most machines work with
-        # reasonable defaults but we sometimes need to tweak the
-        # config. To avoid open coding everything we store all these
-        # details in the metadata for each test.
-
-        # The tuxboot tag matches the root directory
-        self.tuxboot = self.get_tag('tuxboot')
-
-        # Most Linux's use ttyS0 for their serial port
-        self.console = self.get_tag('console', "ttyS0")
-
-        # Does the machine shutdown QEMU nicely on "halt"
-        self.shutdown = self.get_tag('shutdown')
-
-        # The name of the kernel Image file
-        self.image = self.get_tag('image', "Image")
-
-        self.root = self.get_tag('root', "vda")
-
-        # Occasionally we need extra devices to hook things up
-        self.extradev = self.get_tag('extradev')
-
-        self.qemu_img = super().get_qemu_img()
-
-    def wait_for_console_pattern(self, success_message, vm=None):
-        wait_for_console_pattern(self, success_message,
-                                 failure_message='Kernel panic - not syncing',
-                                 vm=vm)
-
-    def fetch_tuxrun_assets(self, csums=None, dt=None):
-        """
-        Fetch the TuxBoot assets. They are stored in a standard way so we
-        use the per-test tags to fetch details.
-        """
-        base_url = f"https://storage.tuxboot.com/20230331/{self.tuxboot}/"
-
-        # empty hash if we weren't passed one
-        csums = {} if csums is None else csums
-        ksum = csums.get(self.image, None)
-        isum = csums.get("rootfs.ext4.zst", None)
-
-        kernel_image =  self.fetch_asset(base_url + self.image,
-                                         asset_hash = ksum,
-                                         algorithm = "sha256")
-        disk_image_zst = self.fetch_asset(base_url + "rootfs.ext4.zst",
-                                         asset_hash = isum,
-                                         algorithm = "sha256")
-
-        cmd = f"{self.zstd} -d {disk_image_zst} -o {self.workdir}/rootfs.ext4"
-        process.run(cmd)
-
-        if dt:
-            dsum = csums.get(dt, None)
-            dtb = self.fetch_asset(base_url + dt,
-                                   asset_hash = dsum,
-                                   algorithm = "sha256")
-        else:
-            dtb = None
-
-        return (kernel_image, self.workdir + "/rootfs.ext4", dtb)
-
-    def prepare_run(self, kernel, disk, drive, dtb=None, console_index=0):
-        """
-        Setup to run and add the common parameters to the system
-        """
-        self.vm.set_console(console_index=console_index)
-
-        # all block devices are raw ext4's
-        blockdev = "driver=raw,file.driver=file," \
-            + f"file.filename={disk},node-name=hd0"
-
-        kcmd_line = self.KERNEL_COMMON_COMMAND_LINE
-        kcmd_line += f" root=/dev/{self.root}"
-        kcmd_line += f" console={self.console}"
-
-        self.vm.add_args('-kernel', kernel,
-                         '-append', kcmd_line,
-                         '-blockdev', blockdev)
-
-        # Sometimes we need extra devices attached
-        if self.extradev:
-            self.vm.add_args('-device', self.extradev)
-
-        self.vm.add_args('-device',
-                         f"{drive},drive=hd0")
-
-        # Some machines need an explicit DTB
-        if dtb:
-            self.vm.add_args('-dtb', dtb)
-
-    def run_tuxtest_tests(self, haltmsg):
-        """
-        Wait for the system to boot up, wait for the login prompt and
-        then do a few things on the console. Trigger a shutdown and
-        wait to exit cleanly.
-        """
-        self.wait_for_console_pattern("Welcome to TuxTest")
-        time.sleep(0.2)
-        exec_command(self, 'root')
-        time.sleep(0.2)
-        exec_command(self, 'cat /proc/interrupts')
-        time.sleep(0.1)
-        exec_command(self, 'cat /proc/self/maps')
-        time.sleep(0.1)
-        exec_command(self, 'uname -a')
-        time.sleep(0.1)
-        exec_command_and_wait_for_pattern(self, 'halt', haltmsg)
-
-        # Wait for VM to shut down gracefully if it can
-        if self.shutdown == "nowait":
-            self.vm.shutdown()
-        else:
-            self.vm.wait()
-
-    def common_tuxrun(self,
-                      csums=None,
-                      dt=None,
-                      drive="virtio-blk-device",
-                      haltmsg="reboot: System halted",
-                      console_index=0):
-        """
-        Common path for LKFT tests. Unless we need to do something
-        special with the command line we can process most things using
-        the tag metadata.
-        """
-        (kernel, disk, dtb) = self.fetch_tuxrun_assets(csums, dt)
-
-        self.prepare_run(kernel, disk, drive, dtb, console_index)
-        self.vm.launch()
-        self.run_tuxtest_tests(haltmsg)
-
-
-    #
-    # The tests themselves. The configuration is derived from how
-    # tuxrun invokes qemu (with minor tweaks like using -blockdev
-    # consistently). The tuxrun equivalent is something like:
-    #
-    # tuxrun --device qemu-{ARCH} \
-    #        --kernel https://storage.tuxboot.com/{TUXBOOT}/{IMAGE}
-    #
-
-    def test_arm64(self):
-        """
-        :avocado: tags=arch:aarch64
-        :avocado: tags=cpu:cortex-a57
-        :avocado: tags=machine:virt
-        :avocado: tags=tuxboot:arm64
-        :avocado: tags=console:ttyAMA0
-        :avocado: tags=shutdown:nowait
-        """
-        sums = {"Image" :
-                "ce95a7101a5fecebe0fe630deee6bd97b32ba41bc8754090e9ad8961ea8674c7",
-                "rootfs.ext4.zst" :
-                "bbd5ed4b9c7d3f4ca19ba71a323a843c6b585e880115df3b7765769dbd9dd061"}
-        self.common_tuxrun(csums=sums)
-
-    def test_arm64be(self):
-        """
-        :avocado: tags=arch:aarch64
-        :avocado: tags=cpu:cortex-a57
-        :avocado: tags=endian:big
-        :avocado: tags=machine:virt
-        :avocado: tags=tuxboot:arm64be
-        :avocado: tags=console:ttyAMA0
-        :avocado: tags=shutdown:nowait
-        """
-        sums = { "Image" :
-                 "e0df4425eb2cd9ea9a283e808037f805641c65d8fcecc8f6407d8f4f339561b4",
-                 "rootfs.ext4.zst" :
-                 "e6ffd8813c8a335bc15728f2835f90539c84be7f8f5f691a8b01451b47fb4bd7"}
-        self.common_tuxrun(csums=sums)
diff --git a/tests/functional/meson.build b/tests/functional/meson.build
index 758145d1e5..d6d2c0196c 100644
--- a/tests/functional/meson.build
+++ b/tests/functional/meson.build
@@ -11,9 +11,11 @@ endif
 
 # Timeouts for individual tests that can be slow e.g. with debugging enabled
 test_timeouts = {
+  'aarch64_aspeed' : 600,
   'aarch64_raspi4' : 480,
   'aarch64_sbsaref_alpine' : 720,
   'aarch64_sbsaref_freebsd' : 720,
+  'aarch64_tuxrun' : 240,
   'aarch64_virt' : 720,
   'acpi_bits' : 420,
   'arm_aspeed' : 600,
@@ -47,11 +49,13 @@ tests_generic_bsduser = [
 ]
 
 tests_aarch64_system_thorough = [
+  'aarch64_aspeed',
   'aarch64_raspi3',
   'aarch64_raspi4',
   'aarch64_sbsaref',
   'aarch64_sbsaref_alpine',
   'aarch64_sbsaref_freebsd',
+  'aarch64_tuxrun',
   'aarch64_virt',
   'multiprocess',
 ]
diff --git a/tests/functional/qemu_test/cmd.py b/tests/functional/qemu_test/cmd.py
index cbabb1ceed..11c8334a7c 100644
--- a/tests/functional/qemu_test/cmd.py
+++ b/tests/functional/qemu_test/cmd.py
@@ -78,13 +78,77 @@ def run_cmd(args):
 def is_readable_executable_file(path):
     return os.path.isfile(path) and os.access(path, os.R_OK | os.X_OK)
 
+# @test: functional test to fail if @failure is seen
+# @vm: the VM whose console to process
+# @success: a non-None string to look for
+# @failure: a string to look for that triggers test failure, or None
+#
+# Read up to 1 line of text from @vm, looking for @success
+# and optionally @failure.
+#
+# If @success or @failure are seen, immediately return True,
+# even if end of line is not yet seen. ie remainder of the
+# line is left unread.
+#
+# If end of line is seen, with neither @success or @failure
+# return False
+#
+# If @failure is seen, then mark @test as failed
+def _console_read_line_until_match(test, vm, success, failure):
+    msg = bytes([])
+    done = False
+    while True:
+        c = vm.console_socket.recv(1)
+        if c is None:
+            done = True
+            test.fail(
+                f"EOF in console, expected '{success}'")
+            break
+        msg += c
+
+        if success in msg:
+            done = True
+            break
+        if failure and failure in msg:
+            done = True
+            vm.console_socket.close()
+            test.fail(
+                f"'{failure}' found in console, expected '{success}'")
+
+        if c == b'\n':
+            break
+
+    console_logger = logging.getLogger('console')
+    try:
+        console_logger.debug(msg.decode().strip())
+    except:
+        console_logger.debug(msg)
+
+    return done
+
 def _console_interaction(test, success_message, failure_message,
                          send_string, keep_sending=False, vm=None):
     assert not keep_sending or send_string
+    assert success_message or send_string
+
     if vm is None:
         vm = test.vm
-    console = vm.console_file
-    console_logger = logging.getLogger('console')
+
+    test.log.debug(
+        f"Console interaction: success_msg='{success_message}' " +
+        f"failure_msg='{failure_message}' send_string='{send_string}'")
+
+    # We'll process console in bytes, to avoid having to
+    # deal with unicode decode errors from receiving
+    # partial utf8 byte sequences
+    success_message_b = None
+    if success_message is not None:
+        success_message_b = success_message.encode()
+
+    failure_message_b = None
+    if failure_message is not None:
+        failure_message_b = failure_message.encode()
+
     while True:
         if send_string:
             vm.console_socket.sendall(send_string.encode())
@@ -92,25 +156,15 @@ def _console_interaction(test, success_message, failure_message,
                 send_string = None # send only once
 
         # Only consume console output if waiting for something
-        if success_message is None and failure_message is None:
+        if success_message is None:
             if send_string is None:
                 break
             continue
 
-        try:
-            msg = console.readline().decode().strip()
-        except UnicodeDecodeError:
-            msg = None
-        if not msg:
-            continue
-        console_logger.debug(msg)
-        if success_message is None or success_message in msg:
+        if _console_read_line_until_match(test, vm,
+                                          success_message_b,
+                                          failure_message_b):
             break
-        if failure_message and failure_message in msg:
-            console.close()
-            fail = 'Failure message found in console: "%s". Expected: "%s"' % \
-                    (failure_message, success_message)
-            test.fail(fail)
 
 def interrupt_interactive_console_until_pattern(test, success_message,
                                                 failure_message=None,
@@ -135,6 +189,7 @@ def interrupt_interactive_console_until_pattern(test, success_message,
     :param interrupt_string: a string to send to the console before trying
                              to read a new line
     """
+    assert success_message
     _console_interaction(test, success_message, failure_message,
                          interrupt_string, True)
 
@@ -149,6 +204,7 @@ def wait_for_console_pattern(test, success_message, failure_message=None,
     :param success_message: if this message appears, test succeeds
     :param failure_message: if this message appears, test fails
     """
+    assert success_message
     _console_interaction(test, success_message, failure_message, None, vm=vm)
 
 def exec_command(test, command):
@@ -177,6 +233,7 @@ def exec_command_and_wait_for_pattern(test, command,
     :param success_message: if this message appears, test succeeds
     :param failure_message: if this message appears, test fails
     """
+    assert success_message
     _console_interaction(test, success_message, failure_message, command + '\r')
 
 def get_qemu_img(test):
diff --git a/tests/functional/qemu_test/testcase.py b/tests/functional/qemu_test/testcase.py
index 411978b5ef..90ae59eb54 100644
--- a/tests/functional/qemu_test/testcase.py
+++ b/tests/functional/qemu_test/testcase.py
@@ -13,8 +13,9 @@
 
 import logging
 import os
-import subprocess
 import pycotap
+import shutil
+import subprocess
 import sys
 import unittest
 import uuid
@@ -40,11 +41,12 @@ class QemuBaseTest(unittest.TestCase):
         self.assertIsNotNone(self.qemu_bin, 'QEMU_TEST_QEMU_BINARY must be set')
         self.arch = self.qemu_bin.split('-')[-1]
 
-        self.workdir = os.path.join(BUILD_DIR, 'tests/functional', self.arch,
-                                    self.id())
+        self.outputdir = os.path.join(BUILD_DIR, 'tests', 'functional',
+                                      self.arch, self.id())
+        self.workdir = os.path.join(self.outputdir, 'scratch')
         os.makedirs(self.workdir, exist_ok=True)
 
-        self.logdir = self.workdir
+        self.logdir = self.outputdir
         self.log_filename = os.path.join(self.logdir, 'base.log')
         self.log = logging.getLogger('qemu-test')
         self.log.setLevel(logging.DEBUG)
@@ -55,7 +57,15 @@ class QemuBaseTest(unittest.TestCase):
         self._log_fh.setFormatter(fileFormatter)
         self.log.addHandler(self._log_fh)
 
+        # Capture QEMUMachine logging
+        self.machinelog = logging.getLogger('qemu.machine')
+        self.machinelog.setLevel(logging.DEBUG)
+        self.machinelog.addHandler(self._log_fh)
+
     def tearDown(self):
+        if "QEMU_TEST_KEEP_SCRATCH" not in os.environ:
+            shutil.rmtree(self.workdir)
+        self.machinelog.removeHandler(self._log_fh)
         self.log.removeHandler(self._log_fh)
 
     def main():
@@ -71,10 +81,12 @@ class QemuBaseTest(unittest.TestCase):
         res = unittest.main(module = None, testRunner = tr, exit = False,
                             argv=["__dummy__", path])
         for (test, message) in res.result.errors + res.result.failures:
-            print('More information on ' + test.id() + ' could be found here:'
-                  '\n %s' % test.log_filename, file=sys.stderr)
-            if hasattr(test, 'console_log_name'):
-                print(' %s' % test.console_log_name, file=sys.stderr)
+
+            if hasattr(test, "log_filename"):
+                print('More information on ' + test.id() + ' could be found here:'
+                      '\n %s' % test.log_filename, file=sys.stderr)
+                if hasattr(test, 'console_log_name'):
+                    print(' %s' % test.console_log_name, file=sys.stderr)
         sys.exit(not res.result.wasSuccessful())
 
 
@@ -108,7 +120,7 @@ class QemuSystemTest(QemuBaseTest):
 
         console_log = logging.getLogger('console')
         console_log.setLevel(logging.DEBUG)
-        self.console_log_name = os.path.join(self.workdir, 'console.log')
+        self.console_log_name = os.path.join(self.logdir, 'console.log')
         self._console_log_fh = logging.FileHandler(self.console_log_name,
                                                    mode='w')
         self._console_log_fh.setLevel(logging.DEBUG)
@@ -159,10 +171,19 @@ class QemuSystemTest(QemuBaseTest):
             self.skipTest('no support for device ' + devicename)
 
     def _new_vm(self, name, *args):
-        vm = QEMUMachine(self.qemu_bin, base_temp_dir=self.workdir)
+        vm = QEMUMachine(self.qemu_bin,
+                         name=name,
+                         base_temp_dir=self.workdir,
+                         log_dir=self.logdir)
         self.log.debug('QEMUMachine "%s" created', name)
         self.log.debug('QEMUMachine "%s" temp_dir: %s', name, vm.temp_dir)
-        self.log.debug('QEMUMachine "%s" log_dir: %s', name, vm.log_dir)
+
+        sockpath = os.environ.get("QEMU_TEST_QMP_BACKDOOR", None)
+        if sockpath is not None:
+            vm.add_args("-chardev",
+                        f"socket,id=backdoor,path={sockpath},server=on,wait=off",
+                        "-mon", "chardev=backdoor,mode=control")
+
         if args:
             vm.add_args(*args)
         return vm
diff --git a/tests/functional/qemu_test/tuxruntest.py b/tests/functional/qemu_test/tuxruntest.py
index f05aa96ad7..ab3b27da43 100644
--- a/tests/functional/qemu_test/tuxruntest.py
+++ b/tests/functional/qemu_test/tuxruntest.py
@@ -39,7 +39,6 @@ class TuxRunBaselineTest(QemuSystemTest):
         super().setUp()
 
         # We need zstd for all the tuxrun tests
-        # See https://github.com/avocado-framework/avocado/issues/5609
         (has_zstd, msg) = has_cmd('zstd')
         if has_zstd is False:
             self.skipTest(msg)
@@ -125,16 +124,12 @@ class TuxRunBaselineTest(QemuSystemTest):
         then do a few things on the console. Trigger a shutdown and
         wait to exit cleanly.
         """
-        self.wait_for_console_pattern("Welcome to TuxTest")
-        time.sleep(0.2)
-        exec_command(self, 'root')
-        time.sleep(0.2)
-        exec_command(self, 'cat /proc/interrupts')
-        time.sleep(0.1)
-        exec_command(self, 'cat /proc/self/maps')
-        time.sleep(0.1)
-        exec_command(self, 'uname -a')
-        time.sleep(0.1)
+        ps1='root@tuxtest:~#'
+        self.wait_for_console_pattern('tuxtest login:')
+        exec_command_and_wait_for_pattern(self, 'root', ps1)
+        exec_command_and_wait_for_pattern(self, 'cat /proc/interrupts', ps1)
+        exec_command_and_wait_for_pattern(self, 'cat /proc/self/maps', ps1)
+        exec_command_and_wait_for_pattern(self, 'uname -a', ps1)
         exec_command_and_wait_for_pattern(self, 'halt', haltmsg)
 
         # Wait for VM to shut down gracefully if it can
diff --git a/tests/functional/test_aarch64_aspeed.py b/tests/functional/test_aarch64_aspeed.py
new file mode 100644
index 0000000000..59916efd71
--- /dev/null
+++ b/tests/functional/test_aarch64_aspeed.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots the ASPEED SoCs with firmware
+#
+# Copyright (C) 2022 ASPEED Technology Inc
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import sys
+import os
+
+from qemu_test import QemuSystemTest, Asset
+from qemu_test import wait_for_console_pattern
+from qemu_test import exec_command_and_wait_for_pattern
+from qemu_test.utils import archive_extract
+
+class AST2x00MachineSDK(QemuSystemTest):
+
+    def do_test_aarch64_aspeed_sdk_start(self, image):
+        self.require_netdev('user')
+        self.vm.set_console()
+        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw',
+                         '-net', 'nic', '-net', 'user', '-snapshot')
+
+        self.vm.launch()
+
+        wait_for_console_pattern(self, 'U-Boot 2023.10')
+        wait_for_console_pattern(self, '## Loading kernel from FIT Image')
+        wait_for_console_pattern(self, 'Starting kernel ...')
+
+    ASSET_SDK_V902_AST2700 = Asset(
+            'https://github.com/AspeedTech-BMC/openbmc/releases/download/v09.02/ast2700-default-obmc.tar.gz',
+            'ac969c2602f4e6bdb69562ff466b89ae3fe1d86e1f6797bb7969d787f82116a7')
+
+    def test_aarch64_ast2700_evb_sdk_v09_02(self):
+        self.set_machine('ast2700-evb')
+
+        image_path = self.ASSET_SDK_V902_AST2700.fetch()
+        archive_extract(image_path, self.workdir)
+
+        num_cpu = 4
+        image_dir = self.workdir + '/ast2700-default/'
+        uboot_size = os.path.getsize(image_dir + 'u-boot-nodtb.bin')
+        uboot_dtb_load_addr = hex(0x400000000 + uboot_size)
+
+        load_images_list = [
+            {
+                'addr': '0x400000000',
+                'file': image_dir + 'u-boot-nodtb.bin'
+            },
+            {
+                'addr': str(uboot_dtb_load_addr),
+                'file': image_dir + 'u-boot.dtb'
+            },
+            {
+                'addr': '0x430000000',
+                'file': image_dir + 'bl31.bin'
+            },
+            {
+                'addr': '0x430080000',
+                'file': image_dir + 'optee/tee-raw.bin'
+            }
+        ]
+
+        for load_image in load_images_list:
+            addr = load_image['addr']
+            file = load_image['file']
+            self.vm.add_args('-device',
+                             f'loader,force-raw=on,addr={addr},file={file}')
+
+        for i in range(num_cpu):
+            self.vm.add_args('-device',
+                             f'loader,addr=0x430000000,cpu-num={i}')
+
+        self.vm.add_args('-smp', str(num_cpu))
+        self.vm.add_args('-device',
+                         'tmp105,bus=aspeed.i2c.bus.1,address=0x4d,id=tmp-test')
+        self.do_test_aarch64_aspeed_sdk_start(image_dir + 'image-bmc')
+
+        wait_for_console_pattern(self, 'ast2700-default login:')
+
+        exec_command_and_wait_for_pattern(self, 'root', 'Password:')
+        exec_command_and_wait_for_pattern(self,
+            '0penBmc', 'root@ast2700-default:~#')
+
+        exec_command_and_wait_for_pattern(self,
+            'echo lm75 0x4d > /sys/class/i2c-dev/i2c-1/device/new_device ',
+            'i2c i2c-1: new_device: Instantiated device lm75 at 0x4d');
+        exec_command_and_wait_for_pattern(self,
+            'cat /sys/class/hwmon/hwmon20/temp1_input', '0')
+        self.vm.cmd('qom-set', path='/machine/peripheral/tmp-test',
+                    property='temperature', value=18000)
+        exec_command_and_wait_for_pattern(self,
+            'cat /sys/class/hwmon/hwmon20/temp1_input', '18000')
+
+
+if __name__ == '__main__':
+    QemuSystemTest.main()
diff --git a/tests/functional/test_aarch64_tuxrun.py b/tests/functional/test_aarch64_tuxrun.py
new file mode 100755
index 0000000000..75adc8acb8
--- /dev/null
+++ b/tests/functional/test_aarch64_tuxrun.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+#
+# Functional test that boots known good tuxboot images the same way
+# that tuxrun (www.tuxrun.org) does. This tool is used by things like
+# the LKFT project to run regression tests on kernels.
+#
+# Copyright (c) 2023 Linaro Ltd.
+#
+# Author:
+#  Alex Bennée <alex.bennee@linaro.org>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+from qemu_test import Asset
+from qemu_test.tuxruntest import TuxRunBaselineTest
+
+class TuxRunAarch64Test(TuxRunBaselineTest):
+
+    ASSET_ARM64_KERNEL = Asset(
+        'https://storage.tuxboot.com/buildroot/20241119/arm64/Image',
+        'b74743c5e89e1cea0f73368d24ae0ae85c5204ff84be3b5e9610417417d2f235')
+    ASSET_ARM64_ROOTFS = Asset(
+        'https://storage.tuxboot.com/buildroot/20241119/arm64/rootfs.ext4.zst',
+        'a1acaaae2068df4648d04ff75f532aaa8c5edcd6b936122b6f0db4848a07b465')
+
+    def test_arm64(self):
+        self.set_machine('virt')
+        self.cpu='cortex-a57'
+        self.console='ttyAMA0'
+        self.wait_for_shutdown=False
+        self.common_tuxrun(kernel_asset=self.ASSET_ARM64_KERNEL,
+                           rootfs_asset=self.ASSET_ARM64_ROOTFS)
+
+    ASSET_ARM64BE_KERNEL = Asset(
+        'https://storage.tuxboot.com/buildroot/20241119/arm64be/Image',
+        'fd6af4f16689d17a2c24fe0053cc212edcdf77abdcaf301800b8d38fa9f6e109')
+    ASSET_ARM64BE_ROOTFS = Asset(
+        'https://storage.tuxboot.com/buildroot/20241119/arm64be/rootfs.ext4.zst',
+        'f5e9371b62701aab8dead52592ca7488c8a9e255c9be8d7635c7f30f477c2c21')
+
+    def test_arm64be(self):
+        self.set_machine('virt')
+        self.cpu='cortex-a57'
+        self.console='ttyAMA0'
+        self.wait_for_shutdown=False
+        self.common_tuxrun(kernel_asset=self.ASSET_ARM64BE_KERNEL,
+                           rootfs_asset=self.ASSET_ARM64BE_ROOTFS)
+
+if __name__ == '__main__':
+    TuxRunBaselineTest.main()
diff --git a/tests/functional/test_acpi_bits.py b/tests/functional/test_acpi_bits.py
index ee40647d5b..3498b96787 100755
--- a/tests/functional/test_acpi_bits.py
+++ b/tests/functional/test_acpi_bits.py
@@ -150,7 +150,6 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._vm = None
-        self._workDir = None
         self._baseDir = None
 
         self._debugcon_addr = '0x403'
@@ -169,7 +168,7 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
         config_file = 'bits-cfg.txt'
         bits_config_dir = os.path.join(self._baseDir, 'acpi-bits',
                                        'bits-config')
-        target_config_dir = os.path.join(self._workDir,
+        target_config_dir = os.path.join(self.workdir,
                                          'bits-%d' %self.BITS_INTERNAL_VER,
                                          'boot')
         self.assertTrue(os.path.exists(bits_config_dir))
@@ -186,7 +185,7 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
 
         bits_test_dir = os.path.join(self._baseDir, 'acpi-bits',
                                      'bits-tests')
-        target_test_dir = os.path.join(self._workDir,
+        target_test_dir = os.path.join(self.workdir,
                                        'bits-%d' %self.BITS_INTERNAL_VER,
                                        'boot', 'python')
 
@@ -196,11 +195,12 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
         for filename in os.listdir(bits_test_dir):
             if os.path.isfile(os.path.join(bits_test_dir, filename)) and \
                filename.endswith('.py2'):
-                # all test scripts are named with extension .py2 so that
-                # avocado does not try to load them. These scripts are
-                # written for python 2.7 not python 3 and hence if avocado
-                # loaded them, it would complain about python 3 specific
-                # syntaxes.
+                # All test scripts are named with extension .py2 so that
+                # they are not run by accident.
+                #
+                # These scripts are intended to run inside the test VM
+                # and are written for python 2.7 not python 3, hence
+                # would cause syntax errors if loaded ouside the VM.
                 newfilename = os.path.splitext(filename)[0] + '.py'
                 shutil.copy2(os.path.join(bits_test_dir, filename),
                              os.path.join(target_test_dir, newfilename))
@@ -224,8 +224,8 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
             the directory where we have extracted our pre-built bits grub
             tarball.
         """
-        grub_x86_64_mods = os.path.join(self._workDir, 'grub-inst-x86_64-efi')
-        grub_i386_mods = os.path.join(self._workDir, 'grub-inst')
+        grub_x86_64_mods = os.path.join(self.workdir, 'grub-inst-x86_64-efi')
+        grub_i386_mods = os.path.join(self.workdir, 'grub-inst')
 
         self.assertTrue(os.path.exists(grub_x86_64_mods))
         self.assertTrue(os.path.exists(grub_i386_mods))
@@ -246,11 +246,11 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
         """ Uses grub-mkrescue to generate a fresh bits iso with the python
             test scripts
         """
-        bits_dir = os.path.join(self._workDir,
+        bits_dir = os.path.join(self.workdir,
                                 'bits-%d' %self.BITS_INTERNAL_VER)
-        iso_file = os.path.join(self._workDir,
+        iso_file = os.path.join(self.workdir,
                                 'bits-%d.iso' %self.BITS_INTERNAL_VER)
-        mkrescue_script = os.path.join(self._workDir,
+        mkrescue_script = os.path.join(self.workdir,
                                        'grub-inst-x86_64-efi', 'bin',
                                        'grub-mkrescue')
 
@@ -289,17 +289,7 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
 
         self._baseDir = Path(__file__).parent
 
-        # workdir could also be avocado's own workdir in self.workdir.
-        # At present, I prefer to maintain my own temporary working
-        # directory. It gives us more control over the generated bits
-        # log files and also for debugging, we may chose not to remove
-        # this working directory so that the logs and iso can be
-        # inspected manually and archived if needed.
-        self._workDir = tempfile.mkdtemp(prefix='acpi-bits-',
-                                         suffix='.tmp')
-        self.logger.info('working dir: %s', self._workDir)
-
-        prebuiltDir = os.path.join(self._workDir, 'prebuilt')
+        prebuiltDir = os.path.join(self.workdir, 'prebuilt')
         if not os.path.isdir(prebuiltDir):
             os.mkdir(prebuiltDir, mode=0o775)
 
@@ -320,10 +310,10 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
 
         # extract the bits software in the temp working directory
         with zipfile.ZipFile(bits_zip_file, 'r') as zref:
-            zref.extractall(self._workDir)
+            zref.extractall(self.workdir)
 
         with tarfile.open(grub_tar_file, 'r', encoding='utf-8') as tarball:
-            tarball.extractall(self._workDir)
+            tarball.extractall(self.workdir)
 
         self.copy_test_scripts()
         self.copy_bits_config()
@@ -333,7 +323,7 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
         """parse the log generated by running bits tests and
            check for failures.
         """
-        debugconf = os.path.join(self._workDir, self._debugcon_log)
+        debugconf = os.path.join(self.workdir, self._debugcon_log)
         log = ""
         with open(debugconf, 'r', encoding='utf-8') as filehandle:
             log = filehandle.read()
@@ -359,25 +349,18 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
         """
         if self._vm:
             self.assertFalse(not self._vm.is_running)
-        if not os.getenv('BITS_DEBUG') and self._workDir:
-            self.logger.info('removing the work directory %s', self._workDir)
-            shutil.rmtree(self._workDir)
-        else:
-            self.logger.info('not removing the work directory %s ' \
-                             'as BITS_DEBUG is ' \
-                             'passed in the environment', self._workDir)
         super().tearDown()
 
     def test_acpi_smbios_bits(self):
         """The main test case implementation."""
 
-        iso_file = os.path.join(self._workDir,
+        iso_file = os.path.join(self.workdir,
                                 'bits-%d.iso' %self.BITS_INTERNAL_VER)
 
         self.assertTrue(os.access(iso_file, os.R_OK))
 
         self._vm = QEMUBitsMachine(binary=self.qemu_bin,
-                                   base_temp_dir=self._workDir,
+                                   base_temp_dir=self.workdir,
                                    debugcon_log=self._debugcon_log,
                                    debugcon_addr=self._debugcon_addr)
 
@@ -399,8 +382,6 @@ class AcpiBitsTest(QemuBaseTest): #pylint: disable=too-many-instance-attributes
 
         # biosbits has been configured to run all the specified test suites
         # in batch mode and then automatically initiate a vm shutdown.
-        # Set timeout to BITS_TIMEOUT for SHUTDOWN event from bits VM at par
-        # with the avocado test timeout.
         self._vm.event_wait('SHUTDOWN', timeout=BITS_TIMEOUT)
         self._vm.wait(timeout=None)
         self.logger.debug("Checking console output ...")
diff --git a/tests/functional/test_arm_aspeed.py b/tests/functional/test_arm_aspeed.py
index 5fb1adf464..d88170ac24 100755
--- a/tests/functional/test_arm_aspeed.py
+++ b/tests/functional/test_arm_aspeed.py
@@ -14,7 +14,6 @@ import tempfile
 from qemu_test import LinuxKernelTest, Asset
 from qemu_test import exec_command_and_wait_for_pattern
 from qemu_test import interrupt_interactive_console_until_pattern
-from qemu_test import exec_command
 from qemu_test import has_cmd
 from qemu_test.utils import archive_extract
 from zipfile import ZipFile
@@ -136,10 +135,8 @@ class AST2x00Machine(LinuxKernelTest):
         self.wait_for_console_pattern('lease of 10.0.2.15')
         # the line before login:
         self.wait_for_console_pattern(pattern)
-        time.sleep(0.1)
-        exec_command(self, 'root')
-        time.sleep(0.1)
-        exec_command(self, "passw0rd")
+        exec_command_and_wait_for_pattern(self, 'root', 'Password:')
+        exec_command_and_wait_for_pattern(self, 'passw0rd', '#')
 
     def do_test_arm_aspeed_buildroot_poweroff(self):
         exec_command_and_wait_for_pattern(self, 'poweroff',
@@ -158,7 +155,7 @@ class AST2x00Machine(LinuxKernelTest):
         self.vm.add_args('-device',
                          'tmp105,bus=aspeed.i2c.bus.3,address=0x4d,id=tmp-test');
         self.do_test_arm_aspeed_buildroot_start(image_path, '0x0',
-                                                'Aspeed AST2500 EVB')
+                                                'ast2500-evb login:')
 
         exec_command_and_wait_for_pattern(self,
              'echo lm75 0x4d > /sys/class/i2c-dev/i2c-3/device/new_device',
@@ -188,7 +185,8 @@ class AST2x00Machine(LinuxKernelTest):
                          'ds1338,bus=aspeed.i2c.bus.3,address=0x32');
         self.vm.add_args('-device',
                          'i2c-echo,bus=aspeed.i2c.bus.3,address=0x42');
-        self.do_test_arm_aspeed_buildroot_start(image_path, '0xf00', 'Aspeed AST2600 EVB')
+        self.do_test_arm_aspeed_buildroot_start(image_path, '0xf00',
+                                                'ast2600-evb login:')
 
         exec_command_and_wait_for_pattern(self,
              'echo lm75 0x4d > /sys/class/i2c-dev/i2c-3/device/new_device',
@@ -209,8 +207,8 @@ class AST2x00Machine(LinuxKernelTest):
         exec_command_and_wait_for_pattern(self,
              'echo slave-24c02 0x1064 > /sys/bus/i2c/devices/i2c-3/new_device',
              'i2c i2c-3: new_device: Instantiated device slave-24c02 at 0x64');
-        exec_command(self, 'i2cset -y 3 0x42 0x64 0x00 0xaa i');
-        time.sleep(0.1)
+        exec_command_and_wait_for_pattern(self,
+             'i2cset -y 3 0x42 0x64 0x00 0xaa i', '#');
         exec_command_and_wait_for_pattern(self,
              'hexdump /sys/bus/i2c/devices/3-1064/slave-eeprom',
              '0000000 ffaa ffff ffff ffff ffff ffff ffff ffff');
@@ -252,6 +250,74 @@ class AST2x00Machine(LinuxKernelTest):
 
         self.do_test_arm_aspeed_buildroot_poweroff()
 
+    def do_test_arm_aspeed_sdk_start(self, image):
+        self.require_netdev('user')
+        self.vm.set_console()
+        self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw',
+                         '-net', 'nic', '-net', 'user', '-snapshot')
+        self.vm.launch()
+
+        self.wait_for_console_pattern('U-Boot 2019.04')
+        self.wait_for_console_pattern('## Loading kernel from FIT Image')
+        self.wait_for_console_pattern('Starting kernel ...')
+
+    ASSET_SDK_V806_AST2500 = Asset(
+        'https://github.com/AspeedTech-BMC/openbmc/releases/download/v08.06/ast2500-default-obmc.tar.gz',
+        'e1755f3cadff69190438c688d52dd0f0d399b70a1e14b1d3d5540fc4851d38ca')
+
+    def test_arm_ast2500_evb_sdk(self):
+        self.set_machine('ast2500-evb')
+
+        image_path = self.ASSET_SDK_V806_AST2500.fetch()
+
+        archive_extract(image_path, self.workdir)
+
+        self.do_test_arm_aspeed_sdk_start(
+            self.workdir + '/ast2500-default/image-bmc')
+
+        self.wait_for_console_pattern('ast2500-default login:')
+
+    ASSET_SDK_V806_AST2600_A2 = Asset(
+        'https://github.com/AspeedTech-BMC/openbmc/releases/download/v08.06/ast2600-a2-obmc.tar.gz',
+        '9083506135f622d5e7351fcf7d4e1c7125cee5ba16141220c0ba88931f3681a4')
+
+    def test_arm_ast2600_evb_sdk(self):
+        self.set_machine('ast2600-evb')
+
+        image_path = self.ASSET_SDK_V806_AST2600_A2.fetch()
+
+        archive_extract(image_path, self.workdir)
+
+        self.vm.add_args('-device',
+            'tmp105,bus=aspeed.i2c.bus.5,address=0x4d,id=tmp-test');
+        self.vm.add_args('-device',
+            'ds1338,bus=aspeed.i2c.bus.5,address=0x32');
+        self.do_test_arm_aspeed_sdk_start(
+            self.workdir + '/ast2600-a2/image-bmc')
+
+        self.wait_for_console_pattern('ast2600-a2 login:')
+
+        exec_command_and_wait_for_pattern(self, 'root', 'Password:')
+        exec_command_and_wait_for_pattern(self, '0penBmc', 'root@ast2600-a2:~#')
+
+        exec_command_and_wait_for_pattern(self,
+            'echo lm75 0x4d > /sys/class/i2c-dev/i2c-5/device/new_device',
+            'i2c i2c-5: new_device: Instantiated device lm75 at 0x4d');
+        exec_command_and_wait_for_pattern(self,
+             'cat /sys/class/hwmon/hwmon19/temp1_input', '0')
+        self.vm.cmd('qom-set', path='/machine/peripheral/tmp-test',
+                    property='temperature', value=18000);
+        exec_command_and_wait_for_pattern(self,
+             'cat /sys/class/hwmon/hwmon19/temp1_input', '18000')
+
+        exec_command_and_wait_for_pattern(self,
+             'echo ds1307 0x32 > /sys/class/i2c-dev/i2c-5/device/new_device',
+             'i2c i2c-5: new_device: Instantiated device ds1307 at 0x32');
+        year = time.strftime("%Y")
+        exec_command_and_wait_for_pattern(self,
+             '/sbin/hwclock -f /dev/rtc1', year);
+
+
 class AST2x00MachineMMC(LinuxKernelTest):
 
     ASSET_RAINIER_EMMC = Asset(
diff --git a/tests/functional/test_arm_bpim2u.py b/tests/functional/test_arm_bpim2u.py
index 2f9fa145e3..35ea58d46c 100755
--- a/tests/functional/test_arm_bpim2u.py
+++ b/tests/functional/test_arm_bpim2u.py
@@ -37,11 +37,6 @@ class BananaPiMachine(LinuxKernelTest):
         '5b41b4e11423e562c6011640f9a7cd3bdd0a3d42b83430f7caa70a432e6cd82c')
 
     def test_arm_bpim2u(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:bpim2u
-        :avocado: tags=accel:tcg
-        """
         self.set_machine('bpim2u')
         deb_path = self.ASSET_DEB.fetch()
         kernel_path = self.extract_from_deb(deb_path,
@@ -64,11 +59,6 @@ class BananaPiMachine(LinuxKernelTest):
         os.remove(dtb_path)
 
     def test_arm_bpim2u_initrd(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=accel:tcg
-        :avocado: tags=machine:bpim2u
-        """
         self.set_machine('bpim2u')
         deb_path = self.ASSET_DEB.fetch()
         kernel_path = self.extract_from_deb(deb_path,
@@ -105,11 +95,6 @@ class BananaPiMachine(LinuxKernelTest):
         os.remove(initrd_path)
 
     def test_arm_bpim2u_gmac(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:bpim2u
-        :avocado: tags=device:sd
-        """
         self.set_machine('bpim2u')
         self.require_netdev('user')
 
@@ -160,11 +145,6 @@ class BananaPiMachine(LinuxKernelTest):
 
     @skipUnless(os.getenv('QEMU_TEST_ALLOW_LARGE_STORAGE'), 'storage limited')
     def test_arm_bpim2u_openwrt_22_03_3(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:bpim2u
-        :avocado: tags=device:sd
-        """
         self.set_machine('bpim2u')
         # This test download a 8.9 MiB compressed image and expand it
         # to 127 MiB.
diff --git a/tests/functional/test_arm_orangepi.py b/tests/functional/test_arm_orangepi.py
index d2ed5fcc82..6d57223a03 100755
--- a/tests/functional/test_arm_orangepi.py
+++ b/tests/functional/test_arm_orangepi.py
@@ -49,11 +49,6 @@ class BananaPiMachine(LinuxKernelTest):
         '20d3e07dc057e15c12452620e90ecab2047f0f7940d9cba8182ebc795927177f')
 
     def test_arm_orangepi(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:orangepi-pc
-        :avocado: tags=accel:tcg
-        """
         self.set_machine('orangepi-pc')
         deb_path = self.ASSET_DEB.fetch()
         kernel_path = self.extract_from_deb(deb_path,
@@ -75,11 +70,6 @@ class BananaPiMachine(LinuxKernelTest):
         os.remove(dtb_path)
 
     def test_arm_orangepi_initrd(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=accel:tcg
-        :avocado: tags=machine:orangepi-pc
-        """
         self.set_machine('orangepi-pc')
         deb_path = self.ASSET_DEB.fetch()
         kernel_path = self.extract_from_deb(deb_path,
@@ -115,12 +105,6 @@ class BananaPiMachine(LinuxKernelTest):
         os.remove(initrd_path)
 
     def test_arm_orangepi_sd(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=accel:tcg
-        :avocado: tags=machine:orangepi-pc
-        :avocado: tags=device:sd
-        """
         self.set_machine('orangepi-pc')
         self.require_netdev('user')
         deb_path = self.ASSET_DEB.fetch()
@@ -167,11 +151,6 @@ class BananaPiMachine(LinuxKernelTest):
 
     @skipUnless(os.getenv('QEMU_TEST_ALLOW_LARGE_STORAGE'), 'storage limited')
     def test_arm_orangepi_armbian(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:orangepi-pc
-        :avocado: tags=device:sd
-        """
         self.set_machine('orangepi-pc')
         # This test download a 275 MiB compressed image and expand it
         # to 1036 MiB, but the underlying filesystem is 1552 MiB...
@@ -208,12 +187,6 @@ class BananaPiMachine(LinuxKernelTest):
 
     @skipUnless(os.getenv('QEMU_TEST_ALLOW_LARGE_STORAGE'), 'storage limited')
     def test_arm_orangepi_uboot_netbsd9(self):
-        """
-        :avocado: tags=arch:arm
-        :avocado: tags=machine:orangepi-pc
-        :avocado: tags=device:sd
-        :avocado: tags=os:netbsd
-        """
         self.set_machine('orangepi-pc')
         # This test download a 304MB compressed image and expand it to 2GB
         deb_path = self.ASSET_UBOOT.fetch()
diff --git a/tests/functional/test_m68k_nextcube.py b/tests/functional/test_m68k_nextcube.py
index 89385a134a..0124622c40 100755
--- a/tests/functional/test_m68k_nextcube.py
+++ b/tests/functional/test_m68k_nextcube.py
@@ -37,8 +37,7 @@ class NextCubeMachine(QemuSystemTest):
         self.vm.launch()
 
         self.log.info('VM launched, waiting for display')
-        # TODO: Use avocado.utils.wait.wait_for to catch the
-        #       'displaysurface_create 1120x832' trace-event.
+        # TODO: wait for the 'displaysurface_create 1120x832' trace-event.
         time.sleep(2)
 
         self.vm.cmd('human-monitor-command',
diff --git a/tests/functional/test_mips64el_malta.py b/tests/functional/test_mips64el_malta.py
index 6c6355b131..6d1195d362 100755
--- a/tests/functional/test_mips64el_malta.py
+++ b/tests/functional/test_mips64el_malta.py
@@ -129,7 +129,7 @@ class MaltaMachineFramebuffer(LinuxKernelTest):
         screendump_path = os.path.join(self.workdir, 'screendump.pbm')
 
         kernel_path_gz = self.ASSET_KERNEL_4_7_0.fetch()
-        kernel_path = self.workdir + "vmlinux"
+        kernel_path = self.workdir + "/vmlinux"
         gzip_uncompress(kernel_path_gz, kernel_path)
 
         tuxlogo_path = self.ASSET_TUXLOGO.fetch()
@@ -159,7 +159,7 @@ class MaltaMachineFramebuffer(LinuxKernelTest):
         loc = np.where(result >= match_threshold)
         tuxlogo_count = 0
         h, w = tuxlogo_bgr.shape[:2]
-        debug_png = os.getenv('AVOCADO_CV2_SCREENDUMP_PNG_PATH')
+        debug_png = os.getenv('QEMU_TEST_CV2_SCREENDUMP_PNG_PATH')
         for tuxlogo_count, pt in enumerate(zip(*loc[::-1]), start=1):
             logger.debug('found Tux at position (x, y) = %s', pt)
             cv2.rectangle(screendump_bgr, pt,
diff --git a/tests/functional/test_virtio_gpu.py b/tests/functional/test_virtio_gpu.py
index 441cbdcf2d..d5027487ac 100755
--- a/tests/functional/test_virtio_gpu.py
+++ b/tests/functional/test_virtio_gpu.py
@@ -80,9 +80,8 @@ class VirtioGPUx86(QemuSystemTest):
 
         self.wait_for_console_pattern("as init process")
         exec_command_and_wait_for_pattern(
-            self, "/usr/sbin/modprobe virtio_gpu", ""
+            self, "/usr/sbin/modprobe virtio_gpu", "features: +virgl +edid"
         )
-        self.wait_for_console_pattern("features: +virgl +edid")
 
     def test_vhost_user_vga_virgl(self):
         # FIXME: should check presence of vhost-user-gpu, virgl, memfd etc
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index ea48af4a7b..19817c7353 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -1614,10 +1614,13 @@ class ReproducibleStreamWrapper:
         self.stream.write(arg)
 
 class ReproducibleTestRunner(unittest.TextTestRunner):
-    def __init__(self, stream: Optional[TextIO] = None,
-                 resultclass: Type[unittest.TestResult] =
-                 ReproducibleTestResult,
-                 **kwargs: Any) -> None:
+    def __init__(
+        self,
+        stream: Optional[TextIO] = None,
+        resultclass: Type[unittest.TextTestResult] =
+        ReproducibleTestResult,
+        **kwargs: Any
+    ) -> None:
         rstream = ReproducibleStreamWrapper(stream or sys.stdout)
         super().__init__(stream=rstream,           # type: ignore
                          descriptions=True,
diff --git a/tests/qemu-iotests/pylintrc b/tests/qemu-iotests/pylintrc
index 05b75ee59b..c5f4833e45 100644
--- a/tests/qemu-iotests/pylintrc
+++ b/tests/qemu-iotests/pylintrc
@@ -13,6 +13,7 @@ disable=invalid-name,
         no-else-return,
         too-few-public-methods,
         too-many-arguments,
+        too-many-positional-arguments,
         too-many-branches,
         too-many-lines,
         too-many-locals,