tests/avocado/replay_kernel.py

   1 # Record/replay test that boots a Linux kernel
   2 #
   3 # Copyright (c) 2020 ISP RAS
   4 #
   5 # Author:
   6 #  Pavel Dovgalyuk <[email protected]>
   7 #
   8 # This work is licensed under the terms of the GNU GPL, version 2 or
   9 # later.  See the COPYING file in the top-level directory.
  10
  11 import os
  12 import lzma
  13 import shutil
  14 import logging
  15 import time
  16
  17 from avocado import skip
  18 from avocado import skipIf
  19 from avocado import skipUnless
  20 from avocado_qemu import wait_for_console_pattern
  21 from avocado.utils import archive
  22 from avocado.utils import process
  23 from boot_linux_console import LinuxKernelTest
  24
  25 class ReplayKernelBase(LinuxKernelTest):
  26     """
  27     Boots a Linux kernel in record mode and checks that the console
  28     is operational and the kernel command line is properly passed
  29     from QEMU to the kernel.
  30     Then replays the same scenario and verifies, that QEMU correctly
  31     terminates.
  32     """
  33
  34     timeout = 120
  35     KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
  36
  37     def run_vm(self, kernel_path, kernel_command_line, console_pattern,
  38                record, shift, args, replay_path):
  39         # icount requires TCG to be available
  40         self.require_accelerator('tcg')
  41
  42         logger = logging.getLogger('replay')
  43         start_time = time.time()
  44         vm = self.get_vm()
  45         vm.set_console()
  46         if record:
  47             logger.info('recording the execution...')
  48             mode = 'record'
  49         else:
  50             logger.info('replaying the execution...')
  51             mode = 'replay'
  52         vm.add_args('-icount', 'shift=%s,rr=%s,rrfile=%s' %
  53                     (shift, mode, replay_path),
  54                     '-kernel', kernel_path,
  55                     '-append', kernel_command_line,
  56                     '-net', 'none',
  57                     '-no-reboot')
  58         if args:
  59             vm.add_args(*args)
  60         vm.launch()
  61         self.wait_for_console_pattern(console_pattern, vm)
  62         if record:
  63             vm.shutdown()
  64             logger.info('finished the recording with log size %s bytes'
  65                         % os.path.getsize(replay_path))
  66         else:
  67             vm.wait()
  68             logger.info('successfully finished the replay')
  69         elapsed = time.time() - start_time
  70         logger.info('elapsed time %.2f sec' % elapsed)
  71         return elapsed
  72
  73     def run_rr(self, kernel_path, kernel_command_line, console_pattern,
  74                shift=7, args=None):
  75         replay_path = os.path.join(self.workdir, 'replay.bin')
  76         t1 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
  77                          True, shift, args, replay_path)
  78         t2 = self.run_vm(kernel_path, kernel_command_line, console_pattern,
  79                          False, shift, args, replay_path)
  80         logger = logging.getLogger('replay')
  81         logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))
  82
  83 class ReplayKernelNormal(ReplayKernelBase):
  84     @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
  85     def test_x86_64_pc(self):
  86         """
  87         :avocado: tags=arch:x86_64
  88         :avocado: tags=machine:pc
  89         """
  90         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
  91                       '/linux/releases/29/Everything/x86_64/os/images/pxeboot'
  92                       '/vmlinuz')
  93         kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
  94         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
  95
  96         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
  97         console_pattern = 'VFS: Cannot open root device'
  98
  99         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 100
 101     def test_mips_malta(self):
 102         """
 103         :avocado: tags=arch:mips
 104         :avocado: tags=machine:malta
 105         :avocado: tags=endian:big
 106         """
 107         deb_url = ('http://snapshot.debian.org/archive/debian/'
 108                    '20130217T032700Z/pool/main/l/linux-2.6/'
 109                    'linux-image-2.6.32-5-4kc-malta_2.6.32-48_mips.deb')
 110         deb_hash = 'a8cfc28ad8f45f54811fc6cf74fc43ffcfe0ba04'
 111         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 112         kernel_path = self.extract_from_deb(deb_path,
 113                                             '/boot/vmlinux-2.6.32-5-4kc-malta')
 114         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 115         console_pattern = 'Kernel command line: %s' % kernel_command_line
 116
 117         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 118
 119     def test_mips64el_malta(self):
 120         """
 121         This test requires the ar tool to extract "data.tar.gz" from
 122         the Debian package.
 123
 124         The kernel can be rebuilt using this Debian kernel source [1] and
 125         following the instructions on [2].
 126
 127         [1] http://snapshot.debian.org/package/linux-2.6/2.6.32-48/
 128             #linux-source-2.6.32_2.6.32-48
 129         [2] https://kernel-team.pages.debian.net/kernel-handbook/
 130             ch-common-tasks.html#s-common-official
 131
 132         :avocado: tags=arch:mips64el
 133         :avocado: tags=machine:malta
 134         """
 135         deb_url = ('http://snapshot.debian.org/archive/debian/'
 136                    '20130217T032700Z/pool/main/l/linux-2.6/'
 137                    'linux-image-2.6.32-5-5kc-malta_2.6.32-48_mipsel.deb')
 138         deb_hash = '1aaec92083bf22fda31e0d27fa8d9a388e5fc3d5'
 139         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 140         kernel_path = self.extract_from_deb(deb_path,
 141                                             '/boot/vmlinux-2.6.32-5-5kc-malta')
 142         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 143         console_pattern = 'Kernel command line: %s' % kernel_command_line
 144         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 145
 146     def test_aarch64_virt(self):
 147         """
 148         :avocado: tags=arch:aarch64
 149         :avocado: tags=machine:virt
 150         :avocado: tags=cpu:cortex-a53
 151         """
 152         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
 153                       '/linux/releases/29/Everything/aarch64/os/images/pxeboot'
 154                       '/vmlinuz')
 155         kernel_hash = '8c73e469fc6ea06a58dc83a628fc695b693b8493'
 156         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 157
 158         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 159                                'console=ttyAMA0')
 160         console_pattern = 'VFS: Cannot open root device'
 161
 162         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 163
 164     def test_arm_virt(self):
 165         """
 166         :avocado: tags=arch:arm
 167         :avocado: tags=machine:virt
 168         """
 169         kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
 170                       '/linux/releases/29/Everything/armhfp/os/images/pxeboot'
 171                       '/vmlinuz')
 172         kernel_hash = 'e9826d741b4fb04cadba8d4824d1ed3b7fb8b4d4'
 173         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 174
 175         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 176                                'console=ttyAMA0')
 177         console_pattern = 'VFS: Cannot open root device'
 178
 179         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1)
 180
 181     @skipIf(os.getenv('GITLAB_CI'), 'Running on GitLab')
 182     def test_arm_cubieboard_initrd(self):
 183         """
 184         :avocado: tags=arch:arm
 185         :avocado: tags=machine:cubieboard
 186         """
 187         deb_url = ('https://apt.armbian.com/pool/main/l/'
 188                    'linux-5.10.16-sunxi/linux-image-current-sunxi_21.02.2_armhf.deb')
 189         deb_hash = '9fa84beda245cabf0b4fa84cf6eaa7738ead1da0'
 190         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 191         kernel_path = self.extract_from_deb(deb_path,
 192                                             '/boot/vmlinuz-5.10.16-sunxi')
 193         dtb_path = '/usr/lib/linux-image-current-sunxi/sun4i-a10-cubieboard.dtb'
 194         dtb_path = self.extract_from_deb(deb_path, dtb_path)
 195         initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
 196                       '2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/'
 197                       'arm/rootfs-armv5.cpio.gz')
 198         initrd_hash = '2b50f1873e113523967806f4da2afe385462ff9b'
 199         initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
 200         initrd_path = os.path.join(self.workdir, 'rootfs.cpio')
 201         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 202
 203         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 204                                'console=ttyS0,115200 '
 205                                'usbcore.nousb '
 206                                'panic=-1 noreboot')
 207         console_pattern = 'Boot successful.'
 208         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=1,
 209                     args=('-dtb', dtb_path,
 210                           '-initrd', initrd_path,
 211                           '-no-reboot'))
 212
 213     def test_s390x_s390_ccw_virtio(self):
 214         """
 215         :avocado: tags=arch:s390x
 216         :avocado: tags=machine:s390-ccw-virtio
 217         """
 218         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
 219                       '/fedora-secondary/releases/29/Everything/s390x/os/images'
 220                       '/kernel.img')
 221         kernel_hash = 'e8e8439103ef8053418ef062644ffd46a7919313'
 222         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 223
 224         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=sclp0'
 225         console_pattern = 'Kernel command line: %s' % kernel_command_line
 226         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=9)
 227
 228     def test_alpha_clipper(self):
 229         """
 230         :avocado: tags=arch:alpha
 231         :avocado: tags=machine:clipper
 232         """
 233         kernel_url = ('http://archive.debian.org/debian/dists/lenny/main/'
 234                       'installer-alpha/20090123lenny10/images/cdrom/vmlinuz')
 235         kernel_hash = '3a943149335529e2ed3e74d0d787b85fb5671ba3'
 236         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 237
 238         uncompressed_kernel = archive.uncompress(kernel_path, self.workdir)
 239
 240         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
 241         console_pattern = 'Kernel command line: %s' % kernel_command_line
 242         self.run_rr(uncompressed_kernel, kernel_command_line, console_pattern, shift=9,
 243             args=('-nodefaults', ))
 244
 245     def test_ppc64_pseries(self):
 246         """
 247         :avocado: tags=arch:ppc64
 248         :avocado: tags=machine:pseries
 249         :avocado: tags=accel:tcg
 250         """
 251         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
 252                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
 253                       '/ppc/ppc64/vmlinuz')
 254         kernel_hash = '3fe04abfc852b66653b8c3c897a59a689270bc77'
 255         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 256
 257         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=hvc0'
 258         # icount is not good enough for PPC64 for complete boot yet
 259         console_pattern = 'Kernel command line: %s' % kernel_command_line
 260         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 261
 262     def test_m68k_q800(self):
 263         """
 264         :avocado: tags=arch:m68k
 265         :avocado: tags=machine:q800
 266         """
 267         deb_url = ('https://snapshot.debian.org/archive/debian-ports'
 268                    '/20191021T083923Z/pool-m68k/main'
 269                    '/l/linux/kernel-image-5.3.0-1-m68k-di_5.3.7-1_m68k.udeb')
 270         deb_hash = '044954bb9be4160a3ce81f8bc1b5e856b75cccd1'
 271         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 272         kernel_path = self.extract_from_deb(deb_path,
 273                                             '/boot/vmlinux-5.3.0-1-m68k')
 274
 275         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 276                                'console=ttyS0 vga=off')
 277         console_pattern = 'No filesystem could mount root'
 278         self.run_rr(kernel_path, kernel_command_line, console_pattern)
 279
 280     def do_test_advcal_2018(self, file_path, kernel_name, args=None):
 281         archive.extract(file_path, self.workdir)
 282
 283         for entry in os.scandir(self.workdir):
 284             if entry.name.startswith('day') and entry.is_dir():
 285                 kernel_path = os.path.join(entry.path, kernel_name)
 286                 break
 287
 288         kernel_command_line = ''
 289         console_pattern = 'QEMU advent calendar'
 290         self.run_rr(kernel_path, kernel_command_line, console_pattern,
 291                     args=args)
 292
 293     def test_arm_vexpressa9(self):
 294         """
 295         :avocado: tags=arch:arm
 296         :avocado: tags=machine:vexpress-a9
 297         """
 298         tar_hash = '32b7677ce8b6f1471fb0059865f451169934245b'
 299         tar_url = ('https://qemu-advcal.gitlab.io'
 300                    '/qac-best-of-multiarch/download/day16.tar.xz')
 301         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 302         dtb_path = self.workdir + '/day16/vexpress-v2p-ca9.dtb'
 303         self.do_test_advcal_2018(file_path, 'winter.zImage',
 304                                  args=('-dtb', dtb_path))
 305
 306     def test_m68k_mcf5208evb(self):
 307         """
 308         :avocado: tags=arch:m68k
 309         :avocado: tags=machine:mcf5208evb
 310         """
 311         tar_hash = 'ac688fd00561a2b6ce1359f9ff6aa2b98c9a570c'
 312         tar_url = ('https://qemu-advcal.gitlab.io'
 313                    '/qac-best-of-multiarch/download/day07.tar.xz')
 314         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 315         self.do_test_advcal_2018(file_path, 'sanity-clause.elf')
 316
 317     @skip("Test currently broken") # Console stuck as of 5.2-rc1
 318     def test_microblaze_s3adsp1800(self):
 319         """
 320         :avocado: tags=arch:microblaze
 321         :avocado: tags=machine:petalogix-s3adsp1800
 322         """
 323         tar_hash = '08bf3e3bfb6b6c7ce1e54ab65d54e189f2caf13f'
 324         tar_url = ('https://qemu-advcal.gitlab.io'
 325                    '/qac-best-of-multiarch/download/day17.tar.xz')
 326         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 327         self.do_test_advcal_2018(file_path, 'ballerina.bin')
 328
 329     def test_ppc64_e500(self):
 330         """
 331         :avocado: tags=arch:ppc64
 332         :avocado: tags=machine:ppce500
 333         :avocado: tags=cpu:e5500
 334         """
 335         tar_hash = '6951d86d644b302898da2fd701739c9406527fe1'
 336         tar_url = ('https://qemu-advcal.gitlab.io'
 337                    '/qac-best-of-multiarch/download/day19.tar.xz')
 338         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 339         self.do_test_advcal_2018(file_path, 'uImage')
 340
 341     def test_or1k_sim(self):
 342         """
 343         :avocado: tags=arch:or1k
 344         :avocado: tags=machine:or1k-sim
 345         """
 346         tar_hash = '20334cdaf386108c530ff0badaecc955693027dd'
 347         tar_url = ('https://qemu-advcal.gitlab.io'
 348                    '/qac-best-of-multiarch/download/day20.tar.xz')
 349         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 350         self.do_test_advcal_2018(file_path, 'vmlinux')
 351
 352     def test_nios2_10m50(self):
 353         """
 354         :avocado: tags=arch:nios2
 355         :avocado: tags=machine:10m50-ghrd
 356         """
 357         tar_hash = 'e4251141726c412ac0407c5a6bceefbbff018918'
 358         tar_url = ('https://qemu-advcal.gitlab.io'
 359                    '/qac-best-of-multiarch/download/day14.tar.xz')
 360         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 361         self.do_test_advcal_2018(file_path, 'vmlinux.elf')
 362
 363     def test_ppc_g3beige(self):
 364         """
 365         :avocado: tags=arch:ppc
 366         :avocado: tags=machine:g3beige
 367         """
 368         tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
 369         tar_url = ('https://qemu-advcal.gitlab.io'
 370                    '/qac-best-of-multiarch/download/day15.tar.xz')
 371         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 372         self.do_test_advcal_2018(file_path, 'invaders.elf',
 373                                  args=('-M', 'graphics=off'))
 374
 375     def test_ppc_mac99(self):
 376         """
 377         :avocado: tags=arch:ppc
 378         :avocado: tags=machine:mac99
 379         """
 380         tar_hash = 'e0b872a5eb8fdc5bed19bd43ffe863900ebcedfc'
 381         tar_url = ('https://qemu-advcal.gitlab.io'
 382                    '/qac-best-of-multiarch/download/day15.tar.xz')
 383         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 384         self.do_test_advcal_2018(file_path, 'invaders.elf',
 385                                  args=('-M', 'graphics=off'))
 386
 387     def test_sparc_ss20(self):
 388         """
 389         :avocado: tags=arch:sparc
 390         :avocado: tags=machine:SS-20
 391         """
 392         tar_hash = 'b18550d5d61c7615d989a06edace051017726a9f'
 393         tar_url = ('https://qemu-advcal.gitlab.io'
 394                    '/qac-best-of-multiarch/download/day11.tar.xz')
 395         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 396         self.do_test_advcal_2018(file_path, 'zImage.elf')
 397
 398     def test_xtensa_lx60(self):
 399         """
 400         :avocado: tags=arch:xtensa
 401         :avocado: tags=machine:lx60
 402         :avocado: tags=cpu:dc233c
 403         """
 404         tar_hash = '49e88d9933742f0164b60839886c9739cb7a0d34'
 405         tar_url = ('https://qemu-advcal.gitlab.io'
 406                    '/qac-best-of-multiarch/download/day02.tar.xz')
 407         file_path = self.fetch_asset(tar_url, asset_hash=tar_hash)
 408         self.do_test_advcal_2018(file_path, 'santas-sleigh-ride.elf')
 409
 410 @skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
 411 class ReplayKernelSlow(ReplayKernelBase):
 412     # Override the timeout, because this kernel includes an inner
 413     # loop which is executed with TB recompilings during replay,
 414     # making it very slow.
 415     timeout = 180
 416
 417     def test_mips_malta_cpio(self):
 418         """
 419         :avocado: tags=arch:mips
 420         :avocado: tags=machine:malta
 421         :avocado: tags=endian:big
 422         :avocado: tags=slowness:high
 423         """
 424         deb_url = ('http://snapshot.debian.org/archive/debian/'
 425                    '20160601T041800Z/pool/main/l/linux/'
 426                    'linux-image-4.5.0-2-4kc-malta_4.5.5-1_mips.deb')
 427         deb_hash = 'a3c84f3e88b54e06107d65a410d1d1e8e0f340f8'
 428         deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
 429         kernel_path = self.extract_from_deb(deb_path,
 430                                             '/boot/vmlinux-4.5.0-2-4kc-malta')
 431         initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
 432                       '8584a59ed9e5eb5ee7ca91f6d74bbb06619205b8/rootfs/'
 433                       'mips/rootfs.cpio.gz')
 434         initrd_hash = 'bf806e17009360a866bf537f6de66590de349a99'
 435         initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
 436         initrd_path = self.workdir + "rootfs.cpio"
 437         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 438
 439         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 440                                'console=ttyS0 console=tty '
 441                                'rdinit=/sbin/init noreboot')
 442         console_pattern = 'Boot successful.'
 443         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5,
 444                     args=('-initrd', initrd_path))
 445
 446     @skipUnless(os.getenv('AVOCADO_ALLOW_UNTRUSTED_CODE'), 'untrusted code')
 447     def test_mips64el_malta_5KEc_cpio(self):
 448         """
 449         :avocado: tags=arch:mips64el
 450         :avocado: tags=machine:malta
 451         :avocado: tags=endian:little
 452         :avocado: tags=slowness:high
 453         :avocado: tags=cpu:5KEc
 454         """
 455         kernel_url = ('https://github.com/philmd/qemu-testing-blob/'
 456                       'raw/9ad2df38/mips/malta/mips64el/'
 457                       'vmlinux-3.19.3.mtoman.20150408')
 458         kernel_hash = '00d1d268fb9f7d8beda1de6bebcc46e884d71754'
 459         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 460         initrd_url = ('https://github.com/groeck/linux-build-test/'
 461                       'raw/8584a59e/rootfs/'
 462                       'mipsel64/rootfs.mipsel64r1.cpio.gz')
 463         initrd_hash = '1dbb8a396e916847325284dbe2151167'
 464         initrd_path_gz = self.fetch_asset(initrd_url, algorithm='md5',
 465                                           asset_hash=initrd_hash)
 466         initrd_path = self.workdir + "rootfs.cpio"
 467         archive.gzip_uncompress(initrd_path_gz, initrd_path)
 468
 469         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 470                                'console=ttyS0 console=tty '
 471                                'rdinit=/sbin/init noreboot')
 472         console_pattern = 'Boot successful.'
 473         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5,
 474                     args=('-initrd', initrd_path))
 475
 476     def do_test_mips_malta32el_nanomips(self, kernel_path_xz):
 477         kernel_path = self.workdir + "kernel"
 478         with lzma.open(kernel_path_xz, 'rb') as f_in:
 479             with open(kernel_path, 'wb') as f_out:
 480                 shutil.copyfileobj(f_in, f_out)
 481
 482         kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
 483                                'mem=256m@@0x0 '
 484                                'console=ttyS0')
 485         console_pattern = 'Kernel command line: %s' % kernel_command_line
 486         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 487
 488     def test_mips_malta32el_nanomips_4k(self):
 489         """
 490         :avocado: tags=arch:mipsel
 491         :avocado: tags=machine:malta
 492         :avocado: tags=endian:little
 493         :avocado: tags=cpu:I7200
 494         """
 495         kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
 496                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 497                       'generic_nano32r6el_page4k.xz')
 498         kernel_hash = '477456aafd2a0f1ddc9482727f20fe9575565dd6'
 499         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 500         self.do_test_mips_malta32el_nanomips(kernel_path_xz)
 501
 502     def test_mips_malta32el_nanomips_16k_up(self):
 503         """
 504         :avocado: tags=arch:mipsel
 505         :avocado: tags=machine:malta
 506         :avocado: tags=endian:little
 507         :avocado: tags=cpu:I7200
 508         """
 509         kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
 510                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 511                       'generic_nano32r6el_page16k_up.xz')
 512         kernel_hash = 'e882868f944c71c816e832e2303b7874d044a7bc'
 513         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 514         self.do_test_mips_malta32el_nanomips(kernel_path_xz)
 515
 516     def test_mips_malta32el_nanomips_64k_dbg(self):
 517         """
 518         :avocado: tags=arch:mipsel
 519         :avocado: tags=machine:malta
 520         :avocado: tags=endian:little
 521         :avocado: tags=cpu:I7200
 522         """
 523         kernel_url = ('https://mipsdistros.mips.com/LinuxDistro/nanomips/'
 524                       'kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/'
 525                       'generic_nano32r6el_page64k_dbg.xz')
 526         kernel_hash = '18d1c68f2e23429e266ca39ba5349ccd0aeb7180'
 527         kernel_path_xz = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 528         self.do_test_mips_malta32el_nanomips(kernel_path_xz)