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Re: [PATCH] tests: Boot and halt a Linux guest on the Raspberry Pi 2 mac

From: Wainer dos Santos Moschetta
Subject: Re: [PATCH] tests: Boot and halt a Linux guest on the Raspberry Pi 2 machine
Date: Mon, 31 May 2021 16:26:07 -0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 

On 5/31/21 8:38 AM, Philippe Mathieu-Daudé wrote:

Add a test booting and quickly shutdown a raspi2 machine,
to test the power management model:

    (1/1) 
tests/acceptance/boot_linux_console.py:BootLinuxConsole.test_arm_raspi2_initrd:
   console: [    0.000000] Booting Linux on physical CPU 0xf00
   console: [    0.000000] Linux version 4.14.98-v7+ (dom@dom-XPS-13-9370) (gcc 
version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1200 SMP Tue Feb 
12 20:27:48 GMT 2019
   console: [    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), 
cr=10c5387d
   console: [    0.000000] CPU: div instructions available: patching division 
code
   console: [    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT 
aliasing instruction cache
   console: [    0.000000] OF: fdt: Machine model: Raspberry Pi 2 Model B
   ...
   console: Boot successful.
   console: cat /proc/cpuinfo
   console: / # cat /proc/cpuinfo
   ...
   console: processor      : 3
   console: model name     : ARMv7 Processor rev 5 (v7l)
   console: BogoMIPS       : 125.00
   console: Features       : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 
idiva idivt vfpd32 lpae evtstrm
   console: CPU implementer        : 0x41
   console: CPU architecture: 7
   console: CPU variant    : 0x0
   console: CPU part       : 0xc07
   console: CPU revision   : 5
   console: Hardware       : BCM2835
   console: Revision       : 0000
   console: Serial         : 0000000000000000
   console: cat /proc/iomem
   console: / # cat /proc/iomem
   console: 00000000-3bffffff : System RAM
   console: 00008000-00afffff : Kernel code
   console: 00c00000-00d468ef : Kernel data
   console: 3f006000-3f006fff : dwc_otg
   console: 3f007000-3f007eff : /soc/dma@7e007000
   console: 3f00b880-3f00b8bf : /soc/mailbox@7e00b880
   console: 3f100000-3f100027 : /soc/watchdog@7e100000
   console: 3f101000-3f102fff : /soc/cprman@7e101000
   console: 3f200000-3f2000b3 : /soc/gpio@7e200000
   PASS (24.59 s)
   RESULTS    : PASS 1 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0 | 
CANCEL 0
   JOB TIME   : 25.02 s

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
Based-on: <162137039825.30884.2445825798240809194-0@git.sr.ht>
---
  tests/acceptance/boot_linux_console.py | 43 ++++++++++++++++++++++++++
  1 file changed, 43 insertions(+)
Even though I did not patch my sources with the fix, I ran the test and it failed on the VM's shutdown (as expected, I suppose). The test code looks good to me, so: 

Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>



diff --git a/tests/acceptance/boot_linux_console.py 
b/tests/acceptance/boot_linux_console.py
index 276a53f1464..19d328203c7 100644
--- a/tests/acceptance/boot_linux_console.py
+++ b/tests/acceptance/boot_linux_console.py
@@ -16,6 +16,7 @@
  from avocado import skip
  from avocado import skipUnless
  from avocado_qemu import Test
+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 wait_for_console_pattern
@@ -467,6 +468,48 @@ def test_arm_raspi2_uart0(self):
          """
          self.do_test_arm_raspi2(0)
+ def test_arm_raspi2_initrd(self): 
+        """
+        :avocado: tags=arch:arm
+        :avocado: tags=machine:raspi2
+        """
+        deb_url = ('http://archive.raspberrypi.org/debian/'
+                   'pool/main/r/raspberrypi-firmware/'
+                   'raspberrypi-kernel_1.20190215-1_armhf.deb')
+        deb_hash = 'cd284220b32128c5084037553db3c482426f3972'
+        deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
+        kernel_path = self.extract_from_deb(deb_path, '/boot/kernel7.img')
+        dtb_path = self.extract_from_deb(deb_path, '/boot/bcm2709-rpi-2-b.dtb')
+
+        initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
+                      '2eb0a73b5d5a28df3170c546ddaaa9757e1e0848/rootfs/'
+                      'arm/rootfs-armv7a.cpio.gz')
+        initrd_hash = '604b2e45cdf35045846b8bbfbf2129b1891bdc9c'
+        initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
+        initrd_path = os.path.join(self.workdir, 'rootfs.cpio')
+        archive.gzip_uncompress(initrd_path_gz, initrd_path)
+
+        self.vm.set_console()
+        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
+                               'earlycon=pl011,0x3f201000 console=ttyAMA0 '
+                               'panic=-1 noreboot ' +
+                               'dwc_otg.fiq_fsm_enable=0')
+        self.vm.add_args('-kernel', kernel_path,
+                         '-dtb', dtb_path,
+                         '-initrd', initrd_path,
+                         '-append', kernel_command_line,
+                         '-no-reboot')
+        self.vm.launch()
+        self.wait_for_console_pattern('Boot successful.')
+
+        exec_command_and_wait_for_pattern(self, 'cat /proc/cpuinfo',
+                                                'BCM2835')
+        exec_command_and_wait_for_pattern(self, 'cat /proc/iomem',
+                                                '/soc/cprman@7e101000')
+        exec_command(self, 'halt')
+        # Wait for VM to shut down gracefully
+        self.vm.wait()
+
      def test_arm_exynos4210_initrd(self):
          """
          :avocado: tags=arch:arm
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