Re: [PATCH 18/19] tests/boot_linux_console: Boot Linux and run few commands on raspi3

[Cleber Rosa <crosa@redhat.com>]

On Thu, Sep 26, 2019 at 07:34:26PM +0200, Philippe Mathieu-Daudé wrote:
> Add a test which boots Linux and run basic commands using the serial
> port console.
> 
> The kernel image is built by the Debian project:
> https://wiki.debian.org/RaspberryPi
> 
> The DeviceTree blob comes from the official Raspberry Pi project:
> https://www.raspberrypi.org/
> 
> The cpio image used comes from the linux-build-test project:
> https://github.com/groeck/linux-build-test
> 
> This test can be run using:
> 
>   $ avocado run --show=console,app run -t machine:raspi3 tests/acceptance
>   console: [    0.000000] Linux version 4.14.0-3-arm64 (debian-kernel@lists.debian.org) (gcc version 7.2.0 (Debian 7.2.0-18)) #1 SMP Debian 4.14.12-2 (2018-01-06)
>   console: [    0.000000] Boot CPU: AArch64 Processor [410fd034]
>   console: [    0.000000] Machine model: Raspberry Pi 3 Model B
>   console: [    0.000000] earlycon: pl11 at MMIO 0x000000003f201000 (options '')
>   console: [    0.000000] bootconsole [pl11] enabled
>   [...]
>   console: Starting network: OK
>   console: Found console ttyAMA0
>   console: Boot successful.
>   console: / # cat /proc/cpuinfo
>   console: processor      : 0
>   console: BogoMIPS       : 125.00
>   console: r      : 0x41
>   console: CPU architecture: 8
>   console: CPU variant
>   console: : 0x0
>   console: CPU part       : 0xd03
>   console: CPU revision   : 4
>   console: / # uname -a
>   console: Linux buildroot 4.14.0-3-arm64 #1 SMP Debian 4.14.12-2 (2018-01-06) aarch64 GNU/Linux
>   console: reboot
>   console: / # reboot
>   console: / # Found console ttyAMA0
>   console: Stopping network: OK
>   console: Saving random seed... done.
>   console: Stopping logging: OK
>   console: umount: devtmpfs busy - remounted read-only
>   console: umount: can't unmount /: Invalid argument
>   console: The system is going down NOW!
>   console: Sent SIGTERM to all processes
>   console: Sent SIGKILL to all processes
>   console: Requesting system reboot
>   console: kvm: exiting hardware virtualization
>   console: reboot: Restarting system
>   PASS (11.08 s)
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> some chars are scrambled on the console...
> ---
>  tests/acceptance/boot_linux_console.py | 47 ++++++++++++++++++++++++++
>  1 file changed, 47 insertions(+)
> 
> diff --git a/tests/acceptance/boot_linux_console.py b/tests/acceptance/boot_linux_console.py
> index 33e8f6c635..2a1a23763e 100644
> --- a/tests/acceptance/boot_linux_console.py
> +++ b/tests/acceptance/boot_linux_console.py
> @@ -363,6 +363,53 @@ class BootLinuxConsole(Test):
>          """
>          self.do_test_arm_raspi2(1)
>  
> +    def test_arm_raspi3_initrd_uart0(self):
> +        """
> +        :avocado: tags=arch:aarch64
> +        :avocado: tags=machine:raspi3
> +        """
> +        deb_url = ('https://snapshot.debian.org/archive/debian/'
> +                   '20180106T174014Z/pool/main/l/linux/'
> +                   'linux-image-4.14.0-3-arm64_4.14.12-2_arm64.deb')
> +        deb_hash = 'e71c995de57921921895c1162baea5df527d1c6b'
> +        deb_path = self.fetch_asset(deb_url, asset_hash=deb_hash)
> +        kernel_path = self.extract_from_deb(deb_path,
> +                                            '/boot/vmlinuz-4.14.0-3-arm64')
> +
> +        dtb_url = ('https://github.com/raspberrypi/firmware/raw/'
> +                   '1.20180313/boot/bcm2710-rpi-3-b.dtb')
> +        dtb_hash = 'eb14d67133401ef2f93523be7341456d38bfc077'
> +        dtb_path = self.fetch_asset(dtb_url, asset_hash=dtb_hash)
> +
> +        initrd_url = ('https://github.com/groeck/linux-build-test/raw/'
> +                      '9b6b392ea7bc15f0d6632328d429d31c9c6273da/rootfs/'
> +                      'arm64/rootfs.cpio.gz')
> +        initrd_hash = '6fd05324f17bb950196b5ad9d3a0fa996339f4cd'
> +        initrd_path_gz = self.fetch_asset(initrd_url, asset_hash=initrd_hash)
> +        initrd_path = self.workdir + "rootfs.cpio"
> +        gunzip(initrd_path_gz, initrd_path)
> +
> +        self.vm.set_machine('raspi3')
> +        self.vm.set_console()
> +        kernel_command_line = (self.KERNEL_COMMON_COMMAND_LINE +
> +                               'earlycon=pl011,0x3f201000 console=ttyAMA0 ' +
> +                               'panic=-1 noreboot')
> +        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.')
> +
> +        self.exec_command_and_wait_for_pattern('cat /proc/cpuinfo',
> +                                               'BogoMIPS')
> +        self.exec_command_and_wait_for_pattern('uname -a',
> +                                               'Debian')
> +        self.exec_command_and_wait_for_pattern('reboot',
> +                                               'reboot: Restarting system')
> +
>      def test_s390x_s390_ccw_virtio(self):
>          """
>          :avocado: tags=arch:s390x
> -- 
> 2.20.1
> 

Reviewed-by: Cleber Rosa <crosa@redhat.com>

And even though you mentioned some trouble with the console, I've run
this 100 times and had no issues that disturbed the test, so:

Tested-by: Cleber Rosa <crosa@redhat.com>