Re: [PATCH v2 04/11] tests/acceptance: add kernel record/replay test for x86_64

[Pavel Dovgalyuk]

On 27.05.2020 17:53, Philippe Mathieu-Daudé wrote:
> On 5/27/20 12:31 PM, Pavel Dovgalyuk wrote:
> > This patch adds a test for record/replay an execution of x86_64 machine.
> > Execution scenario includes simple kernel boot, which allows testing
> > basic hardware interaction in RR mode.
> >
> > Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
> > ---
> >   0 files changed
> >
> > diff --git a/tests/acceptance/replay_kernel.py 
> > b/tests/acceptance/replay_kernel.py
> > index b8b277ad2f..c7526f1aba 100644
> > --- a/tests/acceptance/replay_kernel.py
> > +++ b/tests/acceptance/replay_kernel.py
> > @@ -55,3 +55,19 @@ class ReplayKernel(LinuxKernelUtils):
> >                       True, shift, args)
> >           self.run_vm(kernel_path, kernel_command_line, console_pattern,
> >                       False, shift, args)
> > +
> > +    def test_x86_64_pc(self):
> > +        """
> > +        :avocado: tags=arch:x86_64
> > +        :avocado: tags=machine:pc
> > +        """
> > +        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
> > +                      '/linux/releases/29/Everything/x86_64/os/images/pxeboot'
> > +                      '/vmlinuz')
> > +        kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
> > +        kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
> > +
> > +        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
> > +        console_pattern = 'Kernel command line: %s' % kernel_command_line
> > +
> > +        self.run_rr(kernel_path, kernel_command_line, console_pattern)
> This one timeouted (I build with --enable-debug):

I've got the strange behavior for the couple of times.

Console output was correct (I saw 'Kernel command line' in logs), but 
_console_interation function didn't notice it.

Therefore the test finished with timeout.

How this could be possible?


>   (1/1) tests/acceptance/replay_kernel.py:ReplayKernel.test_x86_64_pc:
> replay: recording...
> replay: replaying...
> INTERRUPTED: Test interrupted by SIGTERM\nRunner error occurred: Timeout
> reached\nOriginal status: ERROR\n{'name':
> '1-tests/acceptance/replay_kernel.py:ReplayKernel.test_x86_64_pc',
> 'logdir':
> 'avocado/job-results/job-2020-05-27T16.48-71d7bf4/test-results/1-tes...
> (90.68 s)