Re: Problem with Avocado and QEMU console

[Philippe Mathieu-Daudé]

On 5/3/21 4:46 PM, Willian Rampazzo wrote:
> On Mon, May 3, 2021 at 10:36 AM Philippe Mathieu-Daudé <f4bug@amsat.org> 
> wrote:
>>
>> On 5/3/21 3:12 PM, Willian Rampazzo wrote:
>>> Hi Philippe,
>>>
>>> On Mon, May 3, 2021 at 9:59 AM Philippe Mathieu-Daudé <f4bug@amsat.org> 
>>> wrote:
>>>>
>>>> Hi Cleber, Willian,
>>>>
>>>> Avocado marked the test_mips64el_fuloong2e as failed while
>>>> it succeeded:
>>>> https://gitlab.com/qemu-project/qemu/-/jobs/1231363571
>>>>
>>>> Apparently the first part of the console output is missing.
>>>> (Normal console output attached).
>>>>
>>>> Any idea what could be the cause?
>>>>
>>>
>>> The log shows the following:
>>>
>>> 12:00:37 ERROR| avocado.core.exceptions.TestFail: Failure message
>>> found in console: "Kernel panic - not syncing". Expected: "Kernel
>>> command line: printk.time=0 console=ttyS0"
>>>
>>> Does your comment about "console output missing" means the expected
>>> message was supposed to be on this missing part?
>>
>> Yes, "the first part is missing" so Avocado didn't see the expected
>> message pass, but the messages emitted *after* it are logged.
>>
> 
> Okay, got it.
> 
> The reason for it to fail is here:
> https://gitlab.com/qemu-project/qemu/-/blob/master/tests/acceptance/boot_linux_console.py#L53.
> The way the `wait_for_console_pattern` method is defined tells the
> test to fail if that `failure_message` is found.
> 
> I'm still checking why the test missed the first part.

Could this be related to the recent failures in N8x0Machine.test_n810?

https://gitlab.com/qemu-project/qemu/-/jobs/1280746618#L128