Re: acceptance-system-fedora failures

[Thomas Huth]

On 07/10/2020 09.13, Philippe Mathieu-Daudé wrote:
> On 10/7/20 7:20 AM, Philippe Mathieu-Daudé wrote:
>> On 10/7/20 1:07 AM, John Snow wrote:
>>> I'm seeing this gitlab test fail quite often in my Python work; I don't
>>> *think* this has anything to do with my patches, but maybe I need to try
>>> and bisect this more aggressively.
[...]
>> w.r.t. the error in your build, I told Thomas about the
>> test_ppc_mac99/day15/invaders.elf timeouting but he said this is
>> not his area. Richard has been looking yesterday to see if it is
>> a TCG regression, and said the test either finished/crashed raising
>> SIGCHLD, but Avocado parent is still waiting for a timeout, so the
>> children become zombie and the test hang.
> 
> Expected output:
> 
> Quiescing Open Firmware ...
> Booting Linux via __start() @ 0x01000000 ...
> 
> But QEMU exits in replay_char_write_event_load():
> 
> Quiescing Open Firmware ...
> qemu-system-ppc: Missing character write event in the replay log
> $ echo $?
> 1
> 
> Latest events are CHECKPOINT CHECKPOINT INTERRUPT INTERRUPT INTERRUPT.
> 
> Replay file is ~22MiB. End of record using "system_powerdown + quit"
> in HMP.
> 
> I guess we have 2 bugs:
> - replay log
> - avocado doesn't catch children exit(1)
> 
> Quick reproducer:
> 
> $ make qemu-system-ppc check-venv
> $ tests/venv/bin/python -m \
>   avocado --show=app,console,replay \
>   run --job-timeout 300 -t machine:mac99 \
>   tests/acceptance/replay_kernel.py

Thanks, that was helpful. ... and the winner is:

    commit   55adb3c45620c31f29978f209e2a44a08d34e2da
    Author:  John Snow <jsnow@redhat.com>
    Date:    Fri Jul 24 01:23:00 2020 -0400
    Subject: ide: cancel pending callbacks on SRST

... starting with this commit, the tests starts failing. John, any idea what
might be causing this?

 Thomas