Re: [PATCH] tests/acceptance: Fix race conditions in s390x tests & skip fedora on gitlab-CI

[Willian Rampazzo <wrampazz@redhat.com>]

On Fri, Jan 8, 2021 at 3:59 PM Thomas Huth <thuth@redhat.com> wrote:
>
> There was a race condition in the first test where there was already the
> "crw" output in the dmesg, but the "0.0.4711" entry has not been created
> in the /sys fs yet. Fix it by waiting until it is there.
>
> The second test has even more problems on gitlab-CI. Even after adding some
> more synchronization points (that wait for some messages in the "dmesg"
> output to make sure that the modules got loaded correctly), there are still
> occasionally some hangs in this test when it is running in the gitlab-CI.
> So far I was unable to reproduce these hangs locally on my computer, so
> this issue might take a while to debug. Thus disable the 2nd test in the
> gitlab-CI until the problems are better understood and fixed.
>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
>  tests/acceptance/machine_s390_ccw_virtio.py | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
>

Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>

JOB ID     : 6b2b3c1f6f6b0c4c2e9fd694b475bd12c193adbd
JOB LOG    : /home/linux1/src/qemu.dev/build/tests/results/job-2021-01-08T16.24-6b2b3c1/job.log
 (1/2) tests/acceptance/machine_s390_ccw_virtio.py:S390CCWVirtioMachine.test_s390x_devices:
PASS (8.78 s)
 (2/2) tests/acceptance/machine_s390_ccw_virtio.py:S390CCWVirtioMachine.test_s390x_fedora:
PASS (23.86 s)
RESULTS    : PASS 2 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 0
| CANCEL 0
JOB TIME   : 33.02 s