[Bug 1829829] Re: Ubuntu CI has been flaky for a week

Evgeny Vereshchagin evvers at ya.ru
Fri Jun 28 13:41:34 UTC 2019


Regarding the blacklist, we started to work on it in
https://github.com/systemd/systemd/issues/11195 (which was initially
about merging PRs where bugs were caught by Travis CI but ignored
because everybody was used to Ubuntu CI failing more often than not) and
ended up with a list of test I suggested because I more or less knew
what was flaky at the time and kept monitoring Ubuntu CI for a couple of
days. As far as I can tell, it has been abandoned since then. If you're
ready to keep the list up to date by visiting PRs where Ubuntu CI fails
I'm of course all for it.

Other than that, right now the upstream test timeouts on i386, which has
been on for just two days:
https://github.com/systemd/systemd/pull/12901#issuecomment-506646998.
I'm not sure how turning off some tests will help there (because
generally I don't understand why it fails).

Plus, in
https://github.com/systemd/systemd/pull/12861#issuecomment-506556062 the
test is completely broken on Ubuntu CI and I have no idea why.


** Bug watch added: github.com/systemd/systemd/issues #11195
   https://github.com/systemd/systemd/issues/11195

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https://bugs.launchpad.net/bugs/1829829

Title:
  Ubuntu CI has been flaky for a week

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  It was originally reported in https://github.com/systemd/systemd/pull/12583#issuecomment-492949206 5 days ago. To judge from the logs VMs can't be rebooted there:
  ```
  Ubuntu 18.04.2 LTS autopkgtest ttyS0

  autopkgtest login:
  ---------------------------------------------------
  ------- nova show 91e76a78-d05c-412a-b383-55a26010ae69 (adt-bionic-amd64-systemd-upstream-20190516-051604) ------
  +--------------------------------------+------------------------------------------------------------------------------------+
  | Property                             | Value                                                                              |
  +--------------------------------------+------------------------------------------------------------------------------------+
  | OS-DCF:diskConfig                    | MANUAL                                                                             |
  | OS-EXT-AZ:availability_zone          | nova                                                                               |
  | OS-EXT-SRV-ATTR:host                 | euler                                                                              |
  | OS-EXT-SRV-ATTR:hypervisor_hostname  | euler.lcy01.scalingstack                                                           |
  | OS-EXT-SRV-ATTR:instance_name        | instance-003d216a                                                                  |
  | OS-EXT-STS:power_state               | 1                                                                                  |
  | OS-EXT-STS:task_state                | -                                                                                  |
  | OS-EXT-STS:vm_state                  | active                                                                             |
  | OS-SRV-USG:launched_at               | 2019-05-16T07:00:42.000000                                                         |
  | OS-SRV-USG:terminated_at             | -                                                                                  |
  | accessIPv4                           |                                                                                    |
  | accessIPv6                           |                                                                                    |
  | config_drive                         |                                                                                    |
  | created                              | 2019-05-16T07:00:33Z                                                               |
  | flavor                               | autopkgtest (f878e70e-9991-46e0-ba02-8ea159a71656)                                 |
  | hostId                               | 1722c5f2face86c3fc9f338ae96835924721512372342f664e6941bd                           |
  | id                                   | 91e76a78-d05c-412a-b383-55a26010ae69                                               |
  | image                                | adt/ubuntu-bionic-amd64-server-20190516.img (d00bf12c-467e-433f-a4f5-15720f13bff1) |
  | key_name                             | testbed-juju-prod-ues-proposed-migration-machine-11                                |
  | metadata                             | {}                                                                                 |
  | name                                 | adt-bionic-amd64-systemd-upstream-20190516-051604                                  |
  | net_ues_proposed_migration network   | 10.42.40.13                                                                        |
  | os-extended-volumes:volumes_attached | []                                                                                 |
  | progress                             | 0                                                                                  |
  | security_groups                      | autopkgtest at lcy01-27.secgroup                                                      |
  | status                               | ACTIVE                                                                             |
  | tenant_id                            | afaef86b96dd4828a1ed5ee395ea1421                                                   |
  | updated                              | 2019-05-16T07:00:42Z                                                               |
  | user_id                              | 8524250971084851b3792a68fbc398dd                                                   |
  +--------------------------------------+------------------------------------------------------------------------------------+
  ---------------------------------------------------
  <VirtSubproc>: failure: Timed out on waiting for ssh connection
  autopkgtest [07:07:45]: ERROR: testbed failure: cannot send to testbed: [Errno 32] Broken pipe
  ```

  Though judging by https://github.com/systemd/systemd/pull/12626, it
  appears that sometimes the tests pass.

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