[Bug 1733321] Re: network-manager ADT tests fail with on ppc64el with artful/linux 4.13.0.17.18

[Mathew Hodson]

** Tags added: testcase

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Title:
  network-manager ADT tests fail with on ppc64el with artful/linux
  4.13.0.17.18

Status in network-manager package in Ubuntu:
  New
Status in network-manager source package in Artful:
  Won't Fix
Status in network-manager source package in Disco:
  New
Status in network-manager source package in Eoan:
  New
Status in network-manager source package in Focal:
  New

Bug description:
  [Impact]

  The killswitches-no-urfkill autopkgtest fails sometimes because nmcli
  reports the old state when it's called right after rfkill
  block/unblock. Adding a sleep before calling nmcli fixes the issue.

  ppc64el ADT log from failed testcase:
  https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac
  /autopkgtest-artful/artful/ppc64el/n/network-
  manager/20171120_100719_28642@/log.gz

  Testcase output:
  -----
  autopkgtest [10:04:48]: test killswitches-no-urfkill: [-----------------------
  make -C /lib/modules/4.13.0-17-generic/build KBUILD_SRC=/lib/modules/4.13.0-17-generic/build M=/tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests
  make[1]: Entering directory '/usr/src/linux-headers-4.13.0-17-generic'
    AR      /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/built-in.o
    CC [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.o
    Building modules, stage 2.
    MODPOST 1 modules
    CC      /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.mod.o
    LD [M]  /tmp/autopkgtest.yE1hsA/build.62e/src/debian/tests/fake-rfkill.ko
  make[1]: Leaving directory '/usr/src/linux-headers-4.13.0-17-generic'
  ERROR: NM could not track device state.
  autopkgtest [10:05:20]: test killswitches-no-urfkill: -----------------------]
  autopkgtest [10:05:20]: test killswitches-no-urfkill:  - - - - - - - - - - results - - - - - - - - - -
  killswitches-no-urfkill FAIL non-zero exit status 1
  -----

  Package versions [artful/ppc64el]:
  network-manager 1.8.4-1ubuntu3
  linux-meta 4.13.0.17.18

  
  [Test Case]

  2.1. Download network-manager package source code
  $ apt-get source network-manager

  2.2. Run killswitches-no-urfkill testcase
  $ cd network-manager-1.8.4
  $ sudo ./debian/tests/killswitches-no-urfkill

  
  [Regression Potential]

  No regression potential. The fix touches only the testcase shipped
  with the source package and it doesn't change the binary package. The
  sleep time added is very small, so no possibility of causing testcase
  timeout.

  
  [Other Info]

  On ppc64el architecture, it was observed that a fix for systemd is
  also needed (see bug 1734908) for the testcase to be successful.

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