[Bug 1809505] Re: 'Livepatch-Notif' is always a zombie process after a system restart

[chris pollock]

Tested

apt-cache policy update-notifier
update-notifier:
  Installed: 3.192.1.5
  Candidate: 3.192.1.5

which fixed the bug. Tag updated to reflect this.



** Tags removed: bot-comment verification-needed verification-needed-bionic
** Tags added: verification-done-bionic

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https://bugs.launchpad.net/bugs/1809505

Title:
  'Livepatch-Notif' is always a zombie process after a system restart

Status in update-notifier package in Ubuntu:
  Fix Released
Status in update-notifier source package in Bionic:
  Fix Committed

Bug description:
  * Impact
  update-notifier let livepatch-notification zombie processes

  * Test case
  wait for a livepatch update/notification, after the notification is dismissed there should be no zombie process

  * Regression potential
  Check that the livepatch notifications are correctly displayed still

  ---------------------------------

  This is Ubuntu 18.04.1 with update-notifier version
  apt-cache policy update-notifier
  update-notifier:
    Installed: 3.192.1.4
    Candidate: 3.192.1.4

  As shown here - https://imageshack.com/i/pl753Ekfp AFAICT I don't have
  livepatch enabled. Running:

  chris at localhost:/var/log$ ps axo stat,ppid,pid,comm | grep -w defunct
  Z+    3283  3290 livepatch-notif <defunct>

  3283 chris     20   0  585404  23776  17608 S   0.0  0.2   0:00.09
  update-
  notifier

  3290 chris     20   0       0      0      0 Z   0.0  0.0   0:00.00
  livepatch-notif

  It's no big deal to remove the zombie by killing update-notifier
  however I don't know if that's the right thing to do or not and why is
  livepatch-notif always a zombie process after a restart?

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