[Bug 406397] Re: init: job stuck with expect fork/daemon when parent reaps child

[Michael Gliwinski]

Given that the PID would be killed pretty much as soon as it started and
that you're most likely to trigger this while writing an unstart job for
a daemon, I'd agree that the potential for serious problems is low.

However, I don't think this is a user error/mistake, some daemons are
just more awkward than others, may require scripts, etc., I don't think
it's reasonable to expect every daemon out there to be re-written to
play well.

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https://bugs.launchpad.net/bugs/406397

Title:
  init: job stuck with expect fork/daemon when parent reaps child

Status in Upstart:
  Triaged
Status in “aiccu” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Invalid
Status in PLD Linux Distribution:
  New

Bug description:
  Hi

  Wrong use of the expect fork stanza can create job with status
    job stop/killled, process nnn
  without any process nnn running on the system.

  As an example the following avahi.conf should have used
  "expect daemon", but will instead create a stuck job.

  stop on stopping dbus-system
  respawn
  expect fork
  exec avahi-daemon -D

  /Emil Renner Berthing

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