[Bug 999725] [NEW] broken start-up dependencies for ntp

[Paul Crawford]

Public bug reported:

We recently installed 12.04 LTS (32-bit) with NIS authentication and found two bugs with ntp, the first was ntp was not installed (even though the clock manager allowed, and defaulted to, "internet time") and the second more serious bug reported here is we discovered that ntp is being started before the system is capable of resolving DNS, so only time servers given by IP address are found.
Those given by name (ntp0.dundee.ac.uk and similar) are not found and, as ntp never performs DNS lookup after initially starting, they remain unavailable until you manually issue the command "/etc/init.d/ntp restart".
This was not a problem with 10.04 LTS, and I also though upstart was supposed to handle such starting sequence dependencies?

$lsb_release -rd
Description:	Ubuntu 12.04 LTS
Release:	12.04

$ apt-cache policy ntp
ntp:
  Installed: 1:4.2.6.p3+dfsg-1ubuntu3
  Candidate: 1:4.2.6.p3+dfsg-1ubuntu3
  Version table:
 *** 1:4.2.6.p3+dfsg-1ubuntu3 0
        500 http://gb.archive.ubuntu.com/ubuntu/ precise/main i386 Packages
        100 /var/lib/dpkg/status

We expected ntp to be started after the network interfaces were up and
DNS look-up possible.

** Affects: ntp (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/999725

Title:
  broken start-up dependencies for ntp

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