[Bug 979720] Re: isc-dhcp-server blocks upgrades if it can not be started

[Jamie Strandboge]

There are several files that are being blocked by apparmor due to a non-
default configuration. What could be happening is the original apparmor
profile was modified, but then on upgrade, the package maintainer's
version was selected. I suggest adding the required custom rules to
/etc/apparmor.d/local/usr.sbin.dhcpd. The upgrade should then proceed
normally.

** Tags removed: apparmor

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https://bugs.launchpad.net/bugs/979720

Title:
  isc-dhcp-server blocks upgrades if it can not be started

Status in “isc-dhcp” package in Ubuntu:
  Incomplete

Bug description:
  If isc-dhcp-server can not be started it blocks further upgrades, leaving the system in an inconsistent state.
  isc-dhcp-server upgrade shall instead ignore such an error like "could not start" and not stop upgrades on such errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: isc-dhcp-server 4.1.ESV-R4-0ubuntu5
  ProcVersionSignature: Ubuntu 3.2.0-22.35-virtual 3.2.14
  Uname: Linux 3.2.0-22-virtual i686
  ApportVersion: 2.0.1-0ubuntu2
  Architecture: i386
  Date: Thu Apr 12 11:29:42 2012
  DhServerLeases:
   
  InstallationMedia: Ubuntu-Server 10.10 "Maverick Meerkat" - Release i386 (20101007)
  ProcEnviron:
   TERM=screen-bce
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: isc-dhcp
  UpgradeStatus: Upgraded to precise on 2012-04-01 (11 days ago)
  mtime.conffile..etc.dhcp.dhcpd.conf: 2012-01-06T11:56:06
  mtime.conffile..etc.init.isc.dhcp.server.conf: 2012-04-12T11:28:55.507365

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