[Bug 1476010] Re: package nfs-common 1:1.2.8-9ubuntu8.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100

[Steve Langasek]

Martin, could you have a look at this bug when you have a chance,
please?  The cause is quite simple, the systemd unit and the upstart job
have differing names.  I'm not sure about the correct fix - not least of
all because of the interactions between invoke-rc.d and deb-systemd-
invoke (which I still consider a bad case of NIH that we should correct
at some point) and the differences in the top-level invocations for
systemd vs. not ('nfs-utils.service' vs. individual units).

The semantics of the deb-systemd-invoke aren't even right for the
postinst currently anyway, because we're calling 'deb-systemd-invoke
try-restart' for nfs-utils.service, which is a one-shot service and
therefore 'try-restart' has no effect.  This looks like a serious bug in
the semantics of dh_systemd, as 'try-restart' is a deviation from the
established policy that services should be started on upgrade *even if
they were not running before*, *unless* the admin has done something to
specifically declare the service should not be started. (update-rc.d
disable, etc).

** Changed in: nfs-utils (Ubuntu)
   Importance: Undecided => High

** Changed in: nfs-utils (Ubuntu)
       Status: New => Triaged

** Changed in: nfs-utils (Ubuntu)
     Assignee: (unassigned) => Martin Pitt (pitti)

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Title:
  package nfs-common 1:1.2.8-9ubuntu8.1 failed to install/upgrade:
  subprocess installed post-installation script returned error exit
  status 100

Status in nfs-utils package in Ubuntu:
  Triaged

Bug description:
  Error occurred when upgrading to Wily

  ProblemType: Package
  DistroRelease: Ubuntu 15.10
  Package: nfs-common 1:1.2.8-9ubuntu8.1
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.18-0ubuntu2
  Architecture: amd64
  Date: Sun Jul 19 12:47:15 2015
  DuplicateSignature: package:nfs-common:1:1.2.8-9ubuntu8.1:subprocess installed post-installation script returned error exit status 100
  ErrorMessage: subprocess installed post-installation script returned error exit status 100
  RelatedPackageVersions:
   dpkg 1.17.25ubuntu1
   apt  1.0.9.10ubuntu1
  SourcePackage: nfs-utils
  Title: package nfs-common 1:1.2.8-9ubuntu8.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100
  UpgradeStatus: Upgraded to wily on 2015-07-19 (0 days ago)
  upstart.statd-mounting.override: manual
  upstart.statd.override: manual

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