[Bug 1642966] Re: package cups-daemon 2.1.3-4 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1

[Dimitri John Ledkov]

On 21 December 2016 at 08:13, Martin Pitt <martin.pitt at ubuntu.com> wrote:
>
> Till Kamppeter [2016-12-19 16:48 -0000]:
> > Then edit the file /lib/systemd/system/cups.path adding a line
> > "PartOf=cups.service" to the [Unit] section, so that the file looks like
> > this:
> >
> > ----------
> > [Unit]
> > Description=CUPS Scheduler
> > PartOf=cups.service
>
> I suppose that cups.path is only for booting, i. e. you want to start
> cups.service on boot, not again on demand on a running system. Does it ever
> happen that cups.service terminates by itself due to inactivity? If not, this
> provides a good enough workaround for not stopping cups.path properly in the
> maintainer scripts. If yes, this appproach doesn't work.
>
> Note that you probably want to do the same for cups.socket, with the same
> reasoning as above.
>

I'm not sure, but I thought we want to keep cups.socket around, after
cups.service self-shutdowns during normal system operation, because we
want to keep cups.service socket activatable.

IMHO cups.path should be removed, and instead a generator used to add
cups.service to multi-user.target.wants on boot if the state file
indicates we want cups.service to be always running.

-- 
Regards,

Dimitri.

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https://bugs.launchpad.net/bugs/1642966

Title:
  package cups-daemon 2.1.3-4 failed to install/upgrade: subprocess new
  pre-removal script returned error exit status 1

Status in cups package in Ubuntu:
  Confirmed
Status in init-system-helpers package in Ubuntu:
  Confirmed
Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  This is in xenial-proposed, please block release to -updates
  accordingly :)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: cups-daemon 2.1.3-4
  ProcVersionSignature: Ubuntu 4.4.0-46.67-generic 4.4.24
  Uname: Linux 4.4.0-46-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CupsErrorLog:
   
  Date: Fri Nov 18 11:13:15 2016
  ErrorMessage: subprocess new pre-removal script returned error exit status 1
  InstallationDate: Installed on 2016-05-02 (200 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  Lpstat: device for mallards-officejet-pro-8600: dnssd://Officejet%20Pro%208600%20%5BD63461%5D._ipp._tcp.local/?uuid=1c852a4d-b800-1f08-abcd-d89d67d63461
  MachineType: Dell Inc. XPS 15 9550
  Papersize: a4
  PpdFiles: mallards-officejet-pro-8600: HP Officejet Pro 8600, hpcups 3.16.3
  ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-46-generic.efi.signed root=UUID=3643ef37-7cee-41b3-9387-2faa819c44db ro quiet splash vt.handoff=7
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-46-generic.efi.signed root=UUID=3643ef37-7cee-41b3-9387-2faa819c44db ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.15
  SourcePackage: cups
  Title: package cups-daemon 2.1.3-4 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/07/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 01.02.00
  dmi.board.name: 0N7TVV
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr01.02.00:bd04/07/2016:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 15 9550
  dmi.sys.vendor: Dell Inc.

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