[Bug 1529152] Re: slow completion for systemd units

[Launchpad Bug Tracker]

This bug was fixed in the package systemd - 237-3ubuntu10.41

---------------
systemd (237-3ubuntu10.41) bionic; urgency=medium

  [ Dan Streetman ]
  * d/p/lp1867375/0001-network-Allow-to-configure-GW-even-UseRoutes-false.patch,
    d/p/lp1867375/0002-network-add-a-flag-to-ignore-gateway-provided-by-DHC.patch,
    d/p/lp1867375/0003-network-change-UseGateway-default-to-UseRoutes-setti.patch:
    - Move gateway ignoring from UseRoutes= to UseGateway= (LP: #1867375)
   * d/p/lp1873607/0002-core-make-sure-to-restore-the-control-command-id-too.patch:
     - Avoid segfault during serialization (LP: #1873607)
   * d/p/lp1529152/0001-bash-completion-systemctl-use-systemctl-no-pager.patch,
     d/p/lp1529152/0002-bash-completion-systemctl-pass-current-partial-unit-.patch,
     d/p/lp1529152/0003-shell-completion-systemctl-pass-current-word-to-all-.patch,
     d/p/lp1529152/0004-bash-completion-systemctl-re-implement-__filter_unit.patch,
     d/p/lp1529152/0005-strip-value-from-property-names.patch:
     - fix slow systemctl tab completion (LP: #1529152)
   * d/p/lp1877159-networkd-fix-attribute-length-for-wireguard-10380.patch:
     - avoid kernel err msg setting wireguard param (LP: #1877159)

  [ Heitor Alves de Siqueira ]
  * d/p/lp1876600-sd-bus-deal-with-cookie-overruns.patch:
    - deal with dbus cookie overruns (LP: #1876600)

 -- Heitor Alves de Siqueira <halves at canonical.com>  Sun, 03 May 2020
11:30:25 +0000

** Changed in: systemd (Ubuntu Bionic)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1529152

Title:
  slow completion for systemd units

Status in systemd:
  Fix Released
Status in bash-completion package in Ubuntu:
  Invalid
Status in systemd package in Ubuntu:
  Fix Released
Status in bash-completion source package in Xenial:
  Invalid
Status in systemd source package in Xenial:
  Won't Fix
Status in bash-completion source package in Bionic:
  Invalid
Status in systemd source package in Bionic:
  Fix Released

Bug description:
  [impact]

  systemctl tab completion is annoyingly slow.

  [test case]

  on a bionic system:

  $ systemctl status systemd-<tab>

  any unit can be used, or even <tab> before specifying any unit name
  chars.

  That will hang for sometimes a few seconds.

  [regression potential]

  this updates systemctl bash completion, so any regression would likely
  result in systemctl command misbehaving; most likely, failure to tab-
  complete.

  [scope]

  This is needed for Bionic and Xenial, however I am not currently
  planning to fix this for Xenial.

  This is fixed by upstream commit
  f28255e2d5695b0d060558ff8cbb2b526fc94cc0 and a few other previous
  commits, which are all included starting in v240, so this is fixed
  already in Eoan and later.

  [original description]

  Pressing <kbd>Tab</kbd> after entering `sudo systemctl status
  [existing service name without .service suffix]` into console it takes
  up to 5 seconds until the auto-completion completes. Until then the
  cursor can't be moved.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: bash-completion 1:2.1-4.1ubuntu2
  Uname: Linux 4.2.5-040205-generic x86_64
  NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  Date: Thu Dec 24 21:04:41 2015
  InstallationDate: Installed on 2015-04-20 (248 days ago)
  InstallationMedia: Ubuntu-Server 14.10 "Utopic Unicorn" - Release amd64 (20141022.2)
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: bash-completion
  UpgradeStatus: Upgraded to wily on 2015-10-26 (59 days ago)

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