[Bug 1783002] Re: package plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

Giancarlo Capezzone giancarlo.capezzone at gmx.de
Tue Jul 24 20:52:31 UTC 2018 

Full acknowledged.

(By the way, the string
"http://www.freedesktop.org/wiki/Software/Plymouth" was appended to the
end of /etc/initramfs-tools/update-initramfs.conf without ending CR/LF.)

I could not find out the origin of the change from my working notes.

The string appears first in a backup/snapshot on the 2018-02-28.
(latest="not found" on="2018-02-17".  In-between I changed my backup technique, from rsync "snapshots" to btrfs snapshots+rsync.)

In the meantime reinstalling plymouth plus 2x kernel updates went
through flawlessly.

Thanks for the prompt error analysis. Very well done!

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Title:
  package plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.5 failed to
  install/upgrade: subprocess installed post-installation script
  returned error exit status 127

Status in plymouth package in Ubuntu:
  Invalid

Bug description:
  Plymouth broken after upgrading signal-desktop.
  - I will remove signal-desktop (as I suspect it to block the use of Signal an my Jolla1 Smartphone),
  - But the broken Plymouth is now preventing the daily update of Ubuntu an my Laptop.

  While regularly updating my 16.04 (nearly daily) as listed below, one combination of signal-desktop and plymouth seem not compatible.
  I will try to go back to the state of 2018-07-19 by using thr CLI:
      done_on="So 22. Jul 17:16:44 CEST 2018" # 
   reset_to=; sudo apt-btrfs-snapshot set-default @apt-snapshot-2018-07-19_09:28:40 # before the next Upgrade: signal-desktop:amd64 (1.14.1, 1.14.2)  
  Default changed to @apt-snapshot-2018-07-19_09:28:40, please reboot for changes to take effect.

  I have:
  lsb_release -rd # 
  Description:    Ubuntu 16.04.5 LTS
  Release:        16.04
  and=; apt-cache policy signal-desktop plymouth-theme-ubuntu-text # 
  signal-desktop:
    Installiert:           1.14.4
    Installationskandidat: 1.14.4
    Versionstabelle:
   *** 1.14.4 500
          500 https://updates.signal.org/desktop/apt xenial/main amd64 Packages
          100 /var/lib/dpkg/status
  plymouth-theme-ubuntu-text:
    Installiert:           0.9.2-3ubuntu13.5
    Installationskandidat: 0.9.2-3ubuntu13.5
    Versionstabelle:
   *** 0.9.2-3ubuntu13.5 500
          500 http://de.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       0.9.2-3ubuntu13 500
          500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  EXAMPLE FOR RESULTING PROBLEMS:

  For automatic bug report I want to install whoopsie:

  which ends by:
  dpkg: Fehler beim Bearbeiten des Paketes plymouth-theme-ubuntu-text (--remove):
   Unterprozess installiertes post-removal-Skript gab den Fehlerwert 127 zurück
  Fehler traten auf beim Bearbeiten von:
   plymouth-theme-ubuntu-text
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  THE SAME WITH MORE DETAILS:

  apt-get install whoopsie
  Paketlisten werden gelesen... Fertig
  Abhängigkeitsbaum wird aufgebaut.       
  Statusinformationen werden eingelesen.... Fertig
  »whoopsie« ist bereits die neuste Version (0.2.52.5).
  whoopsie wurde als manuell installiert festgelegt.
  Die folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt:
    libllvm5.0 libllvm5.0:i386
  Verwenden Sie »apt autoremove«, um sie zu entfernen.
  Die folgenden Pakete werden ENTFERNT:
    plymouth-theme-ubuntu-text
  0 aktualisiert, 0 neu installiert, 1 zu entfernen und 0 nicht aktualisiert.
  1 nicht vollständig installiert oder entfernt.
  Nach dieser Operation werden 53,2 kB Plattenplatz freigegeben.
  Möchten Sie fortfahren? [J/n] y
  Supported
  Create a snapshot of '/tmp/apt-btrfs-snapshot-mp-nztwrfzo/@' in '/tmp/apt-btrfs-snapshot-mp-nztwrfzo/@apt-snapshot-2018-07-22_18:01:12'
  (Lese Datenbank ... 355480 Dateien und Verzeichnisse sind derzeit installiert.)
  Entfernen von plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.5) ...
  /usr/sbin/update-initramfs: 21: /etc/initramfs-tools/update-initramfs.conf: http://www.freedesktop.org/wiki/Software/Plymouth: not found
  dpkg: Fehler beim Bearbeiten des Paketes plymouth-theme-ubuntu-text (--remove):
   Unterprozess installiertes post-removal-Skript gab den Fehlerwert 127 zurück
  Fehler traten auf beim Bearbeiten von:
   plymouth-theme-ubuntu-text
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.5
  ProcVersionSignature: Ubuntu 4.4.0-130.156-generic 4.4.134
  Uname: Linux 4.4.0-130-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  AptOrdering:
   base-files: Install
   base-files: Configure
   signal-desktop: Install
   signal-desktop: Configure
   NULL: ConfigurePending
  Architecture: amd64
  BootLog:
   lvmetad is not active yet, using direct activation during sysinit
     "disk/by-uuid/af72c276-7ba6-4e62-a4fa-50adfef56909": Invalid path for Logical Volume.
   Scanning for Btrfs filesystems
  Date: Sun Jul 22 02:41:59 2018
  DefaultPlymouth: /usr/share/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  DuplicateSignature:
   package:plymouth-theme-ubuntu-text:0.9.2-3ubuntu13.5
   Processing triggers for plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.5) ...
   /usr/sbin/update-initramfs: 21: /etc/initramfs-tools/update-initramfs.conf: http://www.freedesktop.org/wiki/Software/Plymouth: not found
   dpkg: error processing package plymouth-theme-ubuntu-text (--unpack):
    subprocess installed post-installation script returned error exit status 127
  ErrorMessage: subprocess installed post-installation script returned error exit status 127
  InstallationDate: Installed on 2016-12-15 (584 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  MachineType: LENOVO 4276CTO
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-130-generic root=UUID=f452415b-5f76-4710-a884-8244e2260834 ro rootflags=subvol=@ cryptdevice=UUID=476a905e-8e64-4097-9ef6-c1e844ecb476:luks-476a905e-8e64-4097-9ef6-c1e844ecb476 kopt=root=/dev/mapper/luks-476a905e-8e64-4097-9ef6-c1e844ecb476 resume=UUID=af72c276-7ba6-4e62-a4fa-50adfef56909 rootflags=subvol=@ quiet splash vt.handoff=7
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-130-generic root=UUID=f452415b-5f76-4710-a884-8244e2260834 ro rootflags=subvol=@ cryptdevice=UUID=476a905e-8e64-4097-9ef6-c1e844ecb476:luks-476a905e-8e64-4097-9ef6-c1e844ecb476 kopt=root=/dev/mapper/luks-476a905e-8e64-4097-9ef6-c1e844ecb476 resume=UUID=af72c276-7ba6-4e62-a4fa-50adfef56909 rootflags=subvol=@ quiet splash vt.handoff=7
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.4
   apt  1.2.27
  SourcePackage: plymouth
  TextPlymouth: Error: command ['readlink', '/etc/alternatives/text.plymouth'] failed with exit code 1:
  Title: package plymouth-theme-ubuntu-text 0.9.2-3ubuntu13.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/02/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8BET54WW (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4276CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8BET54WW(1.34):bd11/02/2011:svnLENOVO:pn4276CTO:pvrThinkPadW520:rvnLENOVO:rn4276CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4276CTO
  dmi.product.version: ThinkPad W520
  dmi.sys.vendor: LENOVO

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