Wed Jun 26 11:06:31 UTC 2019

Public bug reported:

 I downloaded the python 3.7 source code and  compiled & installed it. I
did this with several libraries which belong to ffmpeg & gstreamer. My
system crashed for two totally. I am not sure about the first one reason
but for second time, I was going to uninstall python 3.5 (system default
python3) because I had already compiled and installed python 3.7. The
Ubuntu package manager uninstalled a huge chunk of other packages like
Qt5 package &  etc. After uninstalling packages my system went to
unstable graphical situation. I think something went wrong with the main
graphical libraries and maybe graphical drivers. After a system restart
I had system boot problem and only I could access command line. My
network-manager service also stopped and I couldn't access internet so
reinstall or fixing packages were not possible for me. I had to
reinstall whole the system.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: python3 3.5.1-3
ProcVersionSignature: Ubuntu 4.4.0-151.178-generic 4.4.179
Uname: Linux 4.4.0-151-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Tue Jun 25 13:16:57 2019
DuplicateSignature:
 package:python3:3.5.1-3
 Removing python3 (3.5.1-3) ...
 /var/lib/dpkg/info/python3.prerm: 5: /var/lib/dpkg/info/python3.prerm: py3clean: not found
 dpkg: error processing package python3 (--purge):
  subprocess installed pre-removal script returned error exit status 127
ErrorMessage: subprocess installed pre-removal script returned error exit status 127
InstallationDate: Installed on 2019-06-24 (1 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt  1.2.32
SourcePackage: python3-defaults
Title: package python3 3.5.1-3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: python3-defaults (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-package third-party-packages xenial

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https://bugs.launchpad.net/bugs/1834321

Title:
  package python3 3.5.1-3 failed to install/upgrade: subprocess
  installed pre-removal script returned error exit status 127 ... I
  downloaded the python 3.7 source code and  compiled & installed it. I
  did this with serveral libraries which belong to ffmpeg & gstreamer.
  My system crached for two totally. I am not sure about the first one
  resion but for second time, I was going to uninstall python 3.5
  (system default python3) because I had already compiled and installed
  python 3.7. The ubuntu package manager uninstalled a huge chunk of
  other packages like Qt5 package &  etc. After uinstalling packages my
  system went to unstable graphical situation. I think something went
  wrong with the main graphical libraries and maybe graphical drivers.
  After a system restart I had system boot problem and only I could
  access command line. My network-manager service also stoped and I
  couldn't access internet so reinstall or fixing packages were not
  possible for me. I had to reinstall whole the system.

Status in python3-defaults package in Ubuntu:
  New

Bug description:
   I downloaded the python 3.7 source code and  compiled & installed it.
  I did this with several libraries which belong to ffmpeg & gstreamer.
  My system crashed for two totally. I am not sure about the first one
  reason but for second time, I was going to uninstall python 3.5
  (system default python3) because I had already compiled and installed
  python 3.7. The Ubuntu package manager uninstalled a huge chunk of
  other packages like Qt5 package &  etc. After uninstalling packages my
  system went to unstable graphical situation. I think something went
  wrong with the main graphical libraries and maybe graphical drivers.
  After a system restart I had system boot problem and only I could
  access command line. My network-manager service also stopped and I
  couldn't access internet so reinstall or fixing packages were not
  possible for me. I had to reinstall whole the system.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: python3 3.5.1-3
  ProcVersionSignature: Ubuntu 4.4.0-151.178-generic 4.4.179
  Uname: Linux 4.4.0-151-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  Date: Tue Jun 25 13:16:57 2019
  DuplicateSignature:
   package:python3:3.5.1-3
   Removing python3 (3.5.1-3) ...
   /var/lib/dpkg/info/python3.prerm: 5: /var/lib/dpkg/info/python3.prerm: py3clean: not found
   dpkg: error processing package python3 (--purge):
    subprocess installed pre-removal script returned error exit status 127
  ErrorMessage: subprocess installed pre-removal script returned error exit status 127
  InstallationDate: Installed on 2019-06-24 (1 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.5
   apt  1.2.32
  SourcePackage: python3-defaults
  Title: package python3 3.5.1-3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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