[Bug 1324399] [NEW] apt-get failing to show progress with yes command

[Steven Shiau]

Public bug reported:

When running this command on Ubuntu 14.04 amd64 release:
yes "" | apt-get -y install tftpd-hpa
It never finishes... Only shows black screen on the terminal.
I know it's weird to use yes "" for this command. However, just to show it does make any sense the command can not be finished.
This issue does not occur on Ubuntu 13.10, nor on Debian Sid.

The following is some info about this system:
ProblemType: Bug
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
Date: Thu May 29 15:06:52 2014
Dependencies:
 dpkg 1.17.5ubuntu5.2
 gcc-4.8-base 4.8.2-19ubuntu1
 gcc-4.9-base 4.9-20140406-0ubuntu1
 gnupg 1.4.16-1ubuntu2
 gpgv 1.4.16-1ubuntu2
 libacl1 2.2.52-1
 libapt-pkg4.12 1.0.1ubuntu2
 libattr1 1:2.4.47-1ubuntu1
 libbz2-1.0 1.0.6-5
 libc6 2.19-0ubuntu6
 libgcc1 1:4.9-20140406-0ubuntu1
 liblzma5 5.1.1alpha+20120614-2ubuntu2
 libpcre3 1:8.31-2ubuntu2
 libreadline6 6.3-4ubuntu2
 libselinux1 2.2.2-1ubuntu0.1
 libstdc++6 4.8.2-19ubuntu1
 libtinfo5 5.9+20140118-1ubuntu1
 libusb-0.1-4 2:0.1.12-23.3ubuntu1
 multiarch-support 2.19-0ubuntu6
 readline-common 6.3-4ubuntu2
 tar 1.27.1-1
 ubuntu-keyring 2012.05.19
 zlib1g 1:1.2.8.dfsg-1ubuntu1
DistroRelease: Ubuntu 14.04
Package: apt 1.0.1ubuntu2
PackageArchitecture: amd64
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
SourcePackage: apt
Tags:  trusty
Uname: Linux 3.13.0-27-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
_MarkForUpload: True

** Affects: plymouth (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1324399

Title:
  apt-get failing to show progress with yes command

Status in “plymouth” package in Ubuntu:
  New

Bug description:
  When running this command on Ubuntu 14.04 amd64 release:
  yes "" | apt-get -y install tftpd-hpa
  It never finishes... Only shows black screen on the terminal.
  I know it's weird to use yes "" for this command. However, just to show it does make any sense the command can not be finished.
  This issue does not occur on Ubuntu 13.10, nor on Debian Sid.

  The following is some info about this system:
  ProblemType: Bug
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  Date: Thu May 29 15:06:52 2014
  Dependencies:
   dpkg 1.17.5ubuntu5.2
   gcc-4.8-base 4.8.2-19ubuntu1
   gcc-4.9-base 4.9-20140406-0ubuntu1
   gnupg 1.4.16-1ubuntu2
   gpgv 1.4.16-1ubuntu2
   libacl1 2.2.52-1
   libapt-pkg4.12 1.0.1ubuntu2
   libattr1 1:2.4.47-1ubuntu1
   libbz2-1.0 1.0.6-5
   libc6 2.19-0ubuntu6
   libgcc1 1:4.9-20140406-0ubuntu1
   liblzma5 5.1.1alpha+20120614-2ubuntu2
   libpcre3 1:8.31-2ubuntu2
   libreadline6 6.3-4ubuntu2
   libselinux1 2.2.2-1ubuntu0.1
   libstdc++6 4.8.2-19ubuntu1
   libtinfo5 5.9+20140118-1ubuntu1
   libusb-0.1-4 2:0.1.12-23.3ubuntu1
   multiarch-support 2.19-0ubuntu6
   readline-common 6.3-4ubuntu2
   tar 1.27.1-1
   ubuntu-keyring 2012.05.19
   zlib1g 1:1.2.8.dfsg-1ubuntu1
  DistroRelease: Ubuntu 14.04
  Package: apt 1.0.1ubuntu2
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  SourcePackage: apt
  Tags:  trusty
  Uname: Linux 3.13.0-27-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  _MarkForUpload: True

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