[Bug 1946499] Re: installation of deb-packages with gdebi-gtk shows "dpkg: error: unable to read filedescriptor flags for <package status and progress file descriptor>: Bad file descriptor" in gdebi terminal, package is not installed

[Ubuntu Foundations Team Bug Bot]

The attachment "Patch to drop ubuntu-specific hack from gdebi because it
is not needed any more" seems to be a debdiff.  The ubuntu-sponsors team
has been subscribed to the bug report so that they can review and
hopefully sponsor the debdiff.  If the attachment isn't a patch, please
remove the "patch" flag from the attachment, remove the "patch" tag, and
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** Tags added: patch

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https://bugs.launchpad.net/bugs/1946499

Title:
  installation of deb-packages with gdebi-gtk shows "dpkg: error: unable
  to read filedescriptor flags for <package status and progress file
  descriptor>: Bad file descriptor" in gdebi terminal, package is not
  installed

Status in Ubuntu MATE:
  Confirmed
Status in gdebi package in Ubuntu:
  Confirmed
Status in ubuntu-mate-meta package in Ubuntu:
  Confirmed
Status in vte2.91 package in Ubuntu:
  Confirmed

Bug description:
  Steps to reproduce:
  1. Install Ubuntu MATE 21.10
  2. Open Firefox, navigate to discord.com
  3. Download deb-file. At time of writing from the https://dl.discordapp.net/apps/linux/0.0.16/discord-0.0.16.deb link
  4. Open Caja in ~/Downloads folder and use GDebi to install the discord-0.0.16.deb file
  5. In the GDebi window click Install button

  Expected results:
  * Gdebi quietly install discord package, there are no error messages in its terminal

  Actual results:
  * Gdebi terminal shows the error in the last line

  ```
  Selecting previously unselected package gconf2-common.
  (Reading database ... 457178 files and directories currently installed.)
  Preparing to unpack .../0-gconf2-common_3.2.6-7ubuntu2_all.deb ...
  Unpacking gconf2-common (3.2.6-7ubuntu2) ...
  Selecting previously unselected package libgconf-2-4:amd64.
  Preparing to unpack .../1-libgconf-2-4_3.2.6-7ubuntu2_amd64.deb ...
  Unpacking libgconf-2-4:amd64 (3.2.6-7ubuntu2) ...
  Selecting previously unselected package gconf-service-backend.
  Preparing to unpack .../2-gconf-service-backend_3.2.6-7ubuntu2_amd64.deb ...
  Unpacking gconf-service-backend (3.2.6-7ubuntu2) ...
  Selecting previously unselected package gconf-service.
  Preparing to unpack .../3-gconf-service_3.2.6-7ubuntu2_amd64.deb ...
  Unpacking gconf-service (3.2.6-7ubuntu2) ...
  Selecting previously unselected package libappindicator1.
  Preparing to unpack .../4-libappindicator1_12.10.1+20.10.20200706.1-0ubuntu1_amd64.deb ...
  Unpacking libappindicator1 (12.10.1+20.10.20200706.1-0ubuntu1) ...
  Selecting previously unselected package libunwind-13:amd64.
  Preparing to unpack .../5-libunwind-13_1%3a13.0.0-2_amd64.deb ...
  Unpacking libunwind-13:amd64 (1:13.0.0-2) ...
  Selecting previously unselected package libc++abi1-13:amd64.
  Preparing to unpack .../6-libc++abi1-13_1%3a13.0.0-2_amd64.deb ...
  Unpacking libc++abi1-13:amd64 (1:13.0.0-2) ...
  Selecting previously unselected package libc++1-13:amd64.
  Preparing to unpack .../7-libc++1-13_1%3a13.0.0-2_amd64.deb ...
  Unpacking libc++1-13:amd64 (1:13.0.0-2) ...
  Selecting previously unselected package libc++1:amd64.
  Preparing to unpack .../8-libc++1_1%3a13.0-53~exp1_amd64.deb ...
  Unpacking libc++1:amd64 (1:13.0-53~exp1) ...
  Setting up libappindicator1 (12.10.1+20.10.20200706.1-0ubuntu1) ...
  Setting up gconf2-common (3.2.6-7ubuntu2) ...

  Creating config file /etc/gconf/2/path with new version
  Setting up libunwind-13:amd64 (1:13.0.0-2) ...
  Setting up libc++abi1-13:amd64 (1:13.0.0-2) ...
  Setting up libc++1-13:amd64 (1:13.0.0-2) ...
  Setting up libc++1:amd64 (1:13.0-53~exp1) ...
  Setting up gconf-service (3.2.6-7ubuntu2) ...
  Processing triggers for libc-bin (2.34-0ubuntu2) ...
  Processing triggers for sgml-base (1.30) ...
  Setting up libgconf-2-4:amd64 (3.2.6-7ubuntu2) ...
  Setting up gconf-service-backend (3.2.6-7ubuntu2) ...
  Processing triggers for libc-bin (2.34-0ubuntu2) ...
  dpkg: error: unable to read filedescriptor flags for <package status and progress file descriptor>: Bad file descriptor
  ```

  and as the result Discord package is not installed .

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: gdebi 0.9.5.7+nmu5ubuntu1
  ProcVersionSignature: Ubuntu 5.13.0-16.16-generic 5.13.13
  Uname: Linux 5.13.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu70
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: MATE
  Date: Fri Oct  8 18:17:36 2021
  InstallationDate: Installed on 2021-10-08 (0 days ago)
  InstallationMedia: Ubuntu-MATE 21.10 "Impish Indri" - Daily amd64 (20211008)
  PackageArchitecture: all
  SourcePackage: gdebi
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.default.apport:
   # set this to 0 to disable apport, or to 1 to enable it
   # you can temporarily override this with
   # sudo service apport start force_start=1
   enabled=0
  mtime.conffile..etc.default.apport: 2021-10-08T15:41:41.001986

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