[Bug 2028920] [NEW] Update Manager crashes when unselecting any package in Ubuntu 23.04

[Lukáš Chmela]

Public bug reported:

Update Manager crashes every time I unselect, or no later than when I
re-select an offered package to be upgraded in Ubuntu 23.04. No crash
handling dialog window ever pops up (why?), no stack trace is available
when update-manager is launched from terminal. The only output I was
able to get from a terminal window is this:

~$ update-manager
Segmentation fault (core dumped)

The manager crashes every time I have to modify the list of updated
packages probably since the installation of Ubuntu 23.04. I had to do an
upgrade from Ubuntu 22.10 to an RC of Ubuntu 23.04 if I remember
correctly, because the new installer of Ubuntu 23.04 did not offer
installation to a secondary LUKS-encrypted partition in a dual boot with
Windows (only full-disk erase was offered). I later discovered that my
/boot partition is too small to contain firmware update images and,
since the last few days, also new Linux kernel. This is typically what I
try to unselect, which makes the upgrade-manager window disappear
silently and never re-appear again.

~$ lsb_release -rd
No LSB modules are available.
Description:	Ubuntu 23.04
Release:	23.04

~$ apt-cache policy update-manager
update-manager:
  Installed: 1:23.04.2
  Candidate: 1:23.04.2
  Version table:
 *** 1:23.04.2 500
        500 http://cz.archive.ubuntu.com/ubuntu lunar/main amd64 Packages
        500 http://cz.archive.ubuntu.com/ubuntu lunar/main i386 Packages
        100 /var/lib/dpkg/status

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: dist-upgrade

** Tags added: dist-upgrade

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https://bugs.launchpad.net/bugs/2028920

Title:
  Update Manager crashes when unselecting any package in Ubuntu 23.04

Status in update-manager package in Ubuntu:
  New

Bug description:
  Update Manager crashes every time I unselect, or no later than when I
  re-select an offered package to be upgraded in Ubuntu 23.04. No crash
  handling dialog window ever pops up (why?), no stack trace is
  available when update-manager is launched from terminal. The only
  output I was able to get from a terminal window is this:

  ~$ update-manager
  Segmentation fault (core dumped)

  The manager crashes every time I have to modify the list of updated
  packages probably since the installation of Ubuntu 23.04. I had to do
  an upgrade from Ubuntu 22.10 to an RC of Ubuntu 23.04 if I remember
  correctly, because the new installer of Ubuntu 23.04 did not offer
  installation to a secondary LUKS-encrypted partition in a dual boot
  with Windows (only full-disk erase was offered). I later discovered
  that my /boot partition is too small to contain firmware update images
  and, since the last few days, also new Linux kernel. This is typically
  what I try to unselect, which makes the upgrade-manager window
  disappear silently and never re-appear again.

  ~$ lsb_release -rd
  No LSB modules are available.
  Description:	Ubuntu 23.04
  Release:	23.04

  ~$ apt-cache policy update-manager
  update-manager:
    Installed: 1:23.04.2
    Candidate: 1:23.04.2
    Version table:
   *** 1:23.04.2 500
          500 http://cz.archive.ubuntu.com/ubuntu lunar/main amd64 Packages
          500 http://cz.archive.ubuntu.com/ubuntu lunar/main i386 Packages
          100 /var/lib/dpkg/status

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