[Bug 2008460] [NEW] Crash when DNS server is not reachable

[Miranda Schumacher]

Public bug reported:

Installing Ubuntu 22 server with server-live-cd https://releases.ubuntu.com/22.04/ubuntu-22.04.2-live-server-amd64.iso
(md5sum e8d2a77c51b599c10651608a5d8c286f)

when the configured DNS server is only reachable via TCP but via UDP,
the installer crashes when the to be installed username is prompted for.

The crash did not appear anymore after DNS server was reachable via UDP,
too.

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

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https://bugs.launchpad.net/bugs/2008460

Title:
  Crash when DNS server is not reachable

Status in subiquity package in Ubuntu:
  New

Bug description:
  Installing Ubuntu 22 server with server-live-cd https://releases.ubuntu.com/22.04/ubuntu-22.04.2-live-server-amd64.iso
  (md5sum e8d2a77c51b599c10651608a5d8c286f)

  when the configured DNS server is only reachable via TCP but via UDP,
  the installer crashes when the to be installed username is prompted
  for.

  The crash did not appear anymore after DNS server was reachable via
  UDP, too.

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