[Bug 1895753] Re: Installation not waiting for netplan to be ready before showing bad archive mirror

[Benihanaz]

Bad archive mirror error screen

** Attachment added: "Bad archive mirror error screen"
   https://bugs.launchpad.net/ubuntu/+source/rhythmbox-plugin-alternative-toolbar/+bug/1895753/+attachment/5411169/+files/1.PNG

** Package changed: rhythmbox-plugin-alternative-toolbar (Ubuntu) =>
preseed (Ubuntu)

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https://bugs.launchpad.net/bugs/1895753

Title:
  Installation not waiting for netplan to be ready before showing bad
  archive mirror

Status in preseed package in Ubuntu:
  New

Bug description:
  We are experiencing problems automatically installing Ubuntu 20.04 on
  various servers using PXE and preseed.

  Our setup works correctly with some servers while failing more often
  than not with the rest. The failure is the "Bad archive mirror"
  standard error message. I've tried changing mirrors, that doesn't seem
  to make a difference. We have also tried another location of ours, to
  make sure it wasn't just a local mirror issue - that appears to have
  made no difference.

  If we manually press "Continue" and tell Ubuntu installer to fetch the
  preconfiguration file a second time it works without any problems.

  I suspect the reason it does not work the first time is that Ubuntu
  installer does not bother to wait until the network link is ready (ie.
  netplan), before attempting to fetch the preconfiguration file. In
  /var/log/syslog I can see that the interface comes up, but later than
  when the server tries to fetch the preconfig file.

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