[Bug 1157161] [NEW] Preseeded install with user definition fails

[Max Brustkern]

Public bug reported:

Several regular jenkins jobs that have been running some time began failing yesterday.  ubiquity and debian-installer based images are affected.  The message appearing is:
The username you have entered (root) is reserved for use by the system.  Please select a different one.
The username in use in these preseeds is jenkins.  I will attached one such preseed, a screenshot of the error in ubiquity, and a screenshot of a syslog from debian-installer.  I am trying to recreate the bug in ubiquity on an active system and run apport.

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

** Attachment added: "root-pw-issue.png"
   https://bugs.launchpad.net/bugs/1157161/+attachment/3583153/+files/root-pw-issue.png

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https://bugs.launchpad.net/bugs/1157161

Title:
  Preseeded install with user definition fails

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  Several regular jenkins jobs that have been running some time began failing yesterday.  ubiquity and debian-installer based images are affected.  The message appearing is:
  The username you have entered (root) is reserved for use by the system.  Please select a different one.
  The username in use in these preseeds is jenkins.  I will attached one such preseed, a screenshot of the error in ubiquity, and a screenshot of a syslog from debian-installer.  I am trying to recreate the bug in ubiquity on an active system and run apport.

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