[Bug 1675453] Re: During d-i install of ubuntu-server from mini.iso I get no login prompt

[Łukasz Zemczak]

I'm learning all those bits slowly piece by piece here...

@Steve: it actually seems that "vt.handoff=1" is not equal to no-
vt.handoff. I would have to look into the vt.handoff kernel patches, but
without vt.handoff tty1 is indeed used by default for handoff and
everything, but the difference is that vt.handoff also turns the
terminal to a 'transparent' type until first switch in and out from that
terminal. What this means practically is that when "quiet splash
vt.handoff=1" is given, there is no output printed onto the screen and
all plymouth transitions are fluid (and the aubergine BG is present from
the start). Quoting Colin from askubuntu:

"vt.handoff=7 then causes the kernel to maintain the current contents of
video memory on virtual terminal 7, which is a new "transparent" VT
type. The first time that the kernel is told to switch away from VT 7,
either from Plymouth or manually (Alt-F1, etc.), these contents are lost
and VT 7 reverts to text mode."

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https://bugs.launchpad.net/bugs/1675453

Title:
  During d-i install of ubuntu-server from mini.iso I get no login
  prompt

Status in grub2 package in Ubuntu:
  In Progress
Status in plymouth package in Ubuntu:
  In Progress
Status in grub2 source package in Artful:
  In Progress
Status in plymouth source package in Artful:
  In Progress

Bug description:
  STEPS:
  1. Grab the mini.iso from http://archive.ubuntu.com/ubuntu/dists/zesty/main/installer-amd64/current/images/netboot/mini.iso
  2. Boot it
  3. Run the installer and from the tasksel list select ubuntu basic server and openssh server in addition to the default selected base
  4. Complete the install remove the media and reboot

  EXPECTED:
  I expect to see a login prompt

  ACTUAL:
  I get a blank screen with a cursor top left.  SSH logins work as expected

  WORKAROUND:
  Flip to an alternate TTY and you get the login prompt.

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