[Bug 413415] Re: console-setup hangs under chroot debootstrap with a console login on ttyX

[Abdulrahman Dimashki]

I have used the next workaround in Lucid -> Lucid setup:

If you already have the following process in process list:
/bin/sh /bin/setupcon --force --save
kill it from the host

or, -on the target- before installing console-setup package, install
'kbd', then

On the target:
cd /bin/
mv fgconsole fgconsole.bak
cat > fgconsole.new << EOF
> #!/bin/bash
> 
> echo "intentional  error" >&2
> exit 1
> EOF
chmod +x fgconsole.new
ln -s fgconsole.new fgconsole

this will make any invocation of /bin/fgconsole to fail, which will
cause the postinstall script of console-setup to invoke 'setupcon' with
'--save-only' parameter instead of '--save --force'

now install 'console-setup'
apt-get install console-setup

This will continue the post script if you have killed 'setupcon'
previously.

After the installation, restore /bin/fgconsole.

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https://bugs.launchpad.net/bugs/413415

Title:
  console-setup hangs under chroot debootstrap with a console login on
  ttyX

Status in “console-setup” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: console-setup

  When debootstraping a Ubuntu chroot using debootstrap the console-
  setup postconfigure invokes the console-setup init-script.

  When the console-setup initscript is invoked while there is a console
  login on one of the system ttys, it hangs forever trying to write to
  that tty.

  When there is no console login, the behaviour is as expected.  I do
  not know if this bug exists in Debian, however, because console-setup
  is not part of the base system there.

  This is a critical issue because it makes debootstrap behave
  incorrectly on servers with people logged in on the console...

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