[Bug 1442405] Re: plymouth locks console termios, breaking serial consoles

[Andy Lutomirski]

>> The official docs [1] say to do:
>
> Dangling reference here; I don't know which doc you got this from.

Whoops.

https://help.ubuntu.com/community/SerialConsoleHowto

> Why do you say that it doesn't? The 'stopped rc RUNLEVEL=2' event, when
> emitted, should trigger this job to be called. This is the same event that
> triggers the start of your tty job, so it certainly is being emitted.

Sorry, I read that wrong.  You're right.

I do have lightdm installed, which is odd, since I don't have any of the
xorg packages installed.  I wonder if that's somehow related.  I don't
have a /var/log/upstart/plymouth-stop.log.

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https://bugs.launchpad.net/bugs/1442405

Title:
  plymouth locks console termios, breaking serial consoles

Status in plymouth package in Ubuntu:
  Incomplete
Status in upstart package in Ubuntu:
  Invalid

Bug description:
  I have a more or less standard non-graphical Ubuntu 14.04 server
  installation.  I boot with console=ttyS1,115200, and I have
  /etc/init/ttyS1.conf that's more or less the same as all the standard
  /etc/init/ttyN.conf files.

  The serial console login doesn't work because plymouth seems to think
  it's showing its bootsplash and it locks the termios settings using
  TIOCSLCKTRMIOS.  This completely breaks /bin/login, which *requires*
  working buffered mode.

  I have no idea what mechanism is supposed to tell Plymouth to dismiss
  its splash screen when boot up is done, but it's clearly broken.  What
  gives?

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