[Bug 813065] Re: Live session switches to VT console briefly

[Steve Langasek]

Targeting for oneiric.

There will always be a switch from graphics to text mode here, because
the ubiquity menu session has to drop to make room for the "try ubuntu"
live session - kill one X server, start the next.  What we shouldn't
have, though, is any text on this screen when we do so.

The exact text contents there are going to depend on the timing of
plymouth vs. /etc/init/rc.  The messages generated while plymouth is
still running should all be redirected, but once plymouth shuts down
they'll go to the console (and are meant to for debuggability if things
break partway through).  So something needs to take care of clearing the
console once we're satisfied that we have a successful boot.

The best time to do this would be right before ubiquity shuts down the
first X session.  In fact, we might want to arrange to do the same thing
from the DM on the running system at shutdown.

BTW, Colin says that these messages should also be logged to
/var/log/boot.log, but I'm not sure that's the case when plymouth has
already exited.

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https://bugs.launchpad.net/bugs/813065

Title:
  Live session switches to VT console briefly

Status in “casper” package in Ubuntu:
  Confirmed
Status in “casper” source package in Oneiric:
  Confirmed

Bug description:
  ISO testing ubuntu/lucid-desktop-amd64.iso from 2011-07-19

  Expected: "Try ubuntu" to load the desktop as a live session
  Actual: After clicking "Try ubuntu", first switches to a VT console, then switches back before starting the desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: ubiquity 2.2.27
  ProcVersionSignature: Ubuntu 2.6.32-33.70-generic 2.6.32.41+drm33.18
  Uname: Linux 2.6.32-33-generic x86_64
  Architecture: amd64
  Date: Tue Jul 19 18:25:09 2011
  LiveMediaBuild: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110719.1)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity

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