[Bug 1043518] Re: live cd is unusable due to video degradation with the splash boot option enabled

Doug McMahon 1043518 at bugs.launchpad.net
Mon Sep 17 20:28:53 UTC 2012

plymouth seems a bit suspect here for a couple of reason
Virtually all users reporting or confirming this, here or elsewhere, had this start occurring  with live images shortly after 08/16
(I have a 08/15 image here that works fine, plymouth_0.8.4-0ubuntu1
Plymouth got a major upgrade on 08/16 

Additionally there is a way on this hardware to now cause a corrupted  unity greeter on an install, with the default plymouth packages downgraded to 0.8.4-0ubuntu1 it doesn't occur.
(a bit involved & requires 2 12.10 installs

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  live cd is unusable due to video degradation with the splash boot
  option enabled

Status in “plymouth” package in Ubuntu:
Status in “ubiquity” package in Ubuntu:

Bug description:
  All images after 08/15 have become unusable, either to install from or to use a live session.
  Images from 08/17 & earlier work fine as does the install itself.

  Attached are 2 possible screens which seem to vary depending on which
  partition grub is configured on in a multi-boot system (12.04 & 12.10

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: ubiquity (not installed)
  ProcVersionSignature: Ubuntu 3.5.0-9.9-generic 3.5.0
  Uname: Linux 3.5.0-9-generic x86_64
  ApportVersion: 2.5.1-0ubuntu3
  Architecture: amd64
  Date: Wed Aug 29 16:21:08 2012
  InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120813.1)
   PATH=(custom, no user)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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