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

[Martin Spacek]

I can confirm that removing splash (or in my case, changing "splash" to
"nosplash") works around the problem, as does using "nomodeset". This is
on the latest Xubuntu daily live amd64 image, from USB, nvidia GT216.
Don't think it's been mentioned before, nouveau throws a dmesg about GPU
lockup when I switch to a TTY and try running "startx". Also, apport
reports an Xorg crash once the desktop appears (at least when I boot
using "nosplash"). Might be related.

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https://bugs.launchpad.net/bugs/1043518

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

Status in “ubiquity” package in Ubuntu:
  Confirmed

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)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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