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[Tobias Lausch <tobias.lausch@xxxxxxxxxxx>]

Bbacktrace of unity crashing due to illegal instruction.

** Attachment added: "Corresponding unity backtrace"
   https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1470097/+attachment/4422445/+files/unity_backtrace.txt

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https://bugs.launchpad.net/bugs/1470097

Title:
  Unity does not support cpus without sse4

Status in unity package in Ubuntu:
  New

Bug description:
  Unity uses sse4 instructions which are not available on older  celeron
  or pentium cpus.

  The instruction being used causing unity to crash is
  PEXTRD

  In this case one cannot login into the default unity session.
  current workaround is to install gnome.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: unity 7.3.2+15.04.20150420-0ubuntu1 [modified: usr/bin/unity]
  ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
  Uname: Linux 3.19.0-21-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: GNOME
  Date: Tue Jun 30 14:32:20 2015
  InstallationDate: Installed on 2015-06-29 (0 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)

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