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[Bug 1448720] Re: System lockup during boot if not i915.modeset=0 or nomodeset is used

 

Maurits Lamers, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect -p xorg 1448720

Please ensure you have the package xdiagnose installed, and that you
click the Yes button for attaching additional debugging information.

** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu)

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1448720

Title:
  System lockup during boot if not i915.modeset=0 or nomodeset is used

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Booting without the nomodeset or i915.modeset=0 results in a complete system lockup during boot.
  This has increasingly been happening in the later versions of Lubuntu 14.10, but after upgrade to 15.04 has become permanent.

  The only way to start is using the nomodeset or i915.modeset=0
  settings, which reduces the resolution which can be used.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.1
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Sun Apr 26 19:17:48 2015
  InstallationDate: Installed on 2015-03-18 (39 days ago)
  InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to vivid on 2015-04-26 (0 days ago)

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References