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[Bug 1247189] Re: [13.10] Ubuntu freezes completely when switching user


Are you being serious? It was reported 1,5 months ago. Last activity was
16 days ago. Do you want me to test the upstream kernel daily or what?

This bug affect the latest stable version of Ubuntu and it is still a

What makes you think this is a kernel bug anyway? It is not happening if
the nVidia card is disabled in the bios.

** Also affects: xserver-xorg-video-nouveau (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: xserver-xorg-video-nouveau (Ubuntu)
       Status: New => Confirmed

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  [13.10] Ubuntu freezes completely when switching user

Status in “linux” package in Ubuntu:
Status in “xserver-xorg-video-nouveau” package in Ubuntu:

Bug description:
  I'm using a freshly installed Ubuntu 13.10.
  As soon as I click on a different user I want to switch to in the gearbox menu I get a black screen and nothing else is happening. I'm still able to SSH to that box and top does not show any process taking 100% CPU. Alt+sysrq+b is able to reboot the system.
  I had no problem like this with Ubuntu 13.04 on the same computer.

  Update: There is no issue if the nVidia card is disabled in the BIOS
  and I'm using the integrated video card of my i7 CPU.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: lightdm 1.8.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Fri Nov  1 17:40:41 2013
  InstallationDate: Installed on 2013-10-30 (2 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  SourcePackage: lightdm
  UpgradeStatus: No upgrade log present (probably fresh install)

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