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

 

Hi People, 
Iḿ using 14.04 and experienced this bug on first try to switch users.

FRESH install of 14.04.
My user as computer admin, my wife as normal user, another 3 users (nerver logged in) 

steps: 
1. Boot
2 . Logged in with first user
3. Upper rigth "gear" icon -> sithch user
4. Desktop shows screen with all users, but frezzes completely

-> not able to ctrl-alt-Fn to any tty
-> If previosly openned a TTY not able to switch back

The only UI custom sets where enable local menus , language settings
portuguese,, enable  directory sort on nautilus and set wallpaper.


===== SETUP PACKAGES ==========
After fresh install:
sudo apt-get update && sudo apt-get upgrade
sudo apt-get install geany  geany-plugins vim zim nmon
--
sudo apt-get install gimp gimp-data gimp-data-extras gimp-plugin-registry  graphviz gnuplot feedgnuplot gnuplot-doc libgnuplot-iostream-dev python-gnuplot graphviz-doc  icu-doc 
fontforge fontforge-extras icontool imagemagick inkscape
sudo apt-get install vlc zim  unity-tweak-tool mplayer smplayer 
sudoo apt-get install gstreamer0.10-plugins-ugly libxine1-ffmpeg gxine mencoder libdvdread4 totem-mozilla icedax tagtool easytag id3tool lame nautilus-script-audio-convert libmad0 mpg321 libavcodec-extra
l ubuntu-restricted-extras   
sudo /usr/share/doc/libdvdread4/install-css.sh
----
sudo apt-get install clamav clamtk
--
#### Java
sudo apt-get install openjdk-7-jdk openjdk-7-jre icedtea-7-plugin
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
sudo apt-get install oracle-java7-installer
sudo apt-get install oracle-java6-installer
---
sudo apt-get install skype
sudo apt-get install filezilla filezilla-common
sudo apt-get install unace rar unrar p7zip-rar p7zip zip unzip sharutils uudeview mpack arj cabextract file-roller
---
sudo apt-get install darktable digikam

#### Chrome
wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
sudo sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
sudo apt-get update
sudo apt-get install google-chrome-stable
----
sudo apt-get install activity-log-manager activity-log-manager-control-center
sudo apt-get install gufw
--
#### NETFLIX
sudo apt-add-repository ppa:ehoover/compholio;
sudo apt-get update ;
sudo apt-get install netflix-desktop redbox-desktop lovefilm-desktop;
--
#### Virtualbox
sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc)  contrib" >> /etc/apt/sources.list'
sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -sc)  contrib" >> /etc/apt/sources.list'
wget -q http://download.virtualbox.org/virtualbox/debian/oracle_vbox.asc -O- | sudo apt-key add -
sudo apt-get update & sudo apt-get install virtualbox
---
sudo apt-get install flashplugin-installer
sudo apt-get install nmon
sudo apt-get install unity-tweak-tool
sudo apt-get install gnome-tweak-tool
--
#### Dropbox
sudo apt-get install nautilus-dropbox
sudo apt-get install libappindicator1
---
#### Pipelight
sudo apt-add-repository ppa:pipelight/stable
sudo apt-get update
sudo apt-get install pipelight-multi
sudo pipelight-plugin --enable silverlight
sudo pipelight-plugin --enable widevine
----
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw
sudo tlp start
---
Setting Nautilus preferences...'
    gsettings set org.gnome.nautilus.preferences sort-directories-first true
--
sudo apt-get install svn git bzr nodejs python3-distutils-extra glade 
sudo apt-get install openssh-server
--
sudo apt-get install mysql-server
sudo apt-get install libqt4-sql-mysql

=== Istall Brasil IRS Anual Report java software.

sudo apt-get -f install 
sudo apt-get autoremove 
sudo apt-get -y autoclean 
sudo apt-get -y clean
================ INSTALL STEPS =======

After this I setup digikam with mysql  and HP PSC-1510C printer.

Except java app, hplip nmon, digikam, mysql, zim, zip chrome, firefox
and libreoffice I not used any of the other softwares installerd , yet.

On Software & Updates -> Additional drivers -> nothing was change since install
No pproprietary drivers in use
Using X.Org Server - Noveau display driver from xserver-xorg-video-noveau.

Please guide me how to select/extract any other logs that might help.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1247189

Title:
  Ubuntu freezes completely when switching user

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

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.

  WORKAROUND: Disable the nvidia card in the BIOS.

  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)
  --- 
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     2816 F.... pulseaudio
  CasperVersion: 1.336ubuntu1
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140105)
  MachineType: Acer Aspire 5755G
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB:
   0 inteldrmfb
   1 nouveaufb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid initrd=/casper/initrd.lz quiet splash --
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-7-generic N/A
   linux-backports-modules-3.12.0-7-generic  N/A
   linux-firmware                            1.119
  Tags:  trusty
  Uname: Linux 3.12.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 08/09/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.21
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: JV51_HR
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.21
  dmi.modalias: dmi:bvnAcer:bvrV1.21:bd08/09/2012:svnAcer:pnAspire5755G:pvrV1.21:rvnAcer:rnJV51_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.21:
  dmi.product.name: Aspire 5755G
  dmi.product.version: V1.21
  dmi.sys.vendor: Acer

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