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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1327598

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1327598

Title:
  running bumblebee in Ubuntu 14.04 results in call trace in logs

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I tried installing bumblebee with nvidia-337 graphics  driver.
  Bumblebee does not work.

  # Configuration file for Bumblebee. Values should **not** be put
  between quotes

  ## Server options. Any change made in this section will need a server restart
  # to take effect.
  [bumblebeed]
  # The secondary Xorg server DISPLAY number
  VirtualDisplay=:8
  # Should the unused Xorg server be kept running? Set this to true if waiting
  # for X to be ready is too long and don't need power management at all.
  KeepUnusedXServer=false
  # The name of the Bumbleblee server group name (GID name)
  ServerGroup=bumblebee
  # Card power state at exit. Set to false if the card shoud be ON when Bumblebee
  # server exits.
  TurnCardOffAtExit=false
  # The default behavior of '-f' option on optirun. If set to "true", '-f' will
  # be ignored.
  NoEcoModeOverride=false
  # The Driver used by Bumblebee server. If this value is not set (or empty),
  # auto-detection is performed. The available drivers are nvidia and nouveau
  # (See also the driver-specific sections below)
  Driver=nvidia-337
  # Directory with a dummy config file to pass as a -configdir to secondary X
  XorgConfDir=/etc/bumblebee/xorg.conf.d

  ## Client options. Will take effect on the next optirun executed.
  [optirun]
  # Acceleration/ rendering bridge, possible values are auto, virtualgl and
  # primus.
  Bridge=auto
  # The method used for VirtualGL to transport frames between X servers.
  # Possible values are proxy, jpeg, rgb, xv and yuv.
  VGLTransport=proxy
  # List of paths which are searched for the primus libGL.so.1 when using
  # the primus bridge
  PrimusLibraryPath=/usr/lib/x86_64-linux-gnu/primus:/usr/lib/i386-linux-gnu/primus
  # Should the program run under optirun even if Bumblebee server or nvidia card
  # is not available?
  AllowFallbackToIGC=false

  
  # Driver-specific settings are grouped under [driver-NAME]. The sections are
  # parsed if the Driver setting in [bumblebeed] is set to NAME (or if auto-
  # detection resolves to NAME).
  # PMMethod: method to use for saving power by disabling the nvidia card, valid
  # values are: auto - automatically detect which PM method to use
  #         bbswitch - new in BB 3, recommended if available
  #       switcheroo - vga_switcheroo method, use at your own risk
  #             none - disable PM completely
  # https://github.com/Bumblebee-Project/Bumblebee/wiki/Comparison-of-PM-methods

  ## Section with nvidia driver specific options, only parsed if Driver=nvidia
  [driver-nvidia]
  # Module name to load, defaults to Driver if empty or unset
  KernelDriver=nvidia-337
  PMMethod=auto
  # colon-separated path to the nvidia libraries
  LibraryPath=/usr/lib/nvidia-337:/usr/lib32/nvidia-337
  # comma-separated path of the directory containing nvidia_drv.so and the
  # default Xorg modules path
  XorgModulePath=/usr/lib/nvidia-337/xorg,/usr/lib/xorg/modules
  XorgConfFile=/etc/bumblebee/xorg.conf.nvidia

  ## Section with nouveau driver specific options, only parsed if Driver=nouveau
  [driver-nouveau]
  KernelDriver=nouveau
  PMMethod=auto
  XorgConfFile=/etc/bumblebee/xorg.conf.nouveau

  
  attached is the dmesg log

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