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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 1548052

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

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https://bugs.launchpad.net/bugs/1548052

Title:
  New Ubuntu 14.04.4 LTS intel video driver Xorg segmentation fault

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Two monitors KDE env (laptop LCD + external moinitor). Installed new
  wily LTS kernel with the video driver:

  sudo apt-get install --install-recommends linux-generic-lts-wily
  xserver-xorg-core-lts-wily xserver-xorg-lts-wily xserver-xorg-video-
  all-lts-wily xserver-xorg-input-all-lts-wily libwayland-egl1-mesa-lts-
  wily libgl1-mesa-glx-lts-wily libgl1-mesa-glx-lts-wily:i386 libglapi-
  mesa-lts-wily:i386

  After 4 hours of working in Chromium (with --disable-gpu flag) I got
  segmentation fault:

  [ 11249.976] (EE)
  [ 11249.976] (EE) Backtrace:
  [ 11249.977] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x5611c75a5308]
  [ 11249.977] (EE) 1: /usr/bin/X (0x5611c7404000+0x1a5359) [0x5611c75a9359]
  [ 11249.977] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fda90346000+0x36d40) [0x7fda9037cd40]
  [ 11249.977] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x259dc) [0x7fda8c15b9dc]
  [ 11249.977] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x26b3f) [0x7fda8c15cb3f]
  [ 11249.977] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x4a2a8) [0x7fda8c1802a8]
  [ 11249.977] (EE) 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x4a874) [0x7fda8c180874]
  [ 11249.977] (EE) 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x591d6) [0x7fda8c18f1d6]
  [ 11249.977] (EE) 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7fda8c136000+0x59649) [0x7fda8c18f649]
  [ 11249.977] (EE) 9: /usr/bin/X (0x5611c7404000+0x13021d) [0x5611c753421d]
  [ 11249.978] (EE) 10: /usr/bin/X (0x5611c7404000+0x51205) [0x5611c7455205]
  [ 11249.978] (EE) 11: /usr/bin/X (0x5611c7404000+0x5433e) [0x5611c745833e]
  [ 11249.978] (EE) 12: /usr/bin/X (0x5611c7404000+0x5818b) [0x5611c745c18b]
  [ 11249.978] (EE) 13: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fda90367ec5]
  [ 11249.978] (EE) 14: /usr/bin/X (0x5611c7404000+0x4370e) [0x5611c744770e]
  [ 11249.978] (EE)
  [ 11249.978] (EE) Segmentation fault at address 0x7fd8e21dbde0
  [ 11249.978] (EE)
  Fatal server error:
  [ 11249.978] (EE) Caught signal 11 (Segmentation fault). Server aborting
  [ 11249.978] (EE)
  [ 11249.978] (EE)

  Full log attached.

  kernel cmdline:
  cat /proc/cmdline
  BOOT_IMAGE=/vmlinuz-4.2.0-27-generic root=/dev/mapper/VG-root ro quiet splash tpm_tis.interrupts=0 video=efifb vt.handoff=7

  cat /proc/version_signature
  Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1

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