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[Launchpad Bug Tracker <1371973@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: xorg-server (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1371973

Title:
  Xorg crashed with SIGSEGV

Status in “xorg-server” package in Ubuntu:
  Confirmed

Bug description:
  I have a lenovo yoga pro 2 with intel chipset 3200x1800.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-core 2:1.16.0-1ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-16.22-generic 3.16.2
  Uname: Linux 3.16.0-16-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sat Sep 20 12:46:54 2014
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/Xorg
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:3978]
  InstallationDate: Installed on 2014-08-23 (28 days ago)
  InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Alpha amd64 (20140822)
  MachineType: LENOVO 20266
  ProcCmdline: /usr/bin/X :0 -background none -noreset -verbose -auth /var/run/gdm/auth-for-gdm-9kac4P/database -seat seat0 -nolisten tcp vt7
  ProcEnviron:
   LANG=en_US.UTF-8
   TERM=linux
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-16-generic.efi.signed root=UUID=38139456-4a6f-40d7-9a9d-1d58b22f9474 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fcf98b888ec:	mov    0x10(%rdi),%rax
   PC (0x7fcf98b888ec) ok
   source "0x10(%rdi)" (0x00000010) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: xorg-server
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: Xorg crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 10/31/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 76CN31WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Yoga2
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 Pro
  dmi.modalias: dmi:bvnLENOVO:bvr76CN31WW:bd10/31/2013:svnLENOVO:pn20266:pvrLenovoYoga2Pro:rvnLENOVO:rnYoga2:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoYoga2Pro:
  dmi.product.name: 20266
  dmi.product.version: Lenovo Yoga 2 Pro
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.2.6-1ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.2.6-1ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Sat Sep 20 12:47:39 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16970 
   vendor                                     SDC
  xserver.version: 2:1.16.0-1ubuntu1

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