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Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.

I'm setting the status of this bug to 'Incomplete' as it's not seen any
activity for some time. If this issue is still relevant when using a
currently maintained release of Ubuntu then please let us know which
one(s) otherwise this bug report can be left to expire in approximately
60 days time.

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

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https://bugs.launchpad.net/bugs/1373554

Title:
  Xorg crashed with SIGSEGV in dixDestroyPixmap()

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  no clue

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-core 2:1.16.0-1ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Wed Sep 24 17:15:38 2014
  DistUpgraded: 2014-09-18 11:52:29,671 DEBUG enabling apt cron job
  DistroCodename: utopic
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/Xorg
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] 
(rev 09) (prog-if 00 [VGA controller])
     Subsystem: CLEVO/KAPOK Computer Device [1558:6500]
     Subsystem: CLEVO/KAPOK Computer Device [1558:6500]
  InstallationDate: Installed on 2014-03-24 (184 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140323)
  MachineType: Notebook W650EH
  ProcCmdline: /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 
-nolisten tcp vt7 -novtswitch
  ProcEnviron:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic 
root=/dev/mapper/ubuntu--vg-root ro locale=pt_PT quiet splash 
acpi_backlight=vendor vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fb2a98af64e <IgnoreClient+14>:      mov    
(%rax),%ebx
   PC (0x7fb2a98af64e) ok
   source "(%rax)" (0x00000000) not located in a known VMA region (needed 
readable region)!
   destination "%ebx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: xorg-server
  StacktraceTop:
   dixDestroyPixmap ()
   ?? ()
   FreeClientResources ()
   CloseDownClient ()
   ?? ()
  Title: Xorg crashed with SIGSEGV in dixDestroyPixmap()
  UpgradeStatus: Upgraded to utopic on 2014-09-18 (6 days ago)
  UserGroups:
   
  dmi.bios.date: 04/08/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W650EH
  dmi.board.vendor: Notebook
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd04/08/2013:svnNotebook:pnW650EH:pvrNotApplicable:rvnNotebook:rnW650EH:rvrNotApplicable:cvnNoEnclosure:ct9:cvrN/A:
  dmi.product.name: W650EH
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook
  version.compiz: compiz 1:0.9.12+14.10.20140812-0ubuntu1
  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~exp1ubuntu3
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.11-1ubuntu2
  xserver.bootTime: Wed Sep 24 18:04:35 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                5563 
   vendor                                     CMN
  xserver.version: 2:1.16.0-1ubuntu1

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