Xorg crashed with SIGSEGV

[Jose Gómez]

Crash while opening nemo.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: xserver-xorg-core 2:1.16.0-1ubuntu1
Uname: Linux 3.16.1-031601-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: None
Date: Wed Sep 24 23:34:37 2014
DistUpgraded: 2014-09-24 03:27:10,644 DEBUG enabling apt cron job
DistroCodename: utopic
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:05fe]
InstallationDate: Installed on 2014-02-04 (234 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140203)
MachineType: Dell Inc. XPS 15 9530
ProcCmdline: /usr/bin/X :0 -background none -noreset -verbose -auth /var/run/gdm/auth-for-gdm-998d39/database -seat seat0 -nolisten tcp vt7
ProcEnviron:
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB
 PATH=(custom, no user)
 TERM=linux
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.1-031601-generic root=UUID=d7bcaffd-60e1-4fef-93fb-3d73a8d18907 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f3b1a2098ec: mov 0x10(%rdi),%rax
 PC (0x7f3b1a2098ec) 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: Upgraded to utopic on 2014-09-24 (2 days ago)
UserGroups:

dmi.bios.date: 07/16/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: XPS 15 9530
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd07/16/2014:svnDellInc.:pnXPS159530:pvrA06:rvnDellInc.:rnXPS159530:rvrA06:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: XPS 15 9530
dmi.product.version: A06
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
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: Fri Sep 26 20:53:24 2014
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id 5112
 vendor SHP
xserver.version: 2:1.16.0-1ubuntu1

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1371973, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.