Xorg crashed with SIGABRT in OsAbort()

[Jason Duerstock]

Crash file shows up when I try to log in with a certain user. X restarts.

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: xserver-xorg-core 2:1.19.3-1ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-20.22-generic 4.10.8
Uname: Linux 4.10.0-20-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CrashCounter: 1
Date: Tue Apr 25 06:29:18 2017
DistUpgraded: 2017-04-25 06:17:42,760 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py'
DistroCodename: zesty
DistroVariant: ubuntu
ExecutablePath: /usr/lib/xorg/Xorg
ExecutableTimestamp: 1490632988
GraphicsCard:
 Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
   Subsystem: Dell 4th Gen Core Processor Integrated Graphics Controller [1028:05be]
 Advanced Micro Devices, Inc. [AMD/ATI] Mars XTX [Radeon HD 8790M] [1002:6606] (rev ff) (prog-if ff)
InstallationDate: Installed on 2016-12-20 (125 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
MachineType: Dell Inc. Latitude E6540
ProcCmdline: /usr/lib/xorg/Xorg -core :2 -seat seat0 -auth /var/run/lightdm/root/:2 -nolisten tcp vt9 -novtswitch
ProcCwd: /
ProcEnviron: PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-20-generic root=UUID=97c10a51-62ca-4744-a422-9889c011dde8 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 xf86PostProbe ()
 InitOutput ()
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to zesty on 2017-04-25 (0 days ago)
UserGroups:

dmi.bios.date: 05/01/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 0725FP
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA09:bd05/01/2014:svnDellInc.:pnLatitudeE6540:pvr01:rvnDellInc.:rn0725FP:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6540
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.13.1+17.04.20170109-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.3-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.3-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.14-0ubuntu1

[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 #1673649, 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.