Xorg crashed with SIGABRT in OsAbort()

[PeterPall]

Random crashes that happen on high cpu load and RAM usage (not so high that a process needs to be killed, though!) when using gnome-shell. The cairo-dock session seems to be unaffected.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: xserver-xorg-core 2:1.19.3-1ubuntu6
Uname: Linux 4.13.1-041301-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
BootLog:

CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Thu Sep 14 08:56:38 2017
DistUpgraded: Fresh install
DistroCodename: artful
DistroVariant: ubuntu
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] 3rd Gen Core processor Graphics Controller [1025:0747]
MachineType: Acer Aspire S7-391
ProcCmdline: /usr/lib/xorg/Xorg -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
ProcEnviron: PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.13.1-041301-generic root=UUID=6d0fd0ad-9048-4fdb-881a-eba6d6d13c3b ro rootflags=subvol=@ acpi_backlight=vendor init=/lib/systemd/systemd intel_pstate=enable quiet splash acpi_backlight=vendor init=/lib/systemd/systemd intel_pstate=enable video=vesafb:ywrap,mtrr=3 vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 CreateWellKnownSockets ()
 ?? ()
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 11/16/2012
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.09
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Storm
dmi.board.vendor: Acer
dmi.board.version: V2.09
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.09
dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.09:bd11/16/2012:svnAcer:pnAspireS7-391:pvrV2.09:rvnAcer:rnStorm:rvrV2.09:cvnAcer:ct10:cvrV2.09:
dmi.product.family: ChiefRiver System
dmi.product.name: Aspire S7-391
dmi.product.version: V2.09
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.13.1+17.10.20170720-0ubuntu1
version.libdrm2: libdrm2 2.4.82-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.0-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

[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 #1546541, 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.