Xwayland crashed with SIGABRT in OsAbort()

[artukso]

I don't know what happened

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xwayland 2:1.19.6-1ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CrashCounter: 1
CurrentDesktop: GNOME-Greeter:GNOME
Date: Fri Apr 20 10:55:53 2018
DistUpgraded: 2018-04-17 18:42:53,412 DEBUG icon theme changed, re-reading
DistroCodename: bionic
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xwayland
ExecutableTimestamp: 1523633505
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Trinity [Radeon HD 7520G] [1002:9990] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Trinity [Radeon HD 7520G] [103c:1847]
InstallationDate: Installed on 2018-03-18 (34 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
MachineType: Hewlett-Packard HP Pavilion g4 Notebook PC
ProcCmdline: /usr/bin/Xwayland :1024 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6
ProcCwd: /var/lib/gdm3
ProcEnviron:
 LANGUAGE=es_MX:es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_MX.UTF-8
 SHELL=/bin/false
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-15-generic.efi.signed root=UUID=6beffe3f-fbfe-42e0-910f-5b566df0690e ro quiet splash vt.handoff=1
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 ?? ()
 ?? ()
Title: Xwayland crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to bionic on 2018-04-17 (3 days ago)
UserGroups:

dmi.bios.date: 11/02/2012
dmi.bios.vendor: Insyde
dmi.bios.version: F.17
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1847
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 57.50
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.17:bd11/02/2012:svnHewlett-Packard:pnHPPaviliong4NotebookPC:pvr0883110000305B10000610100:rvnHewlett-Packard:rn1847:rvr57.50:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=PAV
dmi.product.name: HP Pavilion g4 Notebook PC
dmi.product.version: 0883110000305B10000610100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc5-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc5-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Tue Apr 17 14:25:17 2018
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.5-0ubuntu2~16.04.1
xserver.video_driver: radeon

[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 #1731911, 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.