Xwayland crashed with SIGABRT in OsAbort()

[Nathaniel W. Turner]

I have an Intel NUC (D54250WYK) with an HDMI monitor connection. When I plug a displayport hub with 2 more monitors into the system, it freezes up and if I wait long enough and then unplug the dp hub, I get a crash and restart.

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: xwayland 2:1.20.7-2ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
BootLog:

CompositorRunning: None
CrashCounter: 1
CurrentDesktop: GNOME
Date: Mon Feb 10 16:51:24 2020
DistUpgraded: 2020-01-04 19:51:57,022 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py'
DistroCodename: focal
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xwayland
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a26] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:2054]
InstallationDate: Installed on 2015-03-26 (1782 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
ProcCmdline: /usr/bin/Xwayland :0 -rootless -noreset -accessx -core -auth /run/user/1000/.mutter-Xwaylandauth.5XWXF0 -listen 4 -listen 5 -displayfd 6
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-12-generic root=/dev/mapper/hostname--vg-root ro
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0
Title: Xwayland crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to focal on 2020-01-05 (36 days ago)
UserGroups: adm cdrom dip libvirt libvirtd lpadmin plugdev sambashare staff sudo
XorgLogOld:

dmi.bios.date: 01/26/2015
dmi.bios.vendor: Intel Corp.
dmi.bios.version: WYLPT10H.86A.0035.2015.0126.1814
dmi.board.name: D54250WYK
dmi.board.vendor: Intel Corporation
dmi.board.version: H13922-304
dmi.chassis.type: 3
dmi.modalias: dmi:bvnIntelCorp.:bvrWYLPT10H.86A.0035.2015.0126.1814:bd01/26/2015:svn:pn:pvr:rvnIntelCorporation:rnD54250WYK:rvrH13922-304:cvn:ct3:cvr:
separator:

version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.libgl1-mesa-dri: libgl1-mesa-dri 19.3.3-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

[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 #1745799, 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.