Xwayland crashed with SIGABRT in OsAbort()

[Alex Murray]

After upgrading to groovy, on login apport appeared with this crash...

ProblemType: Crash
DistroRelease: Ubuntu 20.10
Package: xwayland 2:1.20.8-2ubuntu6
ProcVersionSignature: Ubuntu 5.8.0-20.21-generic 5.8.10
Uname: Linux 5.8.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu49
Architecture: amd64
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: GNOME-Greeter:GNOME
Date: Wed Oct 7 01:27:01 2020
DistUpgraded: 2020-10-07 01:17:30,292 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py'
DistroCodename: groovy
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xwayland
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Lenovo UHD Graphics 620 [17aa:225c]
InstallationDate: Installed on 2019-11-18 (323 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 20KHCTO1WW
ProcCmdline: /usr/bin/Xwayland :1024 -rootless -noreset -accessx -core -auth /run/user/124/.mutter-Xwaylandauth.AQH7R0 -listen 4 -displayfd 5 -listen 6 -extension SECURITY
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/false
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-20-generic root=/dev/mapper/vgubuntu-root ro quiet splash psmouse.synaptics_intertouch=1
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort ()
 ?? ()
 FatalError ()
 InitOutput ()
 ?? ()
Title: Xwayland crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to groovy on 2020-10-06 (0 days ago)
UserGroups: N/A
dmi.bios.date: 06/03/2020
dmi.bios.release: 1.49
dmi.bios.vendor: LENOVO
dmi.bios.version: N23ET74W (1.49 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20KHCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.21
dmi.modalias: dmi:bvnLENOVO:bvrN23ET74W(1.49):bd06/03/2020:br1.49:efr1.21:svnLENOVO:pn20KHCTO1WW:pvrThinkPadX1Carbon6th:rvnLENOVO:rn20KHCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Carbon 6th
dmi.product.name: 20KHCTO1WW
dmi.product.sku: LENOVO_MT_20KH_BU_Think_FM_ThinkPad X1 Carbon 6th
dmi.product.version: ThinkPad X1 Carbon 6th
dmi.sys.vendor: LENOVO
separator:

version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.102-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.1.8-1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.1.8-1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200714-1
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 #1751508, 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.