Xorg crashed with SIGABRT in BlockHandler()

[Stephen Boston]

Had just installed DisplayLink https://github.com/AdnanHodzic/displaylink-debian, plugged in ASUS USB monitor, opened Display

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.6-1ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CrashCounter: 1
Date: Sat Mar 3 11:41:44 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus: evdi, 4.1.9, 4.15.0-10-generic, x86_64: installed
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] RV730/M96 [Mobility Radeon HD 4650/5165] [1002:9480] (prog-if 00 [VGA controller])
   Subsystem: Sony Corporation RV730/M96 [Mobility Radeon HD 4650/5165] [104d:9035]
InstallationDate: Installed on 2018-03-03 (0 days ago)
InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180121)
MachineType: Sony Corporation VGN-FW520D
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-4.15.0-10-generic root=UUID=ff055880-4def-4191-93b5-8cc947c5e98b ro quiet splash vt.handoff=1
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
 ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
 BlockHandler ()
 WaitForSomething ()
Title: Xorg crashed with SIGABRT in BlockHandler()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 09/04/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R4070Y0
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR4070Y0:bd09/04/2009:svnSonyCorporation:pnVGN-FW520D:pvrC6023JPQ:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.family: VAIO
dmi.product.name: VGN-FW520D
dmi.product.version: C6023JPQ
dmi.sys.vendor: Sony Corporation
version.compiz: compiz 1:0.9.13.1+18.04.20180302-0ubuntu1
version.libdrm2: libdrm2 2.4.90-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.0~rc4-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.0~rc4-1ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
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

[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 #1743577, 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.