*** This bug is a duplicate of bug 1421808 ***
    https://bugs.launchpad.net/bugs/1421808

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1421808, so it 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. Feel free to continue to report any other bugs you may
find.


** This bug has been marked a duplicate of bug 1421808
   Xorg crashed with SIGABRT in OsAbort() from AbortServer() from FatalError() 
from xf86VTEnter()

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https://bugs.launchpad.net/bugs/1774635

Title:
  Xorg crashes - SIGABRT - after resuming from suspend

Status in xorg-server package in Ubuntu:
  New

Bug description:
  In the last months, Xorg started crashing randomly after I resume from sleep. 
  I've installed Xubuntu 18.04 from scratch (keeping only the /home partition) 
hoping that the problem would be gone. But it isn't. 

  It seems to be related to the external monitor - ie when there is an
  external monitor plugged in and I suspend the computer, and when I
  resume there's only the laptop. But it doesn't always happen, so I
  don't have clear steps for reproducing.

  ProblemType: Crash
  DistroRelease: Ubuntu 18.04
  Package: xserver-xorg-core 2:1.19.6-1ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
  Uname: Linux 4.15.0-22-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.1
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CrashCounter: 1
  Date: Thu May 31 18:01:17 2018
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  DpkgLog:
   
  ExecutablePath: /usr/lib/xorg/Xorg
  ExecutableTimestamp: 1523633505
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] 
(rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Haswell-ULT Integrated Graphics Controller [1028:05e3]
  InstallationDate: Installed on 2018-05-22 (10 days ago)
  InstallationMedia: Xubuntu 18.04 LTS "Bionic Beaver" - Release amd64 
(20180426)
  MachineType: Dell Inc. XPS 12-9Q33
  ProcCmdline: /usr/lib/xorg/Xorg -core :0 -seat seat0 -auth 
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
  ProcCwd: /
  ProcEnviron: PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-22-generic 
root=UUID=0da52507-c787-46d7-9266-d53448c18283 ro quiet splash vt.handoff=1
  Signal: 6
  SourcePackage: xorg-server
  StacktraceTop:
   OsAbort ()
   ?? ()
   FatalError ()
   xf86VTEnter ()
   WakeupHandler ()
  Title: Xorg crashed with SIGABRT in OsAbort()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 03/03/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.asset.tag: 00000
  dmi.board.name: XPS 12-9Q33
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A08
  dmi.chassis.asset.tag: 00000
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: 
dmi:bvnDellInc.:bvrA08:bd03/03/2015:svnDellInc.:pnXPS12-9Q33:pvrA08:rvnDellInc.:rnXPS12-9Q33:rvrA08:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: XPS 12-9Q33
  dmi.product.version: A08
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  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 N/A
  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

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