Xorg aborts when systemd-logind is restarted [FatalError ("systemd-logind disappeared (stopped/restarted?)\n")]

[Laurent Bonnaud]

The X server aborted when I was restarting systemd-logind.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: xserver-xorg-core 2:1.18.3-1ubuntu2
Uname: Linux 4.5.0-040500-lowlatency x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,snap,resize,imgpng,move,mousepoll,wall,place,grid,session,gnomecompat,unitymtgrabhandles,regex,animation,workarounds,expo,ezoom,fade,scale,unityshell]
CompositorRunning: None
CurrentDesktop: KDE
Date: Tue Apr 12 11:08:40 2016
DistUpgraded: 2016-03-31 12:05:58,736 DEBUG enabling apt cron job
DistroCodename: xenial
DistroVariant: kubuntu
ExecutablePath: /usr/lib/xorg/Xorg
ExecutableTimestamp: 1460021088
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: ASRock Incorporation 3rd Gen Core processor Graphics Controller [1849:0166]
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: /usr/lib/xorg/Xorg vt7 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -background none -noreset -keeptty -verbose 7 -core
ProcCwd: /home/bonnaudl
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.5.0-040500-lowlatency root=UUID=347d095b-3b19-412b-841e-acfd162e2c53 ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 OsAbort () at ../../os/utils.c:1408
 AbortServer () at ../../os/log.c:877
 FatalError (f=f@entry=0x55ee0f23a508 "systemd-logind disappeared (stopped/restarted?)\n") at ../../os/log.c:1015
 message_filter (connection=<optimized out>, message=0x55ee106c58d0, data=0x55ee0f4b2b80 <logind_info>) at ../../../../../hw/xfree86/os-support/linux/systemd-logind.c:337
 dbus_connection_dispatch () from /lib/x86_64-linux-gnu/libdbus-1.so.3
Title: Xorg crashed with SIGABRT in OsAbort()
UpgradeStatus: Upgraded to xenial on 2016-03-31 (12 days ago)
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare staff
dmi.bios.date: 03/25/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: HM77-HT
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd03/25/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnHM77-HT:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.12.2+16.04.20160331-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sun Apr 3 11:42:41 2016
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:

xserver.version: 2:1.18.1-1ubuntu4

[Laurent Bonnaud (laurent-bonnaud)]

This is probably expected behavior.