Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg-server (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1733292
Title:
Xorg crashed with SIGSEGV in point_on_screen from miPointerSetPosition
from positionSprite from positionSprite from fill_pointer_events
Status in xorg-server package in Ubuntu:
Confirmed
Bug description:
occasional screen locks up, the session ends, reverts to display
manager (lightdm?), have to log in again.
ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.5-0ubuntu2
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.8-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: GNOME
Date: Mon Nov 20 09:11:46 2017
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus: virtualbox, 5.2.0, 4.13.0-16-generic, x86_64: installed
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
Subsystem: Dell Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
Controller [1028:05a4]
InstallationDate: Installed on 2014-08-13 (1194 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha amd64 (20140810)
MachineType: Dell Inc. OptiPlex 9020
ProcCmdline: /usr/lib/xorg/Xorg vt2 -displayfd 3 -auth
/run/user/1000/gdm/Xauthority -background none -noreset -keeptty -verbose 3
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic
root=UUID=e2d4a833-d4fd-4295-95a5-57c52551e6ba ro splash vt.handoff=7
SegvAnalysis:
Segfault happened at: 0x56286fd4bad0: movswl 0x8(%rdi),%ecx
PC (0x56286fd4bad0) ok
source "0x8(%rdi)" (0x00000008) not located in a known VMA region (needed
readable region)!
destination "%ecx" ok
Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xorg-server
StacktraceTop:
()
miPointerSetPosition ()
()
()
GetPointerEvents ()
Title: Xorg crashed with SIGSEGV
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirt lpadmin lxd plugdev sambashare sudo
dmi.bios.date: 05/23/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A20
dmi.board.name: 06X1TJ
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA20:bd05/23/2017:svnDellInc.:pnOptiPlex9020:pvr00:rvnDellInc.:rn06X1TJ:rvrA00:cvnDellInc.:ct6:cvr:
dmi.product.name: OptiPlex 9020
dmi.product.version: 00
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.13.1+18.04.20171116-0ubuntu1
version.libdrm2: libdrm2 2.4.88-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1
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+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Tue Sep 12 12:13:51 2017
xserver.configfile: default
xserver.errors:
/dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
/dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.3-1ubuntu6
xserver.video_driver: modeset
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