Xwayland crashed with signal 7 in DeepCopyFeedbackClasses() from DeepCopyDeviceClasses() from ChangeMasterDeviceClasses()

Bug #1771788 reported by Zihang Ye
32
This bug affects 3 people
Affects Status Importance Assigned to Milestone
xorg-server (Ubuntu)
Confirmed
Medium
Unassigned

Bug Description

https://errors.ubuntu.com/problem/6ace5440188a888826e846487cc6dfbf042faa9d

---

Happened May 14. I'm the owner of the file.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: xwayland 2:1.19.6-1ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CrashCounter: 1
CurrentDesktop: GNOME
Date: Mon May 14 16:36:15 2018
DistUpgraded: 2018-04-27 13:08:49,458 DEBUG icon theme changed, re-reading
DistroCodename: bionic
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xwayland
ExecutableTimestamp: 1523633505
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. 3rd Gen Core processor Graphics Controller [1043:126d]
   Subsystem: ASUSTeK Computer Inc. GeForce GT 720M [1043:126d]
InstallationDate: Installed on 2017-05-11 (370 days ago)
InstallationMedia: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
MachineType: ASUSTeK COMPUTER INC. X450VC
ProcCmdline: /usr/bin/Xwayland :0 -rootless -terminate -accessx -core -listen 4 -listen 5 -displayfd 6
ProcCwd: /home/zihang
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic root=UUID=c6503e86-f9bb-472b-85df-3be6321b132e ro quiet splash vt.handoff=1
Signal: 7
SourcePackage: xorg-server
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 ?? ()
Title: Xwayland crashed with signal 7
UpgradeStatus: Upgraded to bionic on 2018-04-27 (19 days ago)
UserGroups: adm bumblebee cdrom dialout dip libvirt lpadmin plugdev sambashare sudo
dmi.bios.date: 05/09/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X450VC.205
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X450VC
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX450VC.205:bd05/09/2013:svnASUSTeKCOMPUTERINC.:pnX450VC:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX450VC:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: X
dmi.product.name: X450VC
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER 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 N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
xserver.bootTime: Fri May 11 19:54:25 2018
xserver.configfile: default
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.19.6-1ubuntu4

Revision history for this message
Zihang Ye (jerry-yezihang) wrote :
Revision history for this message
Apport retracing service (apport) wrote :

StacktraceTop:
 DeepCopyFeedbackClasses (to=0x5617a4b12e10, from=0x5617a4ae7b40) at ../../../../Xi/exevents.c:271
 DeepCopyDeviceClasses (from=0x5617a4ae7b40, to=to@entry=0x5617a4b12e10, dce=dce@entry=0x7ffca2d2fbe0) at ../../../../Xi/exevents.c:667
 ChangeMasterDeviceClasses (device=0x5617a4b12e10, dce=0x7ffca2d2fbe0) at ../../../../Xi/exevents.c:727
 UpdateDeviceState (device=0x5617a4b12e10, event=0x7ffca2d2fbe0) at ../../../../Xi/exevents.c:807
 ProcessDeviceEvent (ev=ev@entry=0x7ffca2d2fbe0, device=device@entry=0x5617a4b12e10) at ../../../../Xi/exevents.c:1709

Revision history for this message
Apport retracing service (apport) wrote : Stacktrace.txt
Revision history for this message
Apport retracing service (apport) wrote : StacktraceSource.txt
Revision history for this message
Apport retracing service (apport) wrote : ThreadStacktrace.txt
Changed in xorg-server (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
summary: - Xwayland crashed with signal 7
+ Xwayland crashed with signal 7 in DeepCopyFeedbackClasses() from
+ DeepCopyDeviceClasses() from ChangeMasterDeviceClasses()
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in xorg-server (Ubuntu):
status: New → Confirmed
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Also tracking in:
https://errors.ubuntu.com/problem/6ace5440188a888826e846487cc6dfbf042faa9d

There are been 11 reports of this crash so far. All in 18.04 only.

description: updated
information type: Private → Public
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