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[stinger <dev@xxxxxxxxxxx>]

Public bug reported:

Every time i do a unity logout, compiz crash with a
/var/crash/_usr_bin_compiz.1000.crash file.

Reporting fails with

OSError('Invalid core dump: BFD: Warning: /tmp/apport_core_lag8o1it is
truncated: expected core file size >= 122204160, found: 14745600.',)

Sometimes there is this syslog entry

kernel: [   32.348890] do_general_protection: 51 callbacks suppressed
kernel: [   32.348895] traps: compiz[1588] general protection ip:7f73d295275e sp:7ffc74457940 error:0 in libunity-core-6.0.so.9.0.0[7f73d28be000+133000]

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4
Uname: Linux 4.4.0-12-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Thu Mar 10 18:08:35 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. 2nd Generation Core Processor Family Integrated Graphics Controller [1043:1012]
GsettingsChanges:
 b'org.compiz.core' b'outputs' b"['1366x768+0+0']"
 b'org.compiz.core' b'active-plugins' b"['core', 'composite', 'opengl', 'snap', 'regex', 'copytex', 'place', 'animation', 'move', 'grid', 'vpswitch', 'resize', 'wall', 'mousepoll', 'commands', 'compiztoolbox', 'imgpng', 'session', 'workarounds', 'fade', 'unitymtgrabhandles', 'expo', 'scale', 'ezoom', 'unityshell']"
 b'org.compiz.core' b'focus-prevention-level' b'0'
InstallationDate: Installed on 2015-11-12 (118 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20151112)
Lsusb:
 Bus 002 Device 003: ID 24ae:2000  
 Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK Computer Inc. P53E
PackageArchitecture: all
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic root=UUID=9ad09333-ac7d-4b10-99a0-1e598daa4753 ro quiet splash vt.handoff=7
SourcePackage: compiz
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/22/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P53E.210
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: P53E
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.:bvrP53E.210:bd06/22/2012:svnASUSTeKComputerInc.:pnP53E:pvr1.0:rvnASUSTeKComputerInc.:rnP53E:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: P53E
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz 1:0.9.12.2+16.04.20160209-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160218-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Thu Mar 10 17:58:45 2016
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                 739 
 vendor                                     LGD
xserver.version: 2:1.18.1-1ubuntu3

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubuntu xenial

** Attachment added: "_usr_bin_compiz.1000.crash"
   https://bugs.launchpad.net/bugs/1555734/+attachment/4595185/+files/_usr_bin_compiz.1000.crash

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https://bugs.launchpad.net/bugs/1555734

Title:
  compiz crash on unity logout

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