compiz crashed with SIGSEGV in g_closure_invoke()

[Alberto Salvia Novella]

Crashed during log-in. There was as indication as if I had raised the volume, what I didn't.

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: compiz-core 1:0.9.12+14.10.20140918-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-20.27-generic 3.16.3
Uname: Linux 3.16.0-20-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14.7-0ubuntu3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CrashCounter: 1
CurrentDesktop: Unity
Date: Wed Oct 8 21:23:42 2014
Disassembly: => 0x0: Cannot access memory at address 0x0
DistUpgraded: 2014-09-24 06:06:36,473 DEBUG enabling apt cron job
DistroCodename: utopic
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Juniper XT [Radeon HD 6770] [1002:68ba] (prog-if 00 [VGA controller])
   Subsystem: Gigabyte Technology Co., Ltd Device [1458:220c]
InstallationDate: Installed on 2013-05-21 (505 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: MEDIONPC MS-7358
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic root=UUID=7c16b6a8-52d3-4e20-94c4-933af64fd891 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x0: Cannot access memory at address 0x0
 PC (0x00000000) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 ?? ()
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: compiz crashed with SIGSEGV in g_closure_invoke()
UpgradeStatus: Upgraded to utopic on 2014-09-24 (14 days ago)
UserGroups: adm lpadmin sambashare sudo
dmi.bios.date: 02/18/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7358
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Fab D
dmi.chassis.type: 3
dmi.chassis.vendor: OEM
dmi.chassis.version: OEM
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/18/2008:svnMEDIONPC:pnMS-7358:pvrOEM:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7358:rvrFabD:cvnOEM:ct3:cvrOEM:
dmi.product.name: MS-7358
dmi.product.version: OEM
dmi.sys.vendor: MEDIONPC
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
xserver.bootTime: Wed Oct 8 20:59:41 2014
xserver.configfile: default
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.16.0-1ubuntu1
xserver.video_driver: radeon

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1366351, so 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. Please continue to report any other bugs you may find.