This bug is rather old and I have not seen any new bugs like this reported. I'm guessing this has been fixed along the way and marking as Fix Released.
If this does still occur, we can either reopen this bug or open a new one. ** Changed in: unity Status: Confirmed => Invalid ** Changed in: unity (Ubuntu) Status: Confirmed => Invalid ** No longer affects: unity (Ubuntu Precise) ** Changed in: compiz Status: Confirmed => Fix Released ** Changed in: compiz Milestone: 0.9.11.0 => None ** Changed in: unity Milestone: 7.3.3 => None ** Changed in: compiz (Ubuntu) Status: Confirmed => Fix Released ** No longer affects: compiz (Ubuntu Precise) -- You received this bug notification because you are a member of DX Packages, which is subscribed to unity in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/956515 Title: compiz crashed with SIGSEGV in CompPlugin::VTableForScreenAndWindow<SwitchScreen, SwitchWindow>::finiWindow() Status in Compiz: Fix Released Status in Unity: Invalid Status in compiz package in Ubuntu: Fix Released Status in unity package in Ubuntu: Invalid Bug description: Activating the plugin to move between windows ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: compiz-core 1:0.9.7.0+bzr3035-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9 Uname: Linux 3.2.0-18-generic x86_64 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 1.94.1-0ubuntu2 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,dbus,grid,mousepoll,regex,gnomecompat,obs,screenshot,vpswitch,move,wall,snap,resize,place,imgpng,session,animation,workarounds,fade,scale,expo,ezoom,unityshell] CompositorRunning: compiz CrashCounter: 1 CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied Date: Thu Mar 15 15:25:15 2012 DistUpgraded: Log time: 2012-02-07 14:09:57.784633 DistroCodename: precise DistroVariant: ubuntu DkmsStatus: bcmwl, 5.100.82.38+bdcom, 3.2.0-18-generic, x86_64: installed ExecutablePath: /usr/bin/compiz GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller]) Subsystem: Dell Device [1028:0447] InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MachineType: Dell Inc. Inspiron N5010 ProcCmdline: compiz ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic root=UUID=d0964c53-410c-45ce-9346-7dcae10cea85 ro quiet splash vt.handoff=7 SegvAnalysis: Segfault happened at: 0x7f58035ec881 <_ZN10CompPlugin24VTableForScreenAndWindowI12SwitchScreen12SwitchWindowE10finiWindowEP10CompWindow+17>: mov (%rax),%rdx PC (0x7f58035ec881) ok source "(%rax)" (0x6060606060606060) not located in a known VMA region (needed readable region)! destination "%rdx" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: compiz StacktraceTop: CompPlugin::VTableForScreenAndWindow<SwitchScreen, SwitchWindow>::finiWindow(CompWindow*) () from /usr/lib/compiz/libswitcher.so CompPlugin::windowFiniPlugins(CompWindow*) () from /usr/lib/libcompiz_core.so.ABI-20120228 CompWindow::~CompWindow() () from /usr/lib/libcompiz_core.so.ABI-20120228 CompWindow::~CompWindow() () from /usr/lib/libcompiz_core.so.ABI-20120228 compiz::private_screen::WindowManager::removeDestroyed() () from /usr/lib/libcompiz_core.so.ABI-20120228 Title: compiz crashed with SIGSEGV in CompPlugin::VTableForScreenAndWindow<SwitchScreen, SwitchWindow>::finiWindow() UpgradeStatus: Upgraded to precise on 2012-02-25 (19 days ago) UserGroups: dmi.bios.date: 07/19/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A15 dmi.board.name: 0WXY9J dmi.board.vendor: Dell Inc. dmi.board.version: A15 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A15 dmi.modalias: dmi:bvnDellInc.:bvrA15:bd07/19/2011:svnDellInc.:pnInspironN5010:pvrA15:rvnDellInc.:rn0WXY9J:rvrA15:cvnDellInc.:ct8:cvrA15: dmi.product.name: Inspiron N5010 dmi.product.version: A15 dmi.sys.vendor: Dell Inc. version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1 version.ia32-libs: ia32-libs 20090808ubuntu34 version.libdrm2: libdrm2 2.4.30-1ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu4 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu4 version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu6 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2 To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/956515/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp