compiz crashed with SIGSEGV in PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get()

[Duke Murden]

Unmuting sound on status bar.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: unity 7.1.2+13.10.20131014.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Thu Jan 30 19:41:03 2014
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2013-11-17 (74 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MarkForUpload: True
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f3571b1e416 <_ZN18PluginClassHandlerIN5unity11UnityWindowE10CompWindowLi0EE3getEPS2_+454>: mov (%rax,%rdx,8),%rax
 PC (0x7f3571b1e416) ok
 source "(%rax,%rdx,8)" (0x00000088) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get(CompWindow*) () from /usr/lib/compiz/libunityshell.so
 unity::UnityScreen::OnTerminateSpread() () from /usr/lib/compiz/libunityshell.so
 sigc::internal::signal_emit0<void, sigc::nil>::emit(sigc::internal::signal_impl*) () from /usr/lib/compiz/libunityshell.so
 unity::PluginAdapter::OnScreenUngrabbed() () from /usr/lib/compiz/libunityshell.so
 unity::UnityScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 getInstance (base=<optimized out>) at /usr/include/compiz/core/pluginclasshandler.h:294
 PluginClassHandler<unity::UnityWindow, CompWindow, 0>::get (base=0x387f9a8) at /usr/include/compiz/core/pluginclasshandler.h:345
 unity::UnityScreen::OnTerminateSpread (this=<optimized out>) at /build/buildd/unity-7.1.2+13.10.20131014.1/plugins/unityshell/src/unityshell.cpp:475
 sigc::internal::signal_emit0<void, sigc::nil>::emit (impl=0x2428390) at /usr/include/sigc++-2.0/sigc++/signal.h:776
 emit (this=0x1d68e38) at /usr/include/sigc++-2.0/sigc++/signal.h:2673

[Launchpad Janitor (janitor)]

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

[Will Cooke (willcooke)]

As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix. These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes. Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag “desktop-bugscrub-reopen”. See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.