compiz crashed with SIGSEGV in unity::launcher::Controller::Impl::EnsureLaunchers() from unity::launcher::Controller::Impl::OnScreenChanged()

[rob]

crashed, relaunched automatically and then crashed again after update / upgrade of the system by Ubuntu Software Center.

Regards,
Rob.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.8.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
Uname: Linux 3.2.0-20-generic i686
ApportVersion: 1.95-0ubuntu1
Architecture: i386
Date: Tue Mar 27 12:45:36 2012
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
ProcCmdline: compiz
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
Title: compiz crashed with SIGSEGV in unity::launcher::Controller::Impl::EnsureLaunchers()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

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

[Chris J Arges (arges)]

This bug occured when booting my Precise desktop after upgrading today.

[Apport retracing service (apport)]

StacktraceTop:
 unity::launcher::Controller::Impl::EnsureLaunchers (this=0x95d6a70, primary=0, monitors=...) at /build/buildd/unity-5.8.0/plugins/unityshell/src/LauncherController.cpp:286
 unity::launcher::Controller::Impl::OnScreenChanged (this=0x95d6a70, primary_monitor=0, monitors=...) at /build/buildd/unity-5.8.0/plugins/unityshell/src/LauncherController.cpp:334
 operator() (_A_a2=..., this=0x9641d94, _A_a1=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1917
 operator()<const int&, std::vector<nux::Rect>&> (_A_arg2=..., this=0x9641d90, _A_arg1=<optimized out>) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:103
 sigc::internal::slot_call2<sigc::bound_mem_functor2<void, unity::launcher::Controller::Impl, int, std::vector<nux::Rect, std::allocator<nux::Rect> >&>, void, int, std::vector<nux::Rect, std::allocator<nux::Rect> >&>::call_it (rep=0x9641d78, a_1=@0x9579fa4, a_2=...) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:173

[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-reopened". See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.