compiz crashed with SIGSEGV in assign_to_own()

[Favio D'Ercole]

on ubuntu 14.04 beta

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity 7.2.0+14.04.20140403-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-22.44-generic 3.13.8
Uname: Linux 3.13.0-22-generic x86_64
ApportVersion: 2.14-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Apr 4 20:16:26 2014
Disassembly: => 0x0: No se puede acceder a la memoria en la dirección 0x0
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2014-03-29 (5 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=es_AR:es
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_AR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x0: No se puede acceder a la memoria en la dirección 0x0
 PC (0x00000000) not located in a known VMA region (needed executable region)!
 source "0x0" (0x00000000) not located in a known VMA region (needed readable region)!
SegvReason:
 executing NULL VMA
 reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? ()
 CompAction::initiate() const () from /usr/lib/libcompiz_core.so.ABI-20140123
 unity::MultiActionList::Initiate(std::string const&, std::vector<CompOption, std::allocator<CompOption> > const&, int) const () from /usr/lib/compiz/libunityshell.so
 unity::MultiActionList::InitiateAll(std::vector<CompOption, std::allocator<CompOption> > const&, int) const () from /usr/lib/compiz/libunityshell.so
 unity::PluginAdapter::InitiateExpo() () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in CompAction::initiate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 assign_to_own (f=..., this=0x7fff19b97bc0) at /usr/include/boost/function/function_template.hpp:909
 function3 (f=..., this=0x7fff19b97bc0) at /usr/include/boost/function/function_template.hpp:749
 function (f=..., this=0x7fff19b97bc0) at /usr/include/boost/function/function_template.hpp:1089
 CompAction::initiate (this=<optimized out>) at /build/buildd/compiz-0.9.11+14.04.20140328/src/action.cpp:360

[Launchpad Janitor (janitor)]

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