xfwm4 crashed with SIGSEGV in g_main_context_dispatch()

[Sergio Benjamim]

Trying to test wxvbam from git: https://github.com/sergiobenrocha2/vbam/tree/bug-fixes

When you closes vbam window in the close button (x), sometimes the system crashes.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: xfwm4 4.11.1-2ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Mar 17 13:26:16 2014
ExecutablePath: /usr/bin/xfwm4
InstallationDate: Installed on 2014-01-09 (66 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140109)
ProcCmdline: xfwm4 --replace
ProcEnviron:
 LANGUAGE=fr_FR
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f28fd438e46 <__strcmp_ssse3+22>: movlpd (%rdi),%xmm1
 PC (0x7f28fd438e46) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm1" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xfwm4
StacktraceTop:
 ?? ()
 ?? ()
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: xfwm4 crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo

[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 #1233107, 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.