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[Bug 982384] Re: compiz crashed with SIGSEGV in emit() from unity::launcher::Launcher::handle_dbus_method_call()

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: "Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>
Date: Wed, 11 Feb 2015 16:37:13 -0000
Reply-to: Bug 982384 <982384@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: unity
    Milestone: 7.3.1 => 7.3.2

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https://bugs.launchpad.net/bugs/982384

Title:
  compiz crashed with SIGSEGV in emit() from
  unity::launcher::Launcher::handle_dbus_method_call()

Status in Unity:
  Confirmed
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  I installed the ubuntu tweak and i set the "show desktop" and expo to
  the top left and bottom left corner.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: unity 5.10.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
  Uname: Linux 3.2.0-23-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu3
  Architecture: i386
  Date: Sun Apr 15 17:04:44 2012
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0xb352c76d <_ZN5unity8launcher8Launcher23handle_dbus_method_callEP16_GDBusConnectionPKcS5_S5_S5_P9_GVariantP22_GDBusMethodInvocationPv+269>:	cmp    %edx,0x8(%eax)
   PC (0xb352c76d) ok
   source "%edx" ok
   destination "0x8(%eax)" (0x00000089) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   unity::launcher::Launcher::handle_dbus_method_call(_GDBusConnection*, char const*, char const*, char const*, char const*, _GVariant*, _GDBusMethodInvocation*, void*) () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
   ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
   g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
  Title: compiz crashed with SIGSEGV in unity::launcher::Launcher::handle_dbus_method_call()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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