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[Bug 1011496] Re: compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook() from sigc::internal::signal_impl::insert() from sigc::internal::signal_impl::connect()

To: touch-packages@xxxxxxxxxxxxxxxxxxx
From: "Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>
Date: Thu, 19 Mar 2015 15:18:45 -0000
Reply-to: Bug 1011496 <1011496@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: unity
    Milestone: 7.3.2 => 7.3.3

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https://bugs.launchpad.net/bugs/1011496

Title:
  compiz crashed with SIGSEGV in
  std::__detail::_List_node_base::_M_hook() from
  sigc::internal::signal_impl::insert() from
  sigc::internal::signal_impl::connect()

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

Bug description:
  At session start

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: unity 5.12-0ubuntu3
  ProcVersionSignature: Ubuntu 3.4.0-5.11-generic 3.4.0
  Uname: Linux 3.4.0-5-generic x86_64
  ApportVersion: 2.1.1-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Mon Jun 11 09:59:20 2012
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7f321b87e950 <_ZNSt8__detail15_List_node_base7_M_hookEPS0_>:	mov    0x8(%rsi),%rax
   PC (0x7f321b87e950) ok
   source "0x8(%rsi)" (0x0001807d) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
   sigc::internal::signal_impl::insert(std::_List_iterator<sigc::slot_base>, sigc::slot_base const&) () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
   sigc::internal::signal_impl::connect(sigc::slot_base const&) () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
   sigc::signal_base::connect(sigc::slot_base const&) () from /usr/lib/x86_64-linux-gnu/libsigc-2.0.so.0
   unity::UnityScreen::UnityScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sbuild sudo

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