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*** This bug is a duplicate of bug 1011496 ***
    https://bugs.launchpad.net/bugs/1011496

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 #1011496, 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.

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468032/+files/CoreDump.gz

** Attachment removed: "Disassembly.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468034/+files/Disassembly.txt

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468037/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468038/+files/ProcStatus.txt

** Attachment removed: "Registers.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468039/+files/Registers.txt

** Attachment removed: "Stacktrace.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468040/+files/Stacktrace.txt

** Attachment removed: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/1497426/+attachment/4468041/+files/ThreadStacktrace.txt

** This bug has been marked a duplicate of bug 1011496
   compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook() from sigc::internal::signal_impl::insert() from sigc::internal::signal_impl::connect()

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1497426

Title:
  compiz crashed with SIGSEGV in
  std::__detail::_List_node_base::_M_hook()

Status in unity package in Ubuntu:
  New

Bug description:
  Automatic crash report. Not clear how to reproduce.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.10
  Package: unity 7.3.2+15.10.20150910.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-10.11-generic 4.2.0
  Uname: Linux 4.2.0-10-generic x86_64
  ApportVersion: 2.18.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Sep 18 21:10:55 2015
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2015-05-10 (131 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150510)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7f64201c98df <_ZNSt8__detail15_List_node_base7_M_hookEPS0_+15>:	mov    %rdi,(%rax)
   PC (0x7f64201c98df) ok
   source "%rdi" ok
   destination "(%rax)" (0x00000000) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL 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
   ?? () 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 sudo

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