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["Stephen M. Webb" <stephen.webb@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1282884 ***
    https://bugs.launchpad.net/bugs/1282884

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1284903/+attachment/3997030/+files/CoreDump.gz

** Information type changed from Private to Public

** This bug has been marked a duplicate of bug 1282884
   compiz crashed with SIGSEGV in __dynamic_cast()

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https://bugs.launchpad.net/bugs/1284903

Title:
  compiz crashed with SIGSEGV in __dynamic_cast()

Status in “unity” package in Ubuntu:
  New

Bug description:
  Working with lyx (latex processor). After clicking an embeded object,
  the screen crashed. Then the screen was restored without rebooting.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: unity 7.1.2+14.04.20140220-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4
  Uname: Linux 3.13.0-12-generic x86_64
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: Unity
  Date: Tue Feb 25 19:18:29 2014
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2014-01-28 (29 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140127.1)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7fa136dc7303 <__dynamic_cast+83>:	mov    (%rdi),%rax
   PC (0x7fa136dc7303) ok
   source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   __dynamic_cast () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
   nux_base_window_accessible_check_active () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
  Title: compiz crashed with SIGSEGV in __dynamic_cast()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom debian-tor dip lpadmin plugdev sambashare sudo vboxusers

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