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[Apport retracing service <1432740@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1432231 ***
    https://bugs.launchpad.net/bugs/1432231

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 #1432231, 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"
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** Attachment removed: "Disassembly.txt"
   https://bugs.launchpad.net/bugs/1432740/+attachment/4347241/+files/Disassembly.txt

** Attachment removed: "ProcMaps.txt"
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** Attachment removed: "ProcStatus.txt"
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** Attachment removed: "Registers.txt"
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** Attachment removed: "Stacktrace.txt"
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** Attachment removed: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/1432740/+attachment/4347247/+files/ThreadStacktrace.txt

** This bug has been marked a duplicate of private bug 1432231

** Information type changed from Private Security to Public Security

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1432740

Title:
  compiz crashed with SIGSEGV in XGetSelectionOwner()

Status in unity package in Ubuntu:
  New

Bug description:
  compiz crashing

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: unity 7.3.1+15.04.20150227-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Mar 16 20:18:30 2015
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2015-03-16 (0 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150306)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7fc9bee788dc <XGetSelectionOwner+12>:	mov    0x968(%rdi),%rax
   PC (0x7fc9bee788dc) ok
   source "0x968(%rdi)" (0x00000968) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   XGetSelectionOwner () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   unity::XdndStartStopNotifierImp::OnTimeout() () from /usr/lib/compiz/libunityshell.so
   unity::glib::Source::SourceCallback(void*) () from /usr/lib/libunity-core-6.0.so.9
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  Title: compiz crashed with SIGSEGV in XGetSelectionOwner()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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