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[Apport retracing service <1375523@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1323800 ***
    https://bugs.launchpad.net/bugs/1323800

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 #1323800, 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.

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** Attachment removed: "ProcMaps.txt"
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** Attachment removed: "ProcStatus.txt"
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** Attachment removed: "ThreadStacktrace.txt"
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** This bug has been marked a duplicate of private bug 1323800

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1375523

Title:
  compiz crashed with SIGSEGV in _int_malloc()

Status in “unity” package in Ubuntu:
  New

Bug description:
  Crashed at dash opening under really heavy load on system SSD
  (deletion of many thouthands of files).

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: unity 7.3.1+14.10.20140915-0ubuntu1
  Uname: Linux 3.17.0-rc6-haswell x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Sep 30 03:01:09 2014
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2012-04-27 (885 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0x7f80bfe2f111 <_int_malloc+689>:	mov    %r14,0x10(%r9)
   PC (0x7f80bfe2f111) ok
   source "%r14" ok
   destination "0x10(%r9)" (0x00000071) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   _int_malloc (av=0x7f80c016c760 <main_arena>, bytes=80) at malloc.c:3489
   __GI___libc_malloc (bytes=80) at malloc.c:2891
   operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
   nux::GraphicsEngine::PushModelViewMatrix(nux::Matrix4x4<float> const&) () from /usr/lib/x86_64-linux-gnu/libnux-graphics-4.0.so.0
   nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/x86_64-linux-gnu/libnux-4.0.so.0
  Title: compiz crashed with SIGSEGV in _int_malloc()
  UpgradeStatus: Upgraded to utopic on 2013-05-12 (505 days ago)
  UserGroups: adm bumblebee cdrom dip docker lpadmin plugdev sambashare sudo

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