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[Apport retracing service <1278600@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 962581 ***
    https://bugs.launchpad.net/bugs/962581

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 #962581, 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/1278600/+attachment/3976260/+files/CoreDump.gz

** Attachment removed: "Disassembly.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976262/+files/Disassembly.txt

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976264/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976265/+files/ProcStatus.txt

** Attachment removed: "Registers.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976266/+files/Registers.txt

** Attachment removed: "Stacktrace.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976267/+files/Stacktrace.txt

** Attachment removed: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/1278600/+attachment/3976268/+files/ThreadStacktrace.txt

** This bug has been marked a duplicate of bug 962581
   compiz crashed with SIGSEGV in empty() from check_selection() [unity-rvgrid-accessible.cpp:171]

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1278600

Title:
  compiz crashed with SIGSEGV in g_main_context_dispatch()

Status in “unity” package in Ubuntu:
  New

Bug description:
  sorry - I was minding my own business and everythign went south.  Have
  been having lots of issues with compiz sucking up all the system
  memory lately.  I did a unity --replace earlier today to fix that
  latest instance.  I can tell you that compiz was taking up only about
  5% of memory when it crashed (I run a cron job every 2 minutes to
  sample the amount of memory compiz is sapping at any time and I have a
  history file of this).  This appears to be related to something other
  than the memory leak issue?

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: unity 5.20.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-58.88-generic 3.2.53
  Uname: Linux 3.2.0-58-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  CheckboxSubmission: 48349af06a737bc39f5bd5104a6aec3f
  CheckboxSystem: daed2f3d6643b4a84b4520a2427f8c2b
  Date: Mon Feb 10 16:35:11 2014
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  MarkForUpload: True
  ProcCmdline: compiz --replace
  SegvAnalysis:
   Segfault happened at: 0x7f01c60d8abe:	mov    0x8(%rsi),%rax
   PC (0x7f01c60d8abe) ok
   source "0x8(%rsi)" (0x474c040abeef020a) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
   g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
   g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  Title: compiz crashed with SIGSEGV in g_main_context_dispatch()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip fuse lpadmin plugdev sambashare sudo vboxusers

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