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[Bug 1303912] Re: compiz crashed with SIGSEGV in g_main_context_dispatch()

 

*** 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"
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   https://bugs.launchpad.net/bugs/1303912/+attachment/4072339/+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"
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** 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-i386-retrace

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https://bugs.launchpad.net/bugs/1303912

Title:
  compiz crashed with SIGSEGV in g_main_context_dispatch()

Status in “unity” package in Ubuntu:
  New

Bug description:
  This bug occurred when I was using Dash Home to search for Rhythmbox.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: unity 5.20.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.2.0-60.91-generic-pae 3.2.55
  Uname: Linux 3.2.0-60-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: i386
  CrashCounter: 1
  Date: Mon Apr  7 22:20:48 2014
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MarkForUpload: True
  ProcCmdline: compiz
  SegvAnalysis:
   Segfault happened at: 0xb47a772f:	mov    0x4(%ecx),%edx
   PC (0xb47a772f) ok
   source "0x4(%ecx)" (0x00000074) not located in a known VMA region (needed readable region)!
   destination "%edx" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   ?? () from /usr/lib/compiz/libunityshell.so
   ?? () from /usr/lib/compiz/libunityshell.so
   ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
   g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
   ?? () from /lib/i386-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 lpadmin plugdev sambashare sudo

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