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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

** Changed in: unity
   Importance: Undecided => High

** Changed in: unity
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1096457

Title:
  compiz crashed with SIGSEGV in g_type_check_instance_is_a() from
  unity::launcher::BamfLauncherIcon::UpdateIconGeometries() from
  unity::launcher::BamfLauncherIcon::UpdateDesktopQuickList()

Status in System76:
  Invalid
Status in Unity:
  Confirmed
Status in Unity 5.0 series:
  Triaged
Status in Unity 6.0 series:
  Triaged
Status in “unity” package in Ubuntu:
  Confirmed

Bug description:
  These types of crashes usually happen shortly after logging in, but in
  this case, it happened much later.  Crashing early doesn't seem to
  happen with debugging info turned on, as it was for this issue.

  For more details on this type of crash, please see bug #750386.

  WORKAROUND: For some of us, this is caused by a corrupt
  .config/dconf/user file in our home directories.  Try removing this
  file, and report back.  Be warned, however, that by removing this
  file, you will lose many of your desktop environment configuration
  settings.  If this is a concern, rename it and keep it around in case
  contents of the file are salvageable.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: unity 6.12.0-0ubuntu0.2
  ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
  Uname: Linux 3.5.0-21-generic x86_64
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  CrashCounter: 1
  Date: Sat Jan  5 16:05:46 2013
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/compiz
  InstallationDate: Installed on 2010-10-11 (817 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MarkForUpload: True
  ProcCmdline: compiz --replace
  ProcEnviron:
   TERM=linux
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/zsh
  SegvAnalysis:
   Segfault happened at: 0x7f5669ac469c <g_type_check_instance_is_a+60>:	testb  $0x4,0x16(%rdi)
   PC (0x7f5669ac469c) ok
   source "$0x4" ok
   destination "0x16(%rdi)" (0x567006f73980046) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: unity
  StacktraceTop:
   g_type_check_instance_is_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
   unity::launcher::BamfLauncherIcon::UpdateIconGeometries(std::vector<nux::Point3D<float>, std::allocator<nux::Point3D<float> > >) () from /usr/lib/compiz/libunityshell.so
   unity::launcher::BamfLauncherIcon::UpdateDesktopQuickList() () from /usr/lib/compiz/libunityshell.so
   ?? ()
  Title: compiz crashed with SIGSEGV in g_type_check_instance_is_a()
  UpgradeStatus: Upgraded to quantal on 2012-10-27 (69 days ago)
  UserGroups: adm admin cdrom dialout lp lpadmin netdev plugdev sambashare whoopsie

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