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[Fabio Marconi <fabiomarconi@xxxxxxxxxx>]

*** This bug is a duplicate of bug 1495173 ***
    https://bugs.launchpad.net/bugs/1495173

** This bug has been marked a duplicate of bug 1495173
   compiz crashed with SIGSEGV in g_bit_lock()

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https://bugs.launchpad.net/bugs/1492437

Title:
  Unity crash when trying to "unlock from launcher" a disk drive icon

Status in Unity:
  Confirmed
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  After the latest updates (proposed repositories enabled), I noticed
  that when I try to "unlock from launcher" a disk drive icon, unity
  crashes.

  Fortunately, it restores itself quite quickly.

  Another behaviour, if it's not crash, is to do nothing. It does not
  unlock/remove the launcher icon at all.

  I was able to screen-recording the problem

  https://www.youtube.com/watch?v=YvK3kppx1rg

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: unity 7.3.2+15.10.20150825-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
  Uname: Linux 4.2.0-7-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  355.11  Wed Aug 26 16:35:41 PDT 2015
   GCC version:  gcc version 5.2.1 20150903 (Ubuntu 5.2.1-16ubuntu1)
  ApportVersion: 2.18-0ubuntu9
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Fri Sep  4 22:07:33 2015
  DistUpgraded: Fresh install
  DistroCodename: wily
  DistroVariant: ubuntu
  DkmsStatus:
   bbswitch, 0.7, 4.1.6-999-bfq, x86_64: installed
   bbswitch, 0.7, 4.2.0-7-generic, x86_64: installed
   nvidia-355, 355.11, 4.1.6-999-bfq, x86_64: installed
   nvidia-355, 355.11, 4.2.0-7-generic, x86_64: installed
  GraphicsCard: NVIDIA Corporation GF108 [GeForce GT 430] [10de:0de1] (rev a1) (prog-if 00 [VGA controller])
  InstallationDate: Installed on 2014-10-24 (315 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: MSI MS-7623
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=UUID=170bb898-7aa9-4678-8e80-58a445647f93 ro
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/28/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V17.10
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 880GMA-E45 (MS-7623)
  dmi.board.vendor: MSI
  dmi.board.version: 3.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 3.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV17.10:bd02/28/2011:svnMSI:pnMS-7623:pvr3.0:rvnMSI:rn880GMA-E45(MS-7623):rvr3.0:cvnMSI:ct3:cvr3.0:
  dmi.product.name: MS-7623
  dmi.product.version: 3.0
  dmi.sys.vendor: MSI
  version.compiz: compiz 1:0.9.12.1+15.10.20150805-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.64-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3-1ubuntu1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu5
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
  xserver.bootTime: Fri Sep  4 20:01:51 2015
  xserver.configfile: default
  xserver.errors: open /dev/fb0: No such file or directory
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:

  xserver.version: 2:1.17.2-1ubuntu5

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