** Also affects: unity (Ubuntu Precise)
   Importance: High
       Status: Confirmed

** Description changed:

+ SRU testcase
+ 
+ 1. install Unity from precise-proposed
+ 2. make sure unity does not crash while enabling/disabling a plugin from CCSM
+ 
  Trying to set wobbly windows
  
  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: libnux-2.0-0 2.4.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  ApportVersion: 1.93-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Mon Feb 27 15:07:01 2012
  ExecutablePath: /usr/bin/compiz
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 
(20120216)
  ProcCmdline: compiz
  ProcEnviron:
-  LANGUAGE=en_AU:en
-  PATH=(custom, no user)
-  LANG=en_AU.UTF-8
-  SHELL=/bin/bash
+  LANGUAGE=en_AU:en
+  PATH=(custom, no user)
+  LANG=en_AU.UTF-8
+  SHELL=/bin/bash
  SegvAnalysis:
-  Segfault happened at: 0x7f122651a21b:        mov    %r14,0x10(%rsi)
-  PC (0x7f122651a21b) ok
-  source "%r14" ok
-  destination "0x10(%rsi)" (0x200000b00025d14) not located in a known VMA 
region (needed writable region)!
+  Segfault happened at: 0x7f122651a21b:        mov    %r14,0x10(%rsi)
+  PC (0x7f122651a21b) ok
+  source "%r14" ok
+  destination "0x10(%rsi)" (0x200000b00025d14) not located in a known VMA 
region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: nux
  StacktraceTop:
-  ?? () from /lib/x86_64-linux-gnu/libc.so.6
-  calloc () from /lib/x86_64-linux-gnu/libc.so.6
-  g_malloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
-  g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
-  g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  ?? () from /lib/x86_64-linux-gnu/libc.so.6
+  calloc () from /lib/x86_64-linux-gnu/libc.so.6
+  g_malloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
+  g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: compiz crashed with SIGSEGV in calloc()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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https://bugs.launchpad.net/bugs/941750

Title:
  compiz crashed with SIGSEGV in _int_malloc() from g_object_unref()
  from unity::dash::Model<unity::dash::FilterAdaptor>::~Model()

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