[Bug 805311] Re: gnome-control-center crashed with SIGSEGV in g_type_instance_get_private() (device_services_changed)

[Mathieu Trudel-Lapierre]

** Description changed:

+ SRU JUSTIFICATION:
+ An easy to reproduce crasher when changing settings for bluetooth headsets. It seems to be affecting a lot of people and the patches are not very intrusive.
+ 
+ TEST CASE:
+ 1) Connect a bluetooth headset.
+ 2) Open bluetooth properties, select the added device.
+ 3) Click the Sound Settings button
+ 4) Move to the Hardware tab in the Sound Settings panel; then select the bluetooth headset device.
+ 5) Click Speaker Test; then click the Test button to start a sound test.
+ 
+ * Without the patch and immediately after adding a new bluetooth headset device; you would see a crash of gnome-control-center: the control center application will disappear.
+ * With the patch, the sound test completes and other sound settings are available.
+ 
+ ---
+ 
  crashed while trying to manage sound preferences for a bluetooth
  headset.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: gnome-control-center 1:3.0.2-1ubuntu7
  ProcVersionSignature: Ubuntu 3.0-1.2-generic 3.0.0-rc3
  Uname: Linux 3.0-1-generic x86_64
  Architecture: amd64
  CrashCounter: 1
  Date: Sun Jul  3 21:54:38 2011
  ExecutablePath: /usr/bin/gnome-control-center
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  ProcCmdline: gnome-control-center sound
  ProcEnviron:
-  SHELL=/bin/bash
-  PATH=(custom, user)
-  LANG=en_US.UTF-8
-  LANGUAGE=en_US:en
+  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=en_US.UTF-8
+  LANGUAGE=en_US:en
  SegvAnalysis:
-  Segfault happened at: 0x7f69fdb8469a <g_type_instance_get_private+250>:	mov    (%rbx),%rax
-  PC (0x7f69fdb8469a) ok
-  source "(%rbx)" (0x4058000000000000) not located in a known VMA region (needed readable region)!
-  destination "%rax" ok
+  Segfault happened at: 0x7f69fdb8469a <g_type_instance_get_private+250>:	mov    (%rbx),%rax
+  PC (0x7f69fdb8469a) ok
+  source "(%rbx)" (0x4058000000000000) not located in a known VMA region (needed readable region)!
+  destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: gnome-control-center
  StacktraceTop:
-  g_type_instance_get_private () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
-  ?? () from /usr/lib/libgnome-bluetooth.so.8
-  ?? () from /usr/lib/libdbus-glib-1.so.2
-  g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
-  ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  g_type_instance_get_private () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  ?? () from /usr/lib/libgnome-bluetooth.so.8
+  ?? () from /usr/lib/libdbus-glib-1.so.2
+  g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
+  ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  Title: gnome-control-center crashed with SIGSEGV in g_type_instance_get_private()
  UpgradeStatus: Upgraded to oneiric on 2011-06-27 (6 days ago)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare src

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https://bugs.launchpad.net/bugs/805311

Title:
  gnome-control-center crashed with SIGSEGV in
  g_type_instance_get_private() (device_services_changed)

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