Public bug reported:

To reproduce:

1. sudo apt-get install mutter
2. mutter --replace
3. sudo apt-get install metacity
4. metacity --replace
5. mutter --replace

Result: mutter crashes with segfault: (mutter:18115): GLib-GIO-ERROR **:
Settings schema 'org.gnome.desktop.wm.keybindings' does not contain a
key named 'switch-applications'

(gdb) bt
#0  0x00007ffff7b31c7f in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffff7b31e42 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff47dc1bf in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#3  0x00007ffff47dc3cc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff47df812 in g_settings_get_value ()
   from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007ffff47e05a3 in g_settings_get_strv ()
   from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007ffff7875b42 in meta_prefs_add_keybinding (
    name=name@entry=0x7ffff78b716e "switch-applications", settings=0x7ed400, 
    action=META_KEYBINDING_ACTION_SWITCH_APPLICATIONS, 
    flags=flags@entry=(META_KEY_BINDING_BUILTIN | META_KEY_BINDING_REVERSES))
    at core/prefs.c:1964
#7  0x00007ffff786f2bf in add_keybinding_internal (free_data=0x0, 
    user_data=0x0, data=0, func=0x7ffff786e880 <handle_switch>, 
    action=<optimised out>, 
    flags=(META_KEY_BINDING_BUILTIN | META_KEY_BINDING_REVERSES), 
    settings=<optimised out>, name=0x7ffff78b716e "switch-applications", 
    display=<optimised out>) at core/keybindings.c:558
#8  add_builtin_keybinding (
    name=name@entry=0x7ffff78b716e "switch-applications", 
    settings=settings@entry=0x7ed400, 
    flags=flags@entry=META_KEY_BINDING_REVERSES, 
---Type <return> to continue, or q <return> to quit---
    action=action@entry=META_KEYBINDING_ACTION_SWITCH_APPLICATIONS, 
    handler=handler@entry=0x7ffff786e880 <handle_switch>, 
    handler_arg=handler_arg@entry=0, display=<optimised out>)
    at core/keybindings.c:584
#9  0x00007ffff78715a6 in init_builtin_key_bindings (display=<optimised out>)
    at core/keybindings.c:3830
#10 meta_display_init_keys (display=0x7f3890) at core/keybindings.c:4325
#11 0x00007ffff786677d in meta_display_open () at core/display.c:543
#12 0x00007ffff78726dd in meta_run () at core/main.c:544
#13 0x00000000004008e5 in main (argc=1, argv=0x7fffffffe1f8)
    at core/mutter.c:84

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: mutter 3.6.2-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
Uname: Linux 3.5.0-19-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
Date: Sun Dec 16 14:40:06 2012
MarkForUpload: True
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: metacity (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: mutter (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug quantal

** Also affects: metacity (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1090911

Title:
  metacity clobbers mutter dconf settings

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