As best as I can tell, the "missing" schema does not, and has never existed :(
** Changed in: mutter (Ubuntu) Status: New => Invalid ** Changed in: metacity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to metacity in Ubuntu. https://bugs.launchpad.net/bugs/1090911 Title: metacity clobbers mutter dconf settings Status in “metacity” package in Ubuntu: Invalid Status in “mutter” package in Ubuntu: Invalid Bug description: 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/1090911/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp