Description of problem:
There were a batch up updates for mate.  After installing them, I can no longer login with a mate session, and have switched to XFCE for the time being.

Version-Release number of selected component:
mate-session-manager-1.5.0-1.fc17

Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
backtrace_rating: 4
cmdline:        mate-session
crash_function: g_settings_set_property
kernel:         3.6.8-2.fc17.i686

truncated backtrace:
:Thread no. 1 (10 frames)
: #2 g_settings_set_property at gsettings.c:492
: #3 object_set_property at gobject.c:1352
: #4 g_object_constructor at gobject.c:1863
: #6 g_object_new_valist at gobject.c:1830
: #8 g_settings_new at gsettings.c:869
: #9 gsm_manager_init at gsm-manager.c:2336
: #10 g_type_create_instance at gtype.c:1892
: #11 g_object_constructor at gobject.c:1849
: #12 gsm_manager_constructor at gsm-manager.c:2100
: #14 g_object_new_valist at gobject.c:1830