Version-Release number of selected component:
darktable-1.2.3-2.fc20

Additional info:
reporter:       libreport-2.1.10
backtrace_rating: 4
cmdline:        /bin/darktable
crash_function: _g_log_abort
executable:     /usr/bin/darktable
kernel:         3.12.6-300.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #2 _g_log_abort at gmessages.c:255
 #5 miUnionNonO at gdkregion-generic.c:1110
 #6 miRegionOp at gdkregion-generic.c:1021
 #7 gdk_region_union at gdkregion-generic.c:1266
 #8 gdk_window_invalidate_maybe_recurse_full at gdkwindow.c:5986
 #10 gdk_window_invalidate_region_full at gdkwindow.c:6041
 #11 gdk_window_invalidate_rect_full at gdkwindow.c:5823
 #12 gdk_window_invalidate_rect at gdkwindow.c:5843
 #13 gtk_widget_queue_draw_area at gtkwidget.c:3713
 #14 gtk_widget_queue_draw at gtkwidget.c:3783