Version-Release number of selected component:
virt-manager-0.10.0-5.git1ffcc0cc.fc20

Additional info:
reporter:       libreport-2.1.11
backtrace_rating: 4
cmdline:        /usr/bin/python /usr/share/virt-manager/virt-manager
crash_function: g_realloc
executable:     /usr/bin/python2.7
kernel:         3.12.9-301.fc20.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 g_realloc at gmem.c:169
 #5 g_object_weak_ref at gobject.c:2681
 #6 g_object_add_weak_pointer at gobject.c:2760
 #7 gdk_window_queue at gdkgeometry-x11.c:209
 #8 _gdk_x11_window_queue_antiexpose at gdkgeometry-x11.c:222
 #9 gdk_window_process_updates_internal at gdkwindow.c:3489
 #10 gdk_window_process_updates_with_mode at gdkwindow.c:3689
 #11 _g_closure_invoke_va at gclosure.c:840
 #13 g_signal_emit_by_name at gsignal.c:3426
 #14 gdk_frame_clock_paint_idle at gdkframeclockidle.c:430