Comment 2 for bug 1386255

StacktraceTop:
 ?? ()
 g_cclosure_marshal_generic_va (closure=<error reading variable: Cannot access memory at address 0xffffffffffffff40>, return_value=<error reading variable: Cannot access memory at address 0xffffffffffffff20>, instance=<error reading variable: Cannot access memory at address 0xffffffffffffff68>, args_list=<optimized out>, marshal_data=<error reading variable: Cannot access memory at address 0xffffffffffffff18>, n_params=<error reading variable: Cannot access memory at address 0xffffffffffffff4c>, param_types=<error reading variable: Cannot access memory at address 0x10>) at /build/buildd/glib2.0-2.43.0~git20141021.4125415e/./gobject/gclosure.c:1552