Program received signal SIGSEGV, Segmentation fault.
0x00007fffe49d2ab6 in zoom_reposition_cb (gobject=<optimized out>, 
    arg1=<optimized out>, layer=0x222b140) at champlain-marker-layer.c:822
822	  g_return_if_fail (CHAMPLAIN_IS_MARKER_LAYER (layer));
(gdb) bt
#0  0x00007fffe49d2ab6 in zoom_reposition_cb (gobject=<optimized out>, 
    arg1=<optimized out>, layer=0x222b140) at champlain-marker-layer.c:822
#1  0x00007ffff7b959a5 in g_closure_invoke (closure=0x4fccfa0, 
    return_value=return_value@entry=0x0, n_param_values=2, 
    param_values=param_values@entry=0x7fffffff8c10, 
    invocation_hint=invocation_hint@entry=0x7fffffff8b90) at gclosure.c:804
#2  0x00007ffff7ba84c1 in signal_emit_unlocked_R (node=node@entry=0x625ed0, 
    detail=detail@entry=1281, instance=instance@entry=0x21c4230, 
    emission_return=emission_return@entry=0x0, 
    instance_and_params=instance_and_params@entry=0x7fffffff8c10)
    at gsignal.c:3629
#3  0x00007ffff7bb152c in g_signal_emit_valist (instance=<optimized out>, 
    signal_id=<optimized out>, detail=<optimized out>, 
    var_args=var_args@entry=0x7fffffff8dd0) at gsignal.c:3385
#4  0x00007ffff7bb185f in g_signal_emit (instance=instance@entry=0x21c4230, 
    signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3441
#5  0x00007ffff7b99f54 in g_object_dispatch_properties_changed (
    object=0x21c4230, n_pspecs=<optimized out>, pspecs=<optimized out>)
    at gobject.c:1062
#6  0x00007ffff7b99838 in g_object_notify_queue_thaw (
    object=object@entry=0x21c4230, nqueue=nqueue@entry=0x4dd4610)
    at gobject.c:296
#7  0x00007ffff7b9ded0 in g_object_set_property (object=0x21c4230, 
---Type <return> to continue, or q <return> to quit---
    property_name=<optimized out>, value=value@entry=0x7fffffff9028)
    at gobject.c:2372
#8  0x00007ffff76135dc in object_instance_set_prop (context=0x648f70, obj=..., 
    id=..., strict=<optimized out>, value_p=...) at gi/object.cpp:364
#9  0x00007ffff523bfda in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#10 0x00007ffff5240334 in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#11 0x00007ffff50ed13c in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#12 0x00007ffff50f19d8 in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#13 0x00007ffff50e887d in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#14 0x00007ffff51fa505 in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#15 0x00007ffff50e8915 in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#16 0x00007ffff50e8d5b in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#17 0x00007ffff53439dd in ?? () from /usr/lib/x86_64-linux-gnu/libmozjs-24.so.0
#18 0x00007ffff7fedaa2 in ?? ()
#19 0x00007fffd80bd168 in ?? ()
#20 0x00007fffffffa348 in ?? ()
#21 0x0000000000000000 in ?? ()

