#0  0x00007f6820109dd2 in discovered_cb (discoverer=<optimized out>, info=0x56327c105220, error=<optimized out>, props=0x7f68140147b0) at ../src/totem-properties-view.c:287
  [Error: totem-properties-view.c was not found in source tree]
#1  0x00007f682c3a5dae in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#2  0x00007f682c3a571f in ffi_call (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#3  0x00007f6832b7d761 in g_cclosure_marshal_generic () from /tmp/apport_sandbox_8fcrnhns/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#4  0x00007f6832b7cf6d in g_closure_invoke () from /tmp/apport_sandbox_8fcrnhns/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5  0x00007f6832b8fd3e in ?? () from /tmp/apport_sandbox_8fcrnhns/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x00007f6832b983f5 in g_signal_emit_valist () from /tmp/apport_sandbox_8fcrnhns/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007f6832b98e0f in g_signal_emit () from /tmp/apport_sandbox_8fcrnhns/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007f6813de8a2a in ?? ()
#9  0x0000000000000000 in ?? ()