#0  0x00007f954a60d132 in Perl_csighandler () from /tmp/apport_sandbox_LQalVi/usr/lib/libperl.so.5.14
#1  <signal handler called>
#2  0x00007f954a1edf77 in __GI_raise (sig=15) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#3  0x00007f95487d3c18 in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: ../src/x86/unix64.S was not found in source tree]
#4  0x00007f95487d3580 in ffi_call (cif=cif@entry=0x7f953a84b8c0, fn=0x7f9543507a50 <g_dbus_connection_real_closed>, rvalue=0x7f953a84b830, avalue=avalue@entry=0x7f953a84b7d0) at ../src/x86/ffi64.c:522
  [Error: ../src/x86/ffi64.c was not found in source tree]
#5  0x00007f9548ce6b78 in g_cclosure_marshal_generic (closure=0x7f95340043c0, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x7f9543507a50 <g_dbus_connection_real_closed>) at /build/buildd/glib2.0-2.37.5/./gobject/gclosure.c:1454
  [Error: /build/buildd/glib2.0-2.37.5/./gobject/gclosure.c was not found in source tree]
#6  0x00007f9548ce6338 in g_closure_invoke (closure=0x7f95340043c0, return_value=0x0, n_param_values=3, param_values=0x7f953a84bad0, invocation_hint=0x7f953a84ba70) at /build/buildd/glib2.0-2.37.5/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.37.5/./gobject/gclosure.c was not found in source tree]
#7  0x00007f9548cf854b in signal_emit_unlocked_R (node=node@entry=0x7f9534004c60, detail=detail@entry=0, instance=instance@entry=0x7f9534006020, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7f953a84bad0) at /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c:3620
  [Error: /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c was not found in source tree]
#8  0x00007f9548d0098a in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7f953a84bc88) at /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c:3326
  [Error: /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c was not found in source tree]
#9  0x00007f9548d00c62 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c:3382
  [Error: /build/buildd/glib2.0-2.37.5/./gobject/gsignal.c was not found in source tree]
#10 0x00007f9543506622 in emit_closed_in_idle (user_data=0x7f952c008b20) at /build/buildd/glib2.0-2.37.5/./gio/gdbusconnection.c:1389
  [Error: /build/buildd/glib2.0-2.37.5/./gio/gdbusconnection.c was not found in source tree]
#11 0x00007f9548a1e166 in g_main_dispatch (context=0x168c1e0) at /build/buildd/glib2.0-2.37.5/./glib/gmain.c:3065
  [Error: /build/buildd/glib2.0-2.37.5/./glib/gmain.c was not found in source tree]
#12 g_main_context_dispatch (context=context@entry=0x168c1e0) at /build/buildd/glib2.0-2.37.5/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.37.5/./glib/gmain.c was not found in source tree]
#13 0x00007f9548a1e4b8 in g_main_context_iterate (context=context@entry=0x168c1e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.5/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.37.5/./glib/gmain.c was not found in source tree]
#14 0x00007f9548a1e55c in g_main_context_iteration (context=context@entry=0x168c1e0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.5/./glib/gmain.c:3773
  [Error: /build/buildd/glib2.0-2.37.5/./glib/gmain.c was not found in source tree]
#15 0x00007f953a853a9d in dconf_gdbus_worker_thread (user_data=0x168c1e0) at dconf-gdbus-thread.c:81
  [Error: dconf-gdbus-thread.c was not found in source tree]
#16 0x00007f9548a42cd5 in g_thread_proxy (data=0x1656cf0) at /build/buildd/glib2.0-2.37.5/./glib/gthread.c:798
  [Error: /build/buildd/glib2.0-2.37.5/./glib/gthread.c was not found in source tree]
#17 0x00007f9549a99f6e in start_thread (arg=0x7f953a84c700) at pthread_create.c:311
  [Error: pthread_create.c was not found in source tree]
#18 0x00007f954a2b0e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]