#0  0xb6892478 in main_arena () from /tmp/apport_sandbox_31eO4c/lib/i386-linux-gnu/libc.so.6
#1  0xb45092c7 in dconf_engine_call_handle_reply (handle=handle@entry=0x957b0b8, parameter=0xb19080c0, error=0x0) at dconf-engine.c:724
  [Error: dconf-engine.c was not found in source tree]
#2  0xb450b271 in dconf_gdbus_method_call_done (source=0x8d01008, result=0x8b1e2b8, user_data=0x957b0b8) at dconf-gdbus-thread.c:231
  [Error: dconf-gdbus-thread.c was not found in source tree]
#3  0xb6a8bfe5 in g_simple_async_result_complete (simple=0x8b1e2b8) at /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c:763
  [Error: /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c was not found in source tree]
#4  0xb6af0708 in g_dbus_connection_call_done (source=0x8d01008, result=0xb1902a90, user_data=0xb230afb0) at /build/buildd/glib2.0-2.39.90/./gio/gdbusconnection.c:5498
  [Error: /build/buildd/glib2.0-2.39.90/./gio/gdbusconnection.c was not found in source tree]
#5  0xb6a8bfe5 in g_simple_async_result_complete (simple=simple@entry=0xb1902a90) at /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c:763
  [Error: /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c was not found in source tree]
#6  0xb6a8c04b in complete_in_idle_cb (data=data@entry=0xb1902a90) at /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c:775
  [Error: /build/buildd/glib2.0-2.39.90/./gio/gsimpleasyncresult.c was not found in source tree]
#7  0xb68fdc10 in g_idle_dispatch (source=source@entry=0xb230ce88, callback=0xb6a8c030 <complete_in_idle_cb>, user_data=0xb1902a90) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:5297
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gmain.c was not found in source tree]
#8  0xb69010b7 in g_main_dispatch (context=0x8d18bf8) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3066
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gmain.c was not found in source tree]
#9  g_main_context_dispatch (context=context@entry=0x8d18bf8) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gmain.c was not found in source tree]
#10 0xb6901478 in g_main_context_iterate (context=context@entry=0x8d18bf8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gmain.c was not found in source tree]
#11 0xb6901538 in g_main_context_iteration (context=context@entry=0x8d18bf8, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.39.90/./glib/gmain.c:3773
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gmain.c was not found in source tree]
#12 0xb450b670 in dconf_gdbus_worker_thread (user_data=0x8d18bf8) at dconf-gdbus-thread.c:82
  [Error: dconf-gdbus-thread.c was not found in source tree]
#13 0xb69279da in g_thread_proxy (data=0x8cdaf80) at /build/buildd/glib2.0-2.39.90/./glib/gthread.c:764
  [Error: /build/buildd/glib2.0-2.39.90/./glib/gthread.c was not found in source tree]
#14 0xb689cf70 in start_thread (arg=0xb22ffb40) at pthread_create.c:312
  [Error: pthread_create.c was not found in source tree]
#15 0xb67d2a6e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129
  [Error: ../sysdeps/unix/sysv/linux/i386/clone.S was not found in source tree]