#0  g_logv (log_domain=0x7ff2bcce0641 "GLib-GIO", log_level=G_LOG_LEVEL_ERROR, format=<optimized out>, args=args@entry=0x7fffc2102248) at /build/buildd/glib2.0-2.33.10/./glib/gmessages.c:974
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmessages.c was not found in source tree]
#1  0x00007ff2c0e9e192 in g_log (log_domain=log_domain@entry=0x7ff2bcce0641 "GLib-GIO", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7ff2bccfcef0 "Settings schema '%s' does not contain a key named '%s'") at /build/buildd/glib2.0-2.33.10/./glib/gmessages.c:1003
  [Error: /build/buildd/glib2.0-2.33.10/./glib/gmessages.c was not found in source tree]
#2  0x00007ff2bcc9783f in g_settings_schema_get_value (schema=schema@entry=0x1b98540, key=key@entry=0x1dc1460 "framebuffer-object") at /build/buildd/glib2.0-2.33.10/./gio/gsettingsschema.c:640
  [Error: /build/buildd/glib2.0-2.33.10/./gio/gsettingsschema.c was not found in source tree]
#3  0x00007ff2bcc97a4c in g_settings_schema_key_init (key=key@entry=0x7fffc21023b0, schema=0x1b98540, name=name@entry=0x1dc1460 "framebuffer-object") at /build/buildd/glib2.0-2.33.10/./gio/gsettingsschema.c:751
  [Error: /build/buildd/glib2.0-2.33.10/./gio/gsettingsschema.c was not found in source tree]
#4  0x00007ff2bcc9afc2 in g_settings_get_value (settings=0x1b4a230, key=0x1dc1460 "framebuffer-object") at /build/buildd/glib2.0-2.33.10/./gio/gsettings.c:1079
  [Error: /build/buildd/glib2.0-2.33.10/./gio/gsettings.c was not found in source tree]
#5  0x00007ff2bcf5141d in ?? ()
#6  0x0000000001f3bbe0 in ?? ()
#7  0x0000000000000000 in ?? ()