I could provoke the error with the example program df_window. I added
the following 2 lines in df_window.c:

...
  desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
  desc.width = layer_config.width;
  desc.height = layer_config.height;
  desc.flags = desc.flags | DSDESC_CAPS;                    /* NEW */
  desc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;             /* NEW */

  DFBCHECK(dfb->CreateSurface( dfb, &desc, &bgsurface ) );
...

The program runs fin, but at the end it creates the error "caught signal
11":

(-) [Main Thread       2.302] (  143) Core/Surface:
dfb_surface_destroy_buffer( 0x8056298, 0x80563c8 )
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> destructor
done.
(-) [Main Thread       2.302] (  143) Fusion/Object:     == Surface Pool
==
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> dead
object 0x8070c70 [4]
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> calling
destructor...
(-) [Main Thread       2.302] (  143) Core/Surface:      destroying
0x8070c70 (800x600)
(-) [Main Thread       2.302] (  143) Core/Surface:
dfb_surface_notify_listeners( 0x8070c70, 0x00000008 )
(-) [Main Thread       2.302] (  143) Core/Surface:
dfb_surface_destroy_buffer( 0x8070c70, 0x8069860 )
(-) [Main Thread       2.302] (  143) Core/Surface:
dfb_surface_destroy_buffer( 0x8070c70, 0x8070d60 )
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> destructor
done.
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> destructor
done.
(-) [Main Thread       2.302] (  143) Fusion/Object:       -> destructor
done.
(!) [  143:    2.302] --> Caught signal 11 (at 0x328, invalid address)
<--
(-) [Main Thread       2.302] (  143) DirectFB/Core:
dfb_core_destroy...
(-) [Main Thread       2.302] (  143) Direct/Signals:    Removing
handler 0x4005e480 for signal -1 with context 0x804b240...
(-) [Main Thread       2.302] (  143) DirectFB/Core:     Shutting
down...

Any idea ?

Regards

Matthias

Switzerland


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