SDL Reports 640x400 windowed surfaces are not OK. Windowed scalers may not work properly.
SDL Reports 1280x960 windowed surfaces are not OK. Attempting to use 16 bpp. anyway
. >> Entering [ imagewin.cc:864 ] Image_window::show, x 0, y 0, w 320, h 200
. == In       [ imagewin.cc:871 ] Image_window::show, about to clip srcx 0, srcy 0
. == In       [ imagewin.cc:877 ] Image_window::show, adjusted start x 0, y 0
. == In       [ imagewin.cc:880 ] Image_window::show, about to increase area width 320, height 200
. == In       [ imagewin.cc:883 ] Image_window::show, about to pixel align x 0, y 0, w 320, h 200
. == In       [ imagewin.cc:908 ] Image_window::show, after    pixel align x 0, y 0, w 320, h 200
. == In       [ imagewin.cc:912 ] Image_window::show, Blit Phase 1 scaler 1 'Interlaced' entrance
. == In       [ imagewin.cc:938 ] Image_window::show, Blit Phase 1 about to scale without ARB on 'Interlaced'
. == In       [ imagewin.cc:966 ] Image_window::show, Blit Phase 1 about to scale without ARB on 'Interlaced' bpp 0 ( 0 ) -> fun 0x1024edbe0
. == In       [ imagewin.cc:969 ] Image_window::show, Blit Phase 1 about to scale without ARB on 'Interlaced' bpp 0 ( 0 ) -> calling  fun 0x1024edbe0
. == In       [ imagewin.cc:971 ] Image_window::show, Blit Phase 1 about to scale without ARB on 'Interlaced' bpp 0 ( 0 ) -> returned fun 0x1024edbe0
. == In       [ imagewin.cc:987 ] Image_window::show, Blit Phase 1 scaled to x 0, y 0, w 1280, h 800
. == In       [ imagewin.cc:988 ] Image_window::show, Blit Phase 1 scaler 1 'Interlaced' leave
. == In       [ imagewin.cc:993 ] Image_window::show, Blit Phase 2 scaler 0 'Point' entrance
. == In       [ imagewin.cc:1008 ] Image_window::show, Blit Phase 2 scaling to x 16, y 16, w 1280, h 800
. == In       [ imagewin.cc:1018 ] Image_window::show, Blit Phase 2 about to retry with ARB on 'Point'
. == In       [ imagewin.cc:1028 ] Image_window::show, Blit Phase 2 scaled to x 0, y 0, w 1280, h 960
. == In       [ imagewin.cc:1029 ] Image_window::show, Blit Phase 1 scaler 1 'Interlaced' leave
. == In       [ imagewin.cc:1033 ] Image_window::show, about to UpdateRect x 0, y 0, w 1280, h 960
exult(5934,0x1fe687ac0) malloc: Heap corruption detected, free list is damaged at 0x600003b154d0
*** Incorrect guard value: 0
exult(5934,0x1fe687ac0) malloc: *** set a breakpoint in malloc_error_break to debug