Program received signal SIGSEGV, Segmentation fault.
0x0142a82d in palette_deref (palette=0x600060) at src/lib/util/palette.c:186
186             if (--palette->refcount == 0)

(gdb) bt full
#0  0x0142a82d in palette_deref (palette=0x600060)
    at src/lib/util/palette.c:186
No locals.
#1  0x0142b6ce in bitmap_free (bitmap=0x51504a4) at src/lib/util/bitmap.c:134
No locals.
#2  0x00f1ee2c in video_exit (machine=0x41d0078) at src/emu/video.c:400
        info = (internal_screen_info *) 0x5b9fb30
        viddata = (video_private *) 0x5b9fb30
        scrnum = 0
        i = 32
#3  0x00eaa6d9 in mame_execute () at src/emu/mame.c:399
        driver = (const game_driver *) 0x14f8fc0
        machine = (running_machine *) 0x41d0078
        mame = (mame_private *) 0x41d030c
        cb = (callback_item *) 0x4336bc0
        gamename = (astring *) 0x4308e20
        exit_pending = 0
        error = 0
        firstgame = 0
        firstrun = 0
#4  0x00f39f77 in cli_execute (argc=2, argv=0x42e04e0, osd_options=0x21bdbe0)
    at src/emu/clifront.c:168
        gamename = (astring *) 0x42e0520
        exename = (astring *) 0x42e0620
        driver = (const game_driver *) 0x14f8fc0
        result = -1
#5  0x00e69305 in utf8_main (argc=2, argv=0x42e04e0)
    at src/osd/windows/winmain.c:251
        ext = 0x2777fe4 ".map"
#6  0x01468b31 in main (argc=2, a_argv=0x42e0450) at src/osd/windows/main.c:72
        i = 2
        rc = 66780664
        utf8_argv = (char **) 0x42e04e0
        argv = (TCHAR **) 0x42e0450