Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 47937290802304 (LWP 28568)]
0x00002b9944fe7400 in ft_smooth_lcd_renderer_class ()
   from /usr/lib/libfreetype.so.6
(gdb) where
#0  0x00002b9944fe7400 in ft_smooth_lcd_renderer_class ()
   from /usr/lib/libfreetype.so.6
#1  0x00002b99444478d7 in ?? () from /usr/lib/libXfont.so.1
#2  0x00002b994444817c in ?? () from /usr/lib/libXfont.so.1
#3  0x00002b994444affb in ?? () from /usr/lib/libXfont.so.1
#4  0x00002b994444188b in FontFileListNextFontWithInfo ()
   from /usr/lib/libXfont.so.1
#5  0x0000000000433812 in doListFontsWithInfo (client=0x9e20c0, c=0xa93f50)
    at dixfonts.c:929
#6  0x0000000000433ee1 in StartListFontsWithInfo (client=0x9e20c0, length=65, 
    pattern=0x28 <Address 0x28 out of bounds>, max_names=1) at dixfonts.c:1140
#7  0x0000000000430dcc in ProcListFontsWithInfo (client=0xa99da0)
    at dispatch.c:1454
#8  0x000000000046b9dc in XaceCatchDispatchProc (client=0x9e20c0) at xace.c:281
#9  0x0000000000432318 in Dispatch () at dispatch.c:457
#10 0x0000000000442b36 in main (argc=3, argv=0x7fff668b8568, 
    envp=<value optimized out>) at main.c:445
#11 0x00002b9944c44374 in __libc_start_main () from /lib/libc.so.6
#12 0x000000000041e009 in _start ()