The current grub-0.97-204.3.x86_64 has a segfault upon invocation.

# gdb grub
...
(gdb) run
Starting program: /usr/sbin/grub 

Program received signal SIGSEGV, Segmentation fault.
0x00000000 in ?? ()
(gdb) where
#0  0x00000000 in ?? ()
#1  0x08084076 in new_prescr () at ../ncurses/tinfo/lib_setup.c:890
#2  0x080722ad in newterm (name=0xffffdde8 "screen", ofp=0x81693e0
<_IO_2_1_stdout_>, ifp=0x8169540 <_IO_2_1_stdin_>) at
../ncurses/base/lib_newterm.c:355
#3  0x0806e25b in initscr () at ../ncurses/base/lib_initscr.c:89
#4  0x08048fb0 in grub_stage2 () at asmstub.c:190
#5  0x08048e8e in main (argc=1, argv=0xffffd444) at main.c:264

"grub --batch" works, but without command completion.