Comment 2 for bug 107061

Backtrace:

#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7e59033 in read () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7dfa4f8 in _IO_file_read () from /lib/tls/i686/cmov/libc.so.6
#3 0xb7dfb8c0 in _IO_file_underflow () from /lib/tls/i686/cmov/libc.so.6
#4 0xb7dfbfbb in _IO_default_uflow () from /lib/tls/i686/cmov/libc.so.6
#5 0xb7dfd31d in __uflow () from /lib/tls/i686/cmov/libc.so.6
#6 0xb7df72a0 in getc () from /lib/tls/i686/cmov/libc.so.6
#7 0x08060147 in yylex () at lex.yy.c:2618
#8 0x080599e5 in yyparse () at y.tab.c:2396
#9 0x080524d9 in main (argc=1, argv=0xbfe47f34) at main.c:4419

I have installed flex and byacc