GLIBC Break : Errors

$vi
Segmentation fault
$

$/lib/ld-linux.so.2 /bin/ls
/bin/ls: error while loading shared libraries: /bin/ls: wrong ELF class: ELFCLASS64
$

$file /lib/ld-linux.so.2
Segmentation fault
$

$su
Segmentation fault
$su -
Segmentation fault
$sudo
      1866:	[sudo: unknown uid 1000: who are you?
$

$/etc/init.d/gpm restart
Segmentation fault
$

$ls -l
      1955:	[total 81960
Segmentation fault
$
Typical Fix Related
$export LD_LIBRARY_PATH=/usr/lib:/lib:/lib32:/lib64:/usr/glibc-custom/lib