Errors installing DB2 9.1

./db2setup

ERROR:
The following library files could not be loaded by db2langdir in /mnt/iso0/db2/linux/install/../bin

-> libstdc++.so.5
-> libstdc++.so.5

Check the following web site for the up-to-date system requirements
of IBM DB2 Version 9.1:

http://www.ibm.com/software/data/db2/udb/sysreqs.html

Aborting the current installation ...

Install
yum -y install compat-libstdc++-33

db2setup
/tmp/db2setup.err
Unhandled exception
Type=Illegal instruction vmState=0xb0226c70

export JAVA_COMPILER=NONE
db2setup