libc.so.6 error with RH 7.0

[Edgardo Lust]

I'm trying to start qmail but  /var/log/qmail/smtpd file is logging: 
/usr/local/bin/tcpserver: error while loading shared libraries: libc.so.6: failed to 
map segment from shared object: Cannot allocate memory.

Any idea?

Saludos

Edgardo Lust