could not change directory to "/root"

Hi

I am new to postgresql.  I am having some weird problems.
Output
attached below.  Please any help would be appreciated.

bash-3.2$
createdb test1
could not change directory to "/root"
bash-3.2$
dropdb test
could not change directory to "/root"
bash-3.2$

any
recommendations.
Some additional info.  This is on a cenos 5.4 with
full admin rights.

bash-3.2$ ps ax | grep post
11329 pts/2   
S      0:00 su postgres
11578 pts/2    R+     0:00 grep post
17894
?        S      0:02 /usr/bin/postmaster -p 5432 -D /var/lib/pgsql/data
17899
?        Ss     0:00 postgres: logger
process                         
17901 ?        Ss     0:00
postgres: writer process                         
17902 ?       
Ss     0:00 postgres: wal writer process                     
17903
?        Ss     0:00 postgres: autovacuum launcher process            
17904
?        Ss     0:18 postgres: stats collector
process                
bash-3.2$

thanks