[squid-users] WARNING: no_suid: setuid(0): (1) Operation not permitted

2012/12/12 12:18:28 kid1| Logfile: opening log daemon:/var/log/squid/access-backend3a.log
2012/12/12 12:18:28 kid1| Logfile Daemon: opening log /var/log/squid/access-backend3a.log
2012/12/12 12:18:28 kid1| WARNING: no_suid: setuid(0): (1) Operation not permitted
2012/12/12 12:18:28 kid1| WARNING: no_suid: setuid(0): (1) Operation not permitted

in my cache.log
there is a warning. Is there any one tell me what's this?
Received on Wed Dec 12 2012 - 12:21:52 MST