[squid-users] Squid Parent: child process 12613 started

[Askar]

hello list, after giving problem from many todays squid process died heh 
too bad. here are the /var/log/messages

Jan 17 10:23:20 Mcache squid[1419]: Squid Parent: child process 12613 
started
Jan 17 10:23:23 Mcache squid[1419]: Squid Parent: child process 12613 
exited due to signal 6
Jan 17 10:23:26 Mcache squid[1419]: Squid Parent: child process 12625 
started
Jan 17 10:23:28 Mcache squid[1419]: Squid Parent: child process 12625 
exited due to signal 6
Jan 17 10:23:28 Mcache squid[1419]: Exiting due to repeated, frequent 
failures

we are using Squid Cache: Version 2.5.STABLE7-20041228,  any idea why 
child process exited due to signal 6?

regards
Askar