[squid-users] starting and exiting periodically

hello all,

my box keeps sending the message shown above. Can anyone help me
resolving this issue, pls?

thanks in advance,
Miki

squid is 2.4stable2

Jan 23 09:17:43 zzz squid[3139]: Squid Parent: child process 53275
started
Jan 23 09:19:09 zzz squid[3139]: Squid Parent: child process 53275
exited due to signal 6
Jan 23 09:19:12 zzz squid[3139]: Squid Parent: child process 53278
started
Jan 23 09:19:20 zzz squid[3139]: Squid Parent: child process 53278
exited due to signal 6
Jan 23 09:19:23 zzz squid[3139]: Squid Parent: child process 53281
started
Jan 23 09:19:48 zzz squid[3139]: Squid Parent: child process 53281
exited due to signal 6
Jan 23 09:19:51 zzz squid[3139]: Squid Parent: child process 53284
started

the process is (ps -xa):

53290 ?? S 0:00.73 (squid) (squid)

my system is (uname -a)

FreeBSD zzz.domain 4.4-RELEASE FreeBSD 4.4-RELEASE #0: Tue Sep 18
11:57:08 PDT 2001
murray@builder.FreeBSD.org:/usr/src/sys/compile/GENERIC i386
Received on Wed Jan 23 2002 - 03:46:01 MST