[squid-users] squid exited on signal 4 on FreeBSD

Hi

I have squid 2.5.STABLE3 running on FreeBSD-STABLE.
Some times (once on day, one week) squid ended with signal 4, I don't why.
You see log:
============= logs ===============================
Sep 24 18:12:31 posejdon /kernel: pid 73950 (squid), uid 65534: exited on signal 4
Sep 24 18:12:31 posejdon /kernel: Sep 24 18:12:31 posejdon /kernel: pid 73950 (squid), uid 65534: exited on signal 4
Sep 24 18:12:31 posejdon squid[24588]: Squid Parent: child process 73950 exited due to signal 4
Sep 24 18:12:34 posejdon squid[24588]: Squid Parent: child process 22766 started
Sep 24 18:12:34 posejdon squid[22766]: Starting Squid Cache version 2.5.STABLE3 for i386-portbld-freebsd4.8...
Sep 24 18:12:34 posejdon squid[22766]: Process ID 22766
Sep 24 18:12:34 posejdon squid[22766]: With 11095 file descriptors available
Sep 24 18:12:34 posejdon squid[22766]: Performing DNS Tests...
Sep 24 18:12:34 posejdon squid[22766]: Successful DNS name lookup tests...
Sep 24 18:12:34 posejdon squid[22766]: DNS Socket created at 0.0.0.0, port 3524, FD 5
Sep 24 18:12:34 posejdon squid[22766]: Adding nameserver 217.173.198.2 from squid.conf
Sep 24 18:12:34 posejdon squid[22766]: Adding nameserver 217.173.198.3 from squid.conf
Sep 24 18:12:34 posejdon squid[22766]: Unlinkd pipe opened on FD 11
Sep 24 18:12:34 posejdon squid[22766]: Swap maxSize 24576000 KB, estimated 1890461 objects
Sep 24 18:12:34 posejdon squid[22766]: Target number of buckets: 94523
Sep 24 18:12:34 posejdon squid[22766]: Using 131072 Store buckets
Sep 24 18:12:34 posejdon squid[22766]: Max Mem size: 8192 KB
Sep 24 18:12:34 posejdon squid[22766]: Max Swap size: 24576000 KB
Sep 24 18:12:34 posejdon squid[22766]: Rebuilding storage in /usr/home/w3cache (DIRTY)
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PS.
Sorry for my english.
--
szczur
ERARE HUMANUM EST
/bladzic jest rzecza ludzka/
seneka