'/usr/local/etc/rc.d/squid stop' problem

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It seems something strange with squid-2.6.6 on my FreeBSD 6.2-PRERELEASE  
box.
After running 'usr/local/etc/rc.d/squid stop' (and therefore during system  
shutdown on 'Ctrl+Alt+Delete' or ACPI power button pushing) I see the  
following:

Stopping squid.
Waiting for PIDS: 553 564, 553 564, 553 564, 553 564, 553 564, 553 564,  
553 564, 553 564, 553 564, 553 564, 553 564, 553 564, 553 564, 553 564,  
553 564, 553 564.

In case of shutdown /etc/rc.shutdown initiates watchdog timer. I think it  
isn't normal.