UDP packets "dropped due to full socket buffers"

Hello! I see next one: server[root]:/var/tmp # netstat -n -a -p udp Active Internet connections (including servers) Proto Recv-Q Send-Q Local Address Foreign Address(state) udp4 33269 0 *.1646 *.* udp4 0 0 *.1645 *.* udp4 0

can't see CPU in top and other tools

Hello! I've a problem with two servers under FreeBSD. CPU tools show me information about CPU utilization only few minutes after system reboot. And after that I see constant CPU utilization: TOP: CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% idle VMSTAT: [EMAIL PROTECT