I just ran into this same problem… Not sure what's going on. I'm using an Alix board w/ the latest bios and RC4 embedded - Been running great until i noticed this. Crazy thing is it is still really responsive...
last pid: 36905; load averages: 2.20, 2.19, 1.78 up 8+23:01:14 22:48:51
38 processes: 2 running, 34 sleeping, 2 zombie
CPU states: 8.1% user, 0.4% nice, 91.5% system, 0.0% interrupt, 0.0% idle
Mem: 42M Active, 10M Inact, 17M Wired, 40K Cache, 17M Buf, 173M Free
Swap:
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
10032 root 1 132 0 1440K 584K RUN 26:57 95.31% syslogd
1809 root 1 4 0 15728K 11132K accept 0:08 0.05% php
406 root 1 96 0 2304K 1856K select 2:53 0.00% openvpn
739 root 1 8 -88 1408K 356K nanslp 1:45 0.00% watchdogd
699 root 1 96 0 5980K 5144K select 0:41 0.00% bsnmpd
551 root 1 4 0 3400K 1532K kqread 0:33 0.00% lighttpd
7582 root 1 -58 0 3848K 1316K bpf 0:10 0.00% tcpdump
7778 _ntp 1 96 0 1340K 640K select 0:06 0.00% ntpd
753 root 1 8 0 1384K 540K nanslp 0:05 0.00% cron
606 root 1 4 0 23340K 19088K accept 0:04 0.00% php
7583 root 1 -8 0 1276K 416K piperd 0:03 0.00% logger
11520 proxy 1 4 20 704K 244K kqread 0:02 0.00% pftpx
10455 proxy 1 4 20 704K 244K kqread 0:02 0.00% pftpx
7723 nobody 1 96 0 1472K 700K select 0:02 0.00% dnsmasq
794 root 1 8 0 1268K 364K nanslp 0:01 0.00% minicron
33466 root 1 8 20 1272K 700K nanslp 0:01 0.00% check_reload_status
7779 root 1 96 0 1376K 596K select 0:01 0.00% ntpd
331 _dhcp 1 96 0 1468K 560K select 0:00 0.00% dhclient
36478 root 1 116 20 5744K 2772K select 0:00 0.00% sshd
36851 root 1 96 0 2356K 1576K RUN 0:00 0.00% top
572 root 1 8 0 14924K 864K wait 0:00 0.00% php
569 root 1 8 0 14924K 864K wait 0:00 0.00% php
553 root 1 8 0 14924K 864K wait 0:00 0.00% php
36493 root 1 8 0 1712K 1324K wait 0:00 0.00% login
36622 root 1 20 0 3620K 2612K pause 0:00 0.00% tcsh
10252 root 1 -8 0 1268K 280K piperd 0:00 0.00% sshlockout_pf
36528 root 1 8 0 1720K 1196K wait 0:00 0.00% sh
265 root 1 96 0 1468K 272K select 0:00 0.00% dhclient
36529 root 1 8 0 1728K 1204K wait 0:00 0.00% sh
36495 root 1 5 0 1724K 1200K ttyin 0:00 0.00% sh
36494 root 1 8 0 1720K 1196K wait 0:00 0.00% sh
35757 dhcpd 1 96 0 2188K 1812K select 0:00 0.00% dhcpd
36367 root 1 116 20 3064K 2496K select 0:00 0.00% sshd
127 root 1 96 0 504K 112K select 0:00 0.00% devd
33453 root 1 -8 0 1400K 956K piperd 0:00 0.00% cron
605 root 1 4 0 14924K 864K accept 0:00 0.00% php