this afternoon I ran the full-update to beta3 and everythign seemed
great... (nice graphs, btw) but then i went shopping etc... came back
and had left the system page open and noticed the cpu was pegged at
100% (it's an old machine but normally sits at ~5-25%). and i had
checked before right after the upgrade and everything was nominal, cpu,
mem, bandwidth, etc...
now i have lots of these in the syslog:
Apr 23 20:37:48 tsmonk dhclient[274]: 5 bad IP
checksums seen in 5 packets
Apr 23 20:38:19 tsmonk last message repeated 68849 times
Apr 23 20:40:19 tsmonk last message repeated 305226 times
and top confirms dhclient is the bad guy:
last pid: 73943; load averages: 2.59, 2.56,
2.56 up 0+06:42:34 20:57:38
34 processes: 2 running, 32 sleeping
CPU states: 47.9% user, 0.0% nice, 45.1% system, 7.0%
interrupt, 0.0% idle
Mem: 13M Active, 13M Inact, 18M Wired, 4K Cache, 12M Buf, 73M Free
Swap: 512M Total, 512M Free
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU
COMMAND
274 _dhcp 1 139 0 1388K 1036K RUN 42:35 5.66%
dhclient
176 root 1 79 0 1372K 1004K select 38:37 4.79%
syslogd
1256 root 1 4 0 3668K 3220K kqread 1:02 0.00%
lighttpd
1423 root 1 8 20 1700K 1212K wait 0:15 0.00% sh
1262 root 1 8 0 7496K 3792K wait 0:10 0.00%
php
72754 root 1 76 0 2336K 1588K RUN 0:07 0.00%
top
1495 root 1 8 0 236K 132K nanslp 0:07 0.00%
check_reload_status
313 root 1 -58 0 3688K 1936K bpf 0:02 0.00%
tcpdump
1290 nobody 1 76 0 1328K 980K select 0:02 0.00%
dnsmasq
72703 root 1 76 0 5564K 2612K select 0:01 0.00%
sshd
432 root 1 76 0 1480K 1136K select 0:01 0.00%
inetd
1258 root 1 8 0 7496K 3792K wait 0:01 0.00%
php
1480 dhcpd 1 76 0 2196K 1864K select 0:00 0.00%
dhcpd
1227 proxy 1 4 0 656K 416K kqread 0:00 0.00%
pftpx
1380 proxy 1 4 0 656K 448K kqread 0:00 0.00%
pftpx
314 root 1 -8 0 1196K 684K piperd 0:00 0.00%
logger
1482 root 1 8 0 1304K 980K nanslp 0:00 0.00%
cron
1331 root 1 92 0 1288K 1012K select 0:00 0.00%
mpd
72752 root 1 20 0 3436K 2412K pause 0:00 0.00%
tcsh
1512 root 1 8 0 1568K 1244K wait 0:00 0.00%
login
72717 root 1 8 0 1640K 1136K wait 0:00 0.00% sh
72718 root 1 8 0 1648K 1204K wait 0:00 0.00% sh
i assume you guys would like me to do some debugging but you'll have to
hold my hand through it... A.) i'm not a programmer. B.) i'm ok at
Linux and Windows but a total noob when it comes to the BSDs... maybe
i'll hop on the IRC channel in a few minutes and see if anyone is
around who wants to look deeper at it... if no one is around i'll
reboot and start playing and poking at it until i fix it or break it...
the machine is otherwise running fine but it will melt itself
eventually if it sits there with the CPU pegged (i put a fanless
heatsink on it to keep it quiet).
-mOjO
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- [pfSense Support] Beta3 - dhclient has cpu pegged mOjO
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