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Hi,
I have upgraded ucspi-tcp (to 0.86) and daemontools (to 0.70)
yesterday on two computers. One of them runs fine, on the other I
have a big problem:
Symptom: new tcpserver for SMTP service seems to be spawned
anew each 5 minutes. The newly spawned one consumes all
available CPU (probably because it can't bind to port 25). This
morning, the load on that box was 51.33! "killall tcpserver" helps for
a while (one tcpserver is re-spawned immediately, but after some
while, the problem re-appears).
I have "svscan /service" running. I have /service/qmail-smtp pointing
to /var/supervise/qmail-smtpd. Contents of
/var/supervise/qmail-smtpd (excluding "supervise" subdirs):
[root@backbone qmail-smtp]# ls -laR
total 5
drwxr-xr-t 4 root root 1024 Mar 14 10:03 .
drwxr-xr-x 8 root root 1024 Mar 13 19:05 ..
drwxr-xr-x 3 root root 1024 Mar 13 19:02 log
- -rwxr-xr-x 1 root root 249 Mar 14 10:03 run
drwx------ 2 root root 1024 Mar 14 10:42 supervise
log:
total 4
drwxr-xr-x 3 root root 1024 Mar 13 19:02 .
drwxr-xr-t 4 root root 1024 Mar 14 10:03 ..
- -rwxr-xr-x 1 root root 88 Mar 13 17:27 run
drwx------ 2 root root 1024 Mar 14 10:37 supervise
Contents of run (all on one line):
[root@backbone qmail-smtp]# less run
#!/bin/sh
exec /usr/bin/env - PATH="$PATH" /usr/bin/softlimit -m 2000000 /usr/bin/tcpserve
r -v -c40 -lbackbone.antek.it -x/etc/tcp.smtp.cdb -u501 -g500 0 25 /usr/bin/rbls
mtpd -c -rdul.maps.vix.com -rrbl.maps.vix.com /var/qmail/bin/qmail-smtpd 2>&1
supervise qmail-smtp and supervise log are running. Logs show no
hint about what could be wrong.
Please do tell me, what could be wrong? The box, as is now, is
unusable. I'd hate to set up a cronjob to "killall tcpserver" each 5
minutes as it would probably break receiving large files - but the
load is unbearable.
The box is linux, 2.0.36 kernel, RedHat5.1 with all updates
installed.
Do you need more info?
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--
Petr Novotny, ANTEK CS
[EMAIL PROTECTED]
http://www.antek.cz
PGP key ID: 0x3BA9BC3F
-- Don't you know there ain't no devil there's just God when he's drunk.
[Tom Waits]
