Re: problems with KAV for FreeBSD 6.0

On Thu, Feb 15, 2007 at 02:02:47PM -0500, Roldan Vallejo Olivera wrote:
hello list:
I have a FreeBSD 6.0 running in an HP Proliant GL 370, Dual Xeon 3.2 GHz,
1GB RAM, and RAID-5 75 GB, in this system we have a BIND DNS service and a
Sendmail as a mail relay-only server, processing an average of 3GB messages
daily, we have purchased a KAV license for 4 GB traffic daily, but we are
having problems: sometimes our server runs out of resources and issues the
following message error:
"maxproc limit exceeded by uid 0, please see tuning(7) and login.conf(5)
ns1 sendmail[545] syserr (root): <mailbox@xxxxxxxxxxxx> openmailer
(smtpscanner): cannot fork: resource temporarily unavailable no queue:
syserr(root): daemon: cannot fork"

at this moment when I try to login at the server i receive this error:
"login: login: fork: resource temporarily unavailable"

the server replies at ping command, but doesn't allow telnet neither ssh,
and stops processing messages. we have noticed this scenario runs out of
free memory as we read the output of top command:

"last pid: 26888; load averages: 1.02, 0.91, 0.54 up 3+19:06:18
03:10:00
615 processes: 4 starting, 2 running, 608 sleeping, 1 lock

Mem: 698M Active, 58M Inact, 188M Wired, 48M Cache, 111M Buf, 3532K Free
Swap: 4096M Total, 24M Used, 4071M Free"


Free memory seems adequate here. You have very little swap space used. FreeBSD
uses the philosophy that free memory is wasted memory.

As soon as I reboot the system everything works fine for the next 3 or 4
days... I don't know what's exactly the problem and of course, I have no
idea of the solution, can anybody help me, please?
thanks in advance
roldan


What does sysctl kern.maxusers show? Depending on what the current value of
this is you may want to increase it.

Below is my current value for kern.maxusers
dwpc@ /etc>sysctl kern.maxusers
kern.maxusers: 250

kern.maxusers sets many kernel parameters and does not
actually specify the number of users which can use the system.

This and other tuning options can be found in tuning(7).

--Duane
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