Date: Thu, 15 Feb 2007 19:07:22 -0400 From: Duane Whitty <duane@dwlabs.ca> To: Roldan Vallejo Olivera <roldan@transnet.cu> Cc: freebsd-isp@freebsd.org Subject: Re: problems with KAV for FreeBSD 6.0 Message-ID: <20070215230722.GA27427@dwpc.dwlabs.ca> In-Reply-To: <001701c75133$e1cb0870$dd64000a@transnet.cu> References: <001701c75133$e1cb0870$dd64000a@transnet.cu>
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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@mydomain.com> 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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