From owner-freebsd-questions Sun Mar 17 22: 7:55 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mail.macconnect.com (mail.macconnect.com [204.68.168.11]) by hub.freebsd.org (Postfix) with SMTP id 2EAFF37B400 for ; Sun, 17 Mar 2002 22:07:47 -0800 (PST) Received: (qmail 46605 invoked by uid 0); 18 Mar 2002 06:13:17 -0000 Received: from unknown (HELO ?10.0.1.7?) (24.168.28.19) by mail.macconnect.com with SMTP; 18 Mar 2002 06:13:17 -0000 User-Agent: Microsoft-Entourage/10.0.0.1331 Date: Mon, 18 Mar 2002 01:08:30 -0500 Subject: Re: HELP!! problem with new bsd mail server [solved kind of] From: Brendan McAlpine To: Patrick O'Reilly , Message-ID: In-Reply-To: <001601c1ce41$1b8ff5a0$0200000a@perimeter.co.za> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Is there a way to change this without re-compiling the kernel? What do you think it should be set to? Brendan > From: "Patrick O'Reilly" > Date: Mon, 18 Mar 2002 07:52:33 +0200 > To: "Brendan McAlpine" , "Doug Reynolds" > , > Subject: Re: HELP!! problem with new bsd mail server [solved kind of] > > maxusers in the Kernel config ??? > > ----- Original Message ----- > From: "Brendan McAlpine" > To: "Doug Reynolds" ; "Patrick O'Reilly" > ; > Sent: Monday, March 18, 2002 12:34 AM > Subject: Re: HELP!! problem with new bsd mail server [solved kind of] > > >> Ok >> >> Here is what I've found so far. Thanks for all the help to date. It is >> very much appreciated. >> >> I found that when I shut down qmail, the server returned to normal. > After a >> thorough search through qmail files and after several hours of testing, > the >> problem seems to be occurring when the concurrent connections (pop and > smtp) >> gets up to about 100. At that point the network card stops working. >> >> I am using the generic 4.3 kernel. Once I lowered qmails concurrent >> connections setting (to 20, very low) the server operated just fine. >> However, when it gets busy during business hours, mail is going to be > queued >> up, not a good thing. >> >> Are there any settings in the kernel that I should be changing to allow > this >> machine to handle more concurrent connections without freaking out? >> >> Thanks for any advice. >> >> Brendan >>> From: "Doug Reynolds" >>> Reply-To: "Doug Reynolds" >>> Date: Sun, 17 Mar 2002 11:39:32 -0500 >>> To: "Brendan McAlpine" , "Patrick O'Reilly" >>> , "questions@FreeBSD.ORG" > >>> Subject: Re: HELP!! problem with new bsd mail server [solved kind of] >>> >>> On Sun, 17 Mar 2002 11:24:33 -0500, Brendan McAlpine wrote: >>> >>>> Thanks Patrick. Sorry for the lack of info. >>>> >>>> At this point, all I want is for the machine to run a full 24 hours > without >>>> going deaf to network connections. >>>> >>>> Its very strange. The machine is running FreeBSD4.5 and I'm running > qmail, >>>> qmailadmin, and sqwebmail. Apache is serving up the qmailadmin and >>>> sqwebmail cgi's. >>>> >>>> The machine is a brand new, dual 1GHZ pentium running RAID 5 across 3 > large >>>> SCSI disks. >>>> >>>> Every 3 or 4 hours the machine goes "deaf" to its network set up and > no >>>> incoming or outbound traffic can get through. When it goes deaf it > can't >>>> even ping the switch its connected to. >>>> >>>> At first I thought the problem was because of the dual ethernet > cards. So I >>>> disabled one of them in the bios settings. The machine ran better. > After >>>> 24 hours or so, it started going deaf every 4 or 5 hours again. >>>> >>>> Since this is happening on a more or less random schedule, I can't > pin down >>>> what the problem is. Something is causing the machine to less its >>>> networking ability for about 10 minutes at a time every 4 or 5 hours. >>>> >>>> BTW, I checked my log files and nothing is being logged as errors > when the >>>> downtime occurs. The only errors in there are: >>>> >>>> /kernel: stray irq 7 >>>> >>>> I'm unsure of how to move from here....please help..... >>> >>> first thing you need to give us is a dmesg and tell us what kinda >>> network card(s) you are running.. >>> >>> the stray irq 7 sounds like a conflict >>> >>> try turning off your LPT1 printer port in the BIOS (if you aren't > using >>> it) and see if that helps >>> >>> --- >>> doug reynolds | the maverick | mav@wastegate.net >>> >>> PGP Public Key Fingerprint: 7FEC 10AA 056B F8DE AC1E 6965 FBBE 9601 >>> >>> >>> >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-questions" in the body of the message >> > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message