Date: Mon, 18 Mar 2002 01:08:30 -0500 From: Brendan McAlpine <bmcalpine@macconnect.com> To: Patrick O'Reilly <bsd@perimeter.co.za>, <questions@FreeBSD.ORG> Subject: Re: HELP!! problem with new bsd mail server [solved kind of] Message-ID: <B8BAEE8E.BA45%bmcalpine@macconnect.com> In-Reply-To: <001601c1ce41$1b8ff5a0$0200000a@perimeter.co.za>
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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" <bsd@perimeter.co.za> > Date: Mon, 18 Mar 2002 07:52:33 +0200 > To: "Brendan McAlpine" <bmcalpine@macconnect.com>, "Doug Reynolds" > <mav@wastegate.net>, <questions@FreeBSD.ORG> > Subject: Re: HELP!! problem with new bsd mail server [solved kind of] > > maxusers in the Kernel config ??? > > ----- Original Message ----- > From: "Brendan McAlpine" <bmcalpine@macconnect.com> > To: "Doug Reynolds" <mav@wastegate.net>; "Patrick O'Reilly" > <peri@perimeter.co.za>; <questions@FreeBSD.ORG> > 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" <mav@wastegate.net> >>> Reply-To: "Doug Reynolds" <mav@wastegate.net> >>> Date: Sun, 17 Mar 2002 11:39:32 -0500 >>> To: "Brendan McAlpine" <bmcalpine@macconnect.com>, "Patrick O'Reilly" >>> <peri@perimeter.co.za>, "questions@FreeBSD.ORG" > <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
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