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Date:      Wed, 05 Feb 2003 19:04:49 -0800
From:      "Joel M. Baldwin" <qumqats@outel.org>
To:        Muhannad Asfour <muhannad07@cogeco.ca>, freebsd-questions@FreeBSD.ORG
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: Server locking hard -- A LOT!!!
Message-ID:  <293424432.1044471889@[192.168.1.20]>
In-Reply-To: <1044415491.17761.9.camel@bsdbox.qubix.ca>
References:   <1044415491.17761.9.camel@bsdbox.qubix.ca>

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Check your RAM.    <http://www.memtest86.com/>;

Check your BIOS settings.  Try running the system with the
failsafe settings if your BIOS has that.

If all else fails put the debug options into the kernel,
add a serial console, and see if you can break into ddb.

--On Tuesday, February 04, 2003 10:24 PM -0500 Muhannad Asfour 
<muhannad07@cogeco.ca> wrote:

> Hello.  I've recently faced a rather odd issue that I've never seen
> before.  I bought a new server (specs below), and I loaded it up with
> FreeBSD 5.0-RELEASE (I know, I know, not for a production environment,
> but this is a personal server).  Now, whenever I get about 30
> simultaneous connections, the box just locks hard.  I tested all the
> hardware components (CPU, Memory, HD, NIC, etc.) and even bought new
> ones just to make sure and all end up with the same result.  I can
> never keep a decent uptime (never went past 2 days so far).  As soon
> as I get a mediocre http load (30 simul. connections), the box just
> locks hard.  I built a debug kernel, I tried everything imaginable,
> and I have not found a solution whatsoever.  Everyone seems to be
> stumped by this.  I tried FreeBSD 4.7-RELEASE, 4.7-STABLE,
> 5.0-RELEASE and 5.0-CURRENT on this box.  All give me the same
> result.  I checked everywhere for relevant logs to explain what is
> occuring, but had no such luck.  This is truly the million dollar
> question for me right now, because I have no idea why it would lock
> under such a petty load.  I'm not sure what to do to fix this issue,
> I've tried many different areas for support and haven't come up with
> anything as I stated earlier.  I'm not overclocking or anything if
> that's what you're wondering.  If anyone could assist me in any way
> shape or form to get this working, I would appreciate it very very
> much.  Also, if you e-mail back, I'm not subscribed to the lists, so
> could you please CC it to me.  In the past 4 hours, it has locked
> hard about 3 times because of a 28-34 connection load.
>
> Machine Specs:
> Single Pentium IV 2.4 GHz processor
> ASUS P4S533 motherboard
> 512MB DDR333 RAM (will be 1GB next week)
> 120GB Maxtor 7200rpm (ATA133) HDD
> 40GB Maxtor 7200 rpm (ATA66) HDD
> Floppy Disk Drive
> ATI Rage 128 (32 meg) AGP 4x graphics adapter
> 52x LG CD-ROM drive
> 3Com 3C905C-TX NIC
> Currently running FreeBSD 5.0-CURRENT as of Sunday Feb. 2, 13:02:05
> EST 2003.
>
> Thank you very much
>
>
>
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