From owner-freebsd-emulation  Fri Feb 18 15:49:15 2000
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Date: Fri, 18 Feb 2000 15:45:29 -0800
From: Zander Collier <zcollier@cncx.com>
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To: Alfred Perlstein <bright@wintelcom.net>
Cc: emulation@FreeBSD.ORG, questions@FreeBSD.ORG
Subject: Re: sbwait state question
References: <38ADD5A3.DF7EB7F5@cncx.com> <20000218160628.C21720@fw.wintelcom.net>
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Well, I was a little hesitant because I was afraid of being mocked
for running an Ultima Online emulator.  ;)

It's called 'The Ultimate Server' or TUS.

You can see it here:
http://www.menasoft.com/tus/

and our implementation (if anyone is curious):
http://chaosbound.cnchost.com/

Alfred Perlstein wrote:
> 
> * Zander Collier <zcollier@cncx.com> [000218 16:00] wrote:
> > I am running a server with a 3rd party server app that has upwards of
> > 30 clients connecting to it at a time.  It is supposed to accept up
> > to 127 simultaneously.  In the course of the day and in
> > the use of the server, it is often falling into the state (as listed
> > in top) of sbwait.  This means that while it is in 'sbwait' mode
> > the process is locked up and no one can do anything while connected to
> > it.  It will remain locked like this for upwards of 5 minutes and the
> > shortest lockup was about 30 seconds.  One time it was so long, I
> > killed and restarted the process.
> >
> > I am running FreeBSD 3.4 and the Linux Compatibility libraries.
> 
> Hmm, I rarely move something from -questions to another list, but this
> seems interesting because I remeber some threads about how Linux does
> socket stuff differently than FreeBSD, notably that certain file/socket
> flags aren't passed to accept()'d connections.
> 
> Does this ring a bell with anyone?
> 
> If not the name of the actuall program and possibly an evaluation copy
> for one of people working on emulation would be very helpful.
> 
> -Alfred


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