*BSD News Article 76121


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From: Edouard CORREIA <ded@magic.fr>
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: Re: Server problems.
Date: Wed, 14 Aug 1996 14:28:58 +0000
Organization: Magic OnLine
Lines: 45
Message-ID: <Pine.BSI.3.93.960814093341.302D-100000@babel.magic.fr>
Reply-To: Edouard CORREIA <ded@magic.fr>
NNTP-Posting-Host: babel.magic.fr
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
To: "David G. Cannon" <david@emeraldis.com>
In-Reply-To: <199608131959.PAA08814@jade.emeraldis.com>

> Hey! I talked to you before about this same problem. I believe you may have 
> been the one that suspected the "AT&Q5" to be the problem with the "output 
> stalled" messages. Have you tried switching to "&Q6" to see if that fixed the 

I don't since I have to make my connexions reliable with V42bis & MNP5 which
enable &Q5.



> problem? As for the Xem board, the way I alleviated the problem was to use the 
> old firmware for the Xem board. You can do this by editing your digisetup 
> command in the /etc/rc file. This is what you would change it to:
> 
> /usr/sbin/digisetup -l 48 -o /dev/ttyA00
> 
> The "48" is the number of ports you want initialized, you can leave it at 48 
> or change it to 32, it doesn't really matter as long as you have at least as 
> many ports as you want to run. This command will cause the older firmware to 
> be loaded rather than the newer firmware. This was BSDI's recommendation, and 
> they seemed a bit disturbed that we had to do this. I have a feeling that they 
> developed a new firmware driver for the digiboard in BSDI 2.1, and it hasn't 
> been perfected yet. Anyway, I found that using the older firmware did help 
> tremendously, however, I do still see "output stalled" messages occasionally, 
> but nothing like before. I am now wondering if maybe the Xem board can't 
> handle more than 32 ports at 57600. We're running 48 right now. Digi says it 
> will handle 57600 up to 32, but they say the performance will decrease once 
> you add more than 32 ports. I'm now looking at the Comtrol Rocketport which 
> will handle 128 ports at 57600, however, I still want to find out what is 
> causing "output stalled" messages.

Are your connections still working when the "output stalled" occur (I saw it
sometimes).


> Try using the older firmware and see if that helps. I would also appreciate it 
> if you keep me posted on your progress. Thanks!

What changes are performed by the new firmware (can I use the old firmaware
with no problem)?


Thanks.