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Date:      Sat, 16 Dec 1995 00:05:04 +0100 (MET)
From:      Wilko Bulte <wilko@yedi.iaf.nl>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        nate@rocky.sri.MT.net, FreeBSD-hackers@FreeBSD.org
Subject:   Re: sio overruns on 2.0.5R
Message-ID:  <199512152305.AAA03205@yedi.iaf.nl>
In-Reply-To: <199512151859.FAA26342@godzilla.zeta.org.au> from "Bruce Evans" at Dec 16, 95 05:59:54 am

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> >> 
> >> sio0: 5 more silo overflows (total 7)
> >> 
> >> The Asus supposedly has 16550A UARTs, of which I use one. 
> >> 
> >> On my previous MB, a 25Mc 486DX
> >> I used an AST/4 with 16550A chips without a single silo overflow.
> >> I also have the impression the UUCP datarate is now slower than
> >> before.
> >> 
> >> This is a 14K4 modem BTW, on a 57600 baud line.
> 
> >I hate to sound like a broken record, but are you *sure* you're using
> >flow-control?  Can you use stty on the connected end to make sure?
> 
> Er, flow control has no effect on silo overflows.
> 
> Perhaps the problem is a downgrade to a bus-hogging DMA controller.
> 
> Bruce

Time for some more data: it is 205R, and two SCSI-1 Micropolis
(1x 300, 1x670 Mb) on an NCR810. And a PCI 928 S3 vga card.

I see no hog here...

Wilko
_     __________________________________________________________________________
 |   / o / /  _   Wilko Bulte             email: wilko@yedi.iaf.nl
 |/|/ / / /( (_)  Private FreeBSD site  - Arnhem - The Netherlands
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