From owner-freebsd-hackers Sun Dec 17 18:18:07 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id SAA22623 for hackers-outgoing; Sun, 17 Dec 1995 18:18:07 -0800 (PST) Received: from etinc.com (et-gw.etinc.com [165.254.13.209]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id SAA22618 for ; Sun, 17 Dec 1995 18:18:05 -0800 (PST) Received: from mail.etinc.com ([204.141.95.140]) by etinc.com (8.6.11/8.6.9) with SMTP id VAA20108; Sun, 17 Dec 1995 21:37:29 -0500 Date: Sun, 17 Dec 1995 21:37:29 -0500 Message-Id: <199512180237.VAA20108@etinc.com> X-Sender: dennis@etinc.com X-Mailer: Windows Eudora Version 2.0.3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: Wilko Bulte From: dennis@etinc.com (dennis) Subject: Re: sio overruns on 2.0.5R Cc: hackers@freebsd.org Sender: owner-hackers@freebsd.org Precedence: bulk >> >> >> 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... >> >> I see 2 potential hogs..... >> >> db > >And those are?? Every card is a "potential" hog. Doesn't have to be much of a hog to cause this problem. db ---------------------------------------------------------------------------- Emerging Technologies, Inc. http://www.etinc.com Synchronous Communications Cards and Routers For Discriminating Tastes. 56k to T1 and beyond. Frame Relay, PPP, HDLC, and X.25