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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