Date: Sun, 17 Dec 1995 21:37:29 -0500 From: dennis@etinc.com (dennis) To: Wilko Bulte <wilko@yedi.iaf.nl> Cc: hackers@freebsd.org Subject: Re: sio overruns on 2.0.5R Message-ID: <199512180237.VAA20108@etinc.com>
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>> >> >> 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
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