Date: Fri, 28 Aug 1998 03:11:08 -0400 (EDT) From: A Shaw <ash@research.poc.net> To: questions@FreeBSD.ORG Subject: sio "silo overflows" Message-ID: <Pine.BSF.3.96.980828025818.11654B-100000@ouch.oof.net>
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I'm getting a lot of "silo overflows" on the serial port (sio, 16550A, at 57600bps) I use for my 56k PPP dialup. I found no IRQ conflicts, and both serial ports exhibited the same behavior, so I halved, then quartered, the high "water mark" (RS_IHIGHWATER) in sys/i386/isa/sio.c, to try to give the FIFO "more attention". There has been so significant reduction in the number of overflows. Does anyone have any suggestions? The machine is a 200MHz/256k P6 (Tyan) running 2.2.6-RELEASE. thanks much.. --ash To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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